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WO2007069351A1 - Composition durcissant a froid contenant un adsorbant, objet moule contenant un adsorbant et materiau de construction et produit d'impregnation de dallage contenant tous deux l'adsorbant - Google Patents

Composition durcissant a froid contenant un adsorbant, objet moule contenant un adsorbant et materiau de construction et produit d'impregnation de dallage contenant tous deux l'adsorbant Download PDF

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Publication number
WO2007069351A1
WO2007069351A1 PCT/JP2006/309586 JP2006309586W WO2007069351A1 WO 2007069351 A1 WO2007069351 A1 WO 2007069351A1 JP 2006309586 W JP2006309586 W JP 2006309586W WO 2007069351 A1 WO2007069351 A1 WO 2007069351A1
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Prior art keywords
adsorbent
room temperature
phosphate
building material
magnesium
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Ceased
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PCT/JP2006/309586
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English (en)
Japanese (ja)
Inventor
Takenori Masada
Junji Yamazaki
Masahiko Matsukata
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AZMEC Co Ltd
Waseda University
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AZMEC Co Ltd
Waseda University
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Priority to JP2007550071A priority Critical patent/JPWO2007069351A1/ja
Publication of WO2007069351A1 publication Critical patent/WO2007069351A1/fr
Anticipated expiration legal-status Critical
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/30—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing magnesium cements or similar cements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/041—Oxides or hydroxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/043—Carbonates or bicarbonates, e.g. limestone, dolomite, aragonite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/045—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium containing sulfur, e.g. sulfates, thiosulfates, gypsum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/048—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium containing phosphorus, e.g. phosphates, apatites, hydroxyapatites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/12—Naturally occurring clays or bleaching earth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/16—Alumino-silicates
    • B01J20/18—Synthetic zeolitic molecular sieves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/2803—Sorbents comprising a binder, e.g. for forming aggregated, agglomerated or granulated products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/3007—Moulding, shaping or extruding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/42—Materials comprising a mixture of inorganic materials

Definitions

  • Adsorbent-containing solidified composition at room temperature, molded article containing adsorbent, building material containing adsorbent and pavement injection material
  • the present invention improves the indoor environment, for example, by removing molded articles applied to water purification and gas purification, or by removing malodorous substances and volatile organic compounds (VOC) and adjusting humidity.
  • the present invention relates to a building material applied to water, a water-retaining building material having an effect of suppressing the heat island phenomenon, and a room temperature solidifying composition constituting these.
  • adsorbents such as zeolite-nanoid mouth talcite, alophene, and activated carbon
  • various molding techniques have been proposed for these adsorbents (For example, see Patent Documents 1 and 2).
  • Patent Document 1 Japanese Patent Laid-Open No. 2004-238209
  • Patent Document 2 Japanese Patent Laid-Open No. 2003-3005
  • adsorbents such as zeolite zeolite talcite, alofen, activated carbon and the like are limited in the range of use if they are in powder form.
  • adsorbents such as zeolite zeolite talcite, alofen, activated carbon and the like are limited in the range of use if they are in powder form.
  • it can be suitably used for various environmental improvement applications such as water treatment and gas treatment.
  • these adsorbents have low heat resistance and unstable properties that cause the crystal structure to break in a highly alkaline environment. It was difficult to do.
  • the crystal structure can be kept stable under the conditions of a heat-resistant temperature of about 700 to 800 ° C. and a pH of 3 to L1.
  • Hyde mouth talcite has a temperature at which the crystal structure changes by dehydration is about 200 ° C
  • pH is a stable region of the crystal structure under the condition of 3 to 11.5
  • alofene has a heat resistant temperature of 500 ° C
  • the pH range from 3 to 11 is a stable region of the crystal structure. Therefore, in order to perform molding while maintaining the adsorption characteristics of these adsorbents, it is necessary to establish a technique capable of performing the molding force within the range of the conditions described above.
  • zeolite since zeolite is not self-adhesive to the zeolite itself, it is generally formed into a fired body by adding a binder material.
  • a binder material As this noder material, an organic binder such as carboxymethylcellulose or polybulualcohol is usually used in order to ensure molding strength, and an inorganic material such as silica, alumina, or kaolin is used as the binder material.
  • the kneaded material added with such a binder is dried and then fired. As described above, firing is performed at a temperature of at least about 700 to 800 ° C. or less depending on the heat resistant temperature of zeolite.
  • the present invention has been made in consideration of the above problems, and is used for various environmental improvement applications and industrial applications such as molded articles for water treatment and gas treatment, and building materials having a function of purifying indoor environment. It aims at proposing an adsorbent-containing room temperature solidifying composition that can be used, an adsorbent-containing molded article using the same, an adsorbent-containing building material, and a pavement injection human resource.
  • the adsorbent-containing solidified composition at room temperature according to claim 1 of the present invention is characterized by containing magnesium oxide and an adsorbent.
  • the adsorbent-containing room temperature solidifying composition according to claim 2 of the present invention comprises one or more compounds selected from the group consisting of inorganic sulfuric acid compounds, inorganic carbonic acid compounds and inorganic phosphoric acid compounds. It is characterized by containing.
  • the adsorbent-containing room temperature solidifying composition according to claim 3 of the present invention is the inorganic sulfate solution.
  • the compound is one or more selected from the group consisting of magnesium sulfate, aluminum sulfate, unfired alunite, light-burnt alunite, unfired iron alunite, light-fired iron alunite, and iron sulfate It is characterized by.
  • the inorganic carbonate compound is composed of magnesium carbonate, calcium carbonate, sodium carbonate, potassium carbonate, magnesite, limestone and dolomite. It is characterized by having one or more selected group powers.
  • the inorganic phosphoric acid compound contains monopotassium phosphate, dipotassium phosphate, tripotassium phosphate, potassium pyrophosphate, Potassium polyphosphate, potassium metaphosphate, monocalcium phosphate, dicalcium phosphate, tricalcium phosphate, acidic calcium pyrophosphate, calcium pyrophosphate, monosodium phosphate, disodium phosphate, trisodium phosphate, sodium pyrophosphate, acidic Sodium pyrophosphate, sodium tripolyphosphate, sodium tetrapolyphosphate, sodium pentapolyphosphate, sodium metaphosphate, sodium acid metaphosphate, sodium phosphite, sodium hypophosphite, primary magnesium phosphate, secondary magnesium phosphate , Magnesium triphosphate, Magnesium pyrophosphate, magnesium metaphosphate, primary aluminum phosphate, secondary magnesium phosphate , Magnesium triphosphate, Magnesium pyrophosphate, magnesium metaphosphate
  • the adsorbent is zeolite, alofen, imogolite, layered double hydroxide, activated carbon, charcoal, lignite, lignite, peat. , Bentonite, unburned vermiculite, silica, silica gel, and one or more selected for the group power of alumina.
  • the adsorbent-containing room temperature solidifying composition according to claim 7 of the present invention is characterized by containing plastic clay.
  • the adsorbent-containing room temperature solidifying composition according to claim 8 of the present invention is the plastic clay strength Kibushi clay, Sasame clay, shale clay, kaolin, rhosite, bentonite, acid clay, sepiolite. And group power consisting of attapulgite and one or more types selected.
  • the adsorbent-containing room temperature solidifying composition according to claim 9 of the present invention comprises water glass, potash water glass, lithium water glass, silica sol, sodium silicate, potassium silicate, lithium silicate, or silica fume. It is characterized by adding ⁇ 5.0 mass%.
  • the adsorbent-containing room-temperature solidifying composition according to claim 10 of the present invention is a lightweight aggregate, a fly ash balloon, a shirasu balloon, and a group force including an aluminum powder force.
  • the adsorbent-containing room temperature solidified composition according to claim 11 of the present invention is characterized in that it has an action of buffering pH to 11.5 or less.
  • the adsorbent-containing room temperature solidified composition according to claim 12 of the present invention is characterized in that the adsorbent content is 50 to 95% by mass.
  • the adsorbent-containing molded article according to claim 13 of the present invention is solidified without firing the adsorbent-containing room temperature solidified composition according to any one of claims 1 to 12. This is a characteristic of this.
  • the adsorbent-containing molded article according to claim 14 of the present invention is characterized in that the surface portion is coated with a photocatalyst.
  • the adsorbent-containing molded article according to claim 15 of the present invention has a porosity of 30% or more.
  • the bending strength is 0.5 MPa or more.
  • the adsorbent-containing building material according to claim 16 of the present invention is that the adsorbent-containing room-temperature solidifying composition according to any one of claims 1 to 12 is solidified without firing. It is supposed to be a feature.
  • the adsorbent-containing building material according to claim 17 of the present invention is characterized in that it contains plant fibers, chemical fibers or inorganic fibers.
  • the adsorbent-containing building material according to claim 18 of the present invention is a painted wall material, a tile-shaped building material, or a panel-shaped building material.
  • the adsorbent-containing building material according to claim 19 of the present invention is characterized in that the porosity is 30% or more and the bending strength is IMPa or more.
  • the adsorbent-containing building material according to claim 20 of the present invention is characterized in that the surface portion is coated with a photocatalyst.
  • the pavement injecting material according to claim 21 of the present invention is characterized in that it is composed of the adsorbent-containing room temperature solidifying composition according to any one of claims 1 to 12. It is.
  • the adsorbent-containing room temperature solidifying composition of the present invention even if the adsorbent has low heat resistance and alkali resistance and easily breaks the crystal structure, it can be solidified without impairing the adsorption characteristics of the adsorbent. Therefore, it can be suitably used as a molded article having an appropriate strength and water resistance that is molded into a desired shape and size and used for water treatment and gas treatment.
  • the adsorbent-containing molded article of the present invention since it has appropriate strength and water resistance and can contain the adsorbent without impairing the adsorption characteristics, water treatment, gas treatment, etc. It can be suitably used as a molded article to be used for, and can be used for various environmental improvement applications and industrial applications.
  • the adsorbent-containing room temperature solidifying composition of the present invention the adsorbent adsorption performance, the painted wall that retains the hygroscopicity, the tile-panel-like room temperature solidified building material, and the water retention property that has a heat island suppressing effect. It can also be used for building materials and pavement injection materials.
  • VOC volatile organic compounds
  • the surface portion is coated with a photocatalyst, so that deodorization and VOC removal ability can be regenerated by the oxidative decomposition ability of the photocatalyst.
  • the adsorption property of the adsorbent can be maintained for a long time.
  • the adsorbent-containing building material of the present invention containing waste-synthesized zeolite, such as natural zeolite or coal ash has high hydrophilicity and water absorption, and therefore has water retention effects that suppress the urban heat island phenomenon. It can be used as a property building material.
  • the adsorbent-containing composition of the present invention solidifies at room temperature and exhibits high strength, and also has extremely high water retention performance, it is combined with an open-graded asphalt as a pavement injection material. If used, a pavement with excellent water retention can be constructed.
  • the adsorbent-containing composition of the present invention can also be used as a countermeasure technique for the heat island problem in urban areas.
  • fertilizer retention and water absorption of adsorbents such as zeolite, alofen (kanuma earth), lignite, lignite, peat, etc., synthesized from waste such as natural zeolite and coal ash, can be used for horticultural materials, sand It can be used as a veneering material such as a veneering material, a green roofing material in the form of a granule, a green roofing material in the form of a panel, a wall surface greening material, etc.
  • the adsorbent-containing room temperature solidifying composition of the present invention can form a molded article, a building material, and an injecting material for pavement containing an adsorbent without firing. It is also effective as a carbon dioxide emission control technology. In addition, cost savings such as equipment operating costs can be achieved with energy saving.
  • FIG. 1 is a graph showing the results of an amorphous ion removal test.
  • the first adsorbent-containing room temperature solidifying composition of the present invention is composed of magnesium oxide and an adsorbent.
  • the second adsorbent-containing solidified composition at room temperature is an inorganic sulfate compound, an inorganic carbonate compound, and an inorganic phosphoric acid compound.
  • One or more compounds selected hereinafter, this is selected) A compound
  • magnesium oxide, and an adsorbent are blended at a predetermined ratio and kneaded to obtain an adsorbent-containing room temperature solidified composition in a uniform mixture.
  • the acid magnesium acid magnesium obtained by lightly burning natural minerals such as magnesite (magnesium carbonate) and brucite (hydroxide magnesium) and magnesium carbonate produced by seawater are used. It is possible to apply acid magnesium oxide having a different particle size or porosity such as acid magnesium obtained by light baking. Firing of magnesium oxide with magnesium (magnesium carbonate), for example, 600-900 ° C, and brucite (magnesium hydroxide) with light firing at, for example, 300-900 ° C, yielding highly active magnesium oxide. be able to.
  • the inorganic sulfate compound is selected from the group consisting of magnesium sulfate, aluminum sulfate, unfired alunite, lightly burned alunite, unfired iron alunite, lightly burned iron alunite, iron sulfate, and the like. One or more can be applied.
  • the inorganic carbonate compound is selected from industrial products such as magnesium carbonate, calcium carbonate, sodium carbonate, potassium carbonate, and natural minerals such as magnesite, limestone, or dolomite. Species or two or more can be applied.
  • the fired and crushed shell is mainly composed of magnesium carbonate and can be used in the same manner as limestone.
  • the inorganic phosphate compound includes monopotassium phosphate, dipotassium phosphate, tripotassium phosphate, potassium potassium phosphate, potassium tripolyphosphate, potassium metaphosphate, monocalcium phosphate, diphosphoric acid phosphate.
  • Calcium tricalcium phosphate, acidic calcium pyrophosphate, calcium pyrophosphate, monosodium phosphate, disodium phosphate, trisodium phosphate, sodium pyrophosphate, sodium acid pyrophosphate, sodium tripolyphosphate, sodium tetrapolyphosphate, pentaborin Sodium phosphate, sodium metaphosphate, acidic sodium metaphosphate, sodium phosphite, sodium hypophosphite, primary magnesium phosphate, secondary magnesium phosphate, magnesium tertiary phosphate, magnesium pyrophosphate, magnesium metaphosphate, First Aluminum phosphate, secondary aluminum phosphate, tertiary aluminum phosphate, Ru can be applied aluminum metaphosphate, and one or two or more selected natural mineral is a heavy over-stone force group consisting force.
  • natural zeolite such as clinoptite light and mordenite
  • synthetic zeolite A, X, Y type zeolite
  • high silica zeolite zeolite synthesized from waste materials such as coal ash, for example, Layered double hydroxide (LDH), imogolite, alofen, activated charcoal, charcoal, lignite, lignite, peat, bentonite, unburned vermiculite, silica, silica gel, and alumina are also anion exchangers such as hydrtalcite.
  • anion exchangers such as hydrtalcite.
  • One type or two or more types can also be applied.
  • the adsorbent-containing room temperature solidifying composition may be mixed with plastic clay as a binder material as appropriate according to the selected compound, magnesium oxide, and adsorbent. This plastic clay has the advantages of improving the plasticity of the adsorbent-containing room-temperature solidifying composition, improving the molding strength and porosity, and also having a pH buffering effect.
  • plastic clay one or more selected from the group power consisting of Kibushi clay, Sasame clay, Shale clay, Kaolin, Noh, Leucite, Bentonite, acid clay, sepiolite and attapulgite can be applied. .
  • the obtained adsorbent-containing room temperature solidifying composition is prepared by adding water and a retarder at a predetermined ratio and kneading, then molding by an appropriate molding method, and further curing. It can be solidified at room temperature to become a molded product or building material having a desired shape or size (that is, an adsorbent-containing molded product or an adsorbent-containing building material).
  • a retarder for adjusting the time required for solidification various known retarders such as succinic acid, polysaccharides, sodium hydrogen carbonate and concrete retarders can be applied.
  • the adsorbent-containing composition of the present invention if the composition contains magnesium oxide and an adsorbent, the adsorbent is obtained by carbonic acid due to hydration of acid magnesium and contact with the outside air. It can be solidified at normal temperature. By further adding one or more compounds selected from the group consisting of inorganic sulfate compounds, inorganic carbonate compounds and inorganic phosphate compounds to this composition, the solidification strength can be improved, In addition, new effects such as enabling pH control as shown below can be provided.
  • plastic clays selected from the group power consisting of Kibushi clay, Sasame clay, Shale clay, Kaolin, Noh, Leucite, Bentonite, Acid clay, Sepiolite and Hutanorgite are included in these compositions. Addition of 0.1 to 5.0% by mass of water glass, potash water glass, lithium water glass, silica sol, sodium silicate, potassium silicate, lithium silicate, or silica fume. As a result, the strength can be increased and the water resistance and the like can be improved.
  • the adsorbent-containing room temperature solidifying composition of the present invention is a hydrogen carbonate compound produced by contacting magnesium sulfate compound, phosphate compound, carbonate compound and air resulting from the chemical reaction of the mixed composition, that is, carbonic acid salt.
  • PH11 Molding is possible under the following low alkali conditions.
  • metal ions such as Na contained in the zeolite elute into the slurry due to the ion exchange action, resulting in a high pH.
  • the pH should be adjusted to 11.5 or less in the short term, more preferably 11 or less, depending on the pH stability conditions on the alkali side of zeolite.
  • the pH can be buffered by adding plastic clay or a pH buffering agent.
  • inorganic acids such as sulfuric acid, hydrochloric acid, and nitric acid can be used as pH buffering agents.
  • ferrous sulfate, ferric sulfate, which are acidic sulfuric compounds and contribute to curing The use of aluminum sulfate and magnesium sulfate is preferred.
  • magnesium ions and ions such as Na eluted by ion exchange are fixed by the progress of the solidification reaction and carbonic acid so that the pH tends to decrease.
  • the pH buffer in the zeolite molding can be adjusted by the blending ratio of magnesium oxide to a sulfate compound, a carbonate compound and a phosphate compound.
  • the pH can be lowered by reducing the blending ratio of magnesium oxide and further preventing the formation of high pH by previously converting the zeolite to be molded into Ca type or Mg type. Can do.
  • this adsorbent-containing room temperature solidified composition are greatly influenced by the surface properties of the adsorbent to be blended, and the strength, porosity, curing time, and the like change in a complicated manner.
  • the adsorbent is alophen, zeolite, or hyde mouth talcite, the strength of the molded body, Since the curing time, porosity, water resistance, and the like are completely different, it is necessary to appropriately adjust the composition serving as a binder according to the type of adsorbent to be blended.
  • a water resistance improving agent is added to the adsorbent-containing room temperature solidifying composition.
  • Pressurized Suruga as the water resistance improving agent, sodium silicate, potassium silicate, 0.1 to 5 silica sol is lithium silicate also. 0 wt 0/0 is preferred instrument particularly adding 0.2 to 2.0 it is more preferable to mass 0/0 added Caro.
  • a silane coupling agent such as methyltriethoxysilane can also be used as a water resistance improving agent.
  • inorganic sulfate compound, inorganic carbonic acid compound and inorganic phosphate compound Power group strength
  • One or two or more selected compounds, magnesium oxide, and adsorbent are blended at a predetermined ratio.
  • Adsorbent-containing molding that is firm and water-resistant without firing at room temperature and under low alkaline conditions by adding a predetermined amount of water and a retarder to the adsorbent-containing room temperature solidified composition and kneading.
  • the body can be formed.
  • the adsorbent-containing molded article of the present invention is solidified at room temperature and under low alkali conditions without firing, so that the crystal structure is easily broken due to low heat resistance and alkali resistance. Even so, it can be molded while maintaining this crystal structure.
  • the adsorbent-containing molded article of the present invention does not impair the properties of each adsorbent and has appropriate strength, porosity, water resistance, and molding processability, it is molded into a desired shape and size and treated with water. It can be used as an adsorbent, gas treating agent, deodorant, humidity control agent, desiccant, adsorbent used as an industrial process such as air separation or hydrocarbon mixture separation, or soil 'groundwater purification agent.
  • adsorbent-containing compacts containing zeolite gallofen (kanuma earth), lignite, lignite, peat, etc., to which the present invention is applied are used as horticultural materials utilizing fertilizer, water retention, desert greening materials, rooftops. It can be used as a greening material.
  • the adsorbent-containing molded article of the present invention is preferably manufactured using a known molding technique such as an extrusion molding method, a rolling granulation method, a roll press molding method, a swallow molding method, or spray drying. I can. Furthermore, for applications that require low-cost production of agricultural materials, horticultural materials, etc., for example, a block with a size of several tens of centimeters to 1 meter is manufactured, and this is cured and solidified, and then crushed to adjust the particle size. It is possible to obtain a granular material at a low cost by this method.
  • Lightweight aggregate is natural lightweight aggregate, artificial artificial lightweight aggregate, non-structural artificial aggregate Classified as lightweight aggregate.
  • Lightweight structural aggregate «Standards are defined in JIS A 5002, among which natural lightweight aggregates such as expansive shale, expanded clay, expanded slate, and fired fly ash are used as artificial lightweight aggregates.
  • Volcanic gravel and its processed products and by-product lightweight aggregates are defined as by-product lightweight aggregates such as expanded slag and coal husk and processed products.
  • JIS A 5007 there are pearlite specified in JIS A 5007 and vermiculite specified in JIS A 5009 as non-structural lightweight aggregates.
  • fly ash nolane, shirasu balloon, etc. can also be used as lightweight materials.
  • a foam using the generation of hydrogen gas can be formed, and a lightweight molded body or building material panel can be formed. It is also possible to use a combination of two or more of these light-weight mixtures.
  • Applications that require light weight include, for example, granular or panel rooftop greening materials and wall greening materials.
  • the adsorbent-containing room-temperature solidifying composition of the present invention can be used as a water treatment agent or a gas treatment agent after being molded by the molding method described above.
  • a cationic water treatment agent such as lead or cadmium
  • a molded product containing zeolite or the like as an adsorbent can be used.
  • Anionic water treatment agents such as arsenic and hexavalent chromium include molded products containing layered double hydroxides, alophene, imogolite, lignite, lignite, etc. as adsorbents, and two or more of these adsorbents.
  • a mixed molded body can be used.
  • an organic water treatment agent such as VOC
  • a molded product containing activated carbon, charcoal or the like as an adsorbent can be used, and two or more of these adsorbents may be mixed.
  • the said water treatment agent can be used suitably for uses, such as a waste water treatment and soil's groundwater purification, for example.
  • the molded body of the adsorbent-containing room temperature solidifying composition of the present invention can be used for air and gas purification and deodorization.
  • molded products containing hydrophilic zeolite or silica gel to remove moisture in the gas and zeolite, activated carbon, charcoal, lignite, lignite, peat, alophen, unburned vermiculite to remove organic matter such as deodorization and VOC. It is effective to use a molded body containing urelite or the like.
  • the adsorbent-containing room temperature solidifying composition of the present invention can be used not only for molded products but also for painted walls, tile-panel-like non-fired building materials, and the like. That is, this adsorbent-containing room temperature solidifying composition can be used as an adsorbent-containing building material by forming it into various building materials such as wall materials and ceiling materials, or by applying it to existing building materials.
  • Adsorbent-containing building materials are used to control the humidity in the room by the action of adsorbents useful for environmental purification, such as hydrated talcite, zeolite, activated carbon, charcoal, allophane imogolite, and unburned vermiculite. , Deodorization and VOC removal.
  • hydrophilic zeolite such as natural zeolite and coal ash synthetic zeolite is effective.
  • adsorbents such as natural zeolite, alofen, hydrophobized zeolite, unburned vermiculite, activated carbon and charcoal are effective.
  • Such an adsorbent-containing building material is required to have a material strength of IMPa or more, preferably 2 MPa or more corresponding to the bending strength of concrete.
  • a tile panel having an appropriate material strength by adding water to the adsorbent-containing room temperature solidifying composition of the present invention and performing molding processing by wet and dry press molding, vibration press molding, vacuum extrusion molding, squeeze molding, etc.
  • a building material (such as a wall material or a ceiling material) can be obtained.
  • the time until solidification can be appropriately adjusted by mixing a retarder or the like, so that free molding can be easily performed.
  • a photocatalyst such as titanium oxide or visible light titanium is applied to the surface, and the surface is coated with the photocatalyst
  • this ability to decompose acid and sour can regenerate the deodorization and VOC removal capabilities, and can maintain the adsorption properties of the adsorbent for a long time.
  • these coating methods may be according to known methods.
  • the coating of titanium oxide titanium may be performed by spraying a predetermined amount of a titanium oxide coating agent sold on the market with a spray and performing natural drying.
  • the photocatalyst can be applied to the molded body by dating or spraying.
  • the adsorbent-containing molded body and the adsorbent-containing building material using the adsorbent-containing room temperature solidifying composition of the present invention require curing for about one week before being cured.
  • This curing method is It is necessary to prevent low temperature of 5 ° C or less and rapid drying as in the case of chewing.
  • curing can be accelerated in a short time by applying a known curing method such as autoclave or steam curing, or carbon dioxide curing.
  • the adsorbent-containing room temperature solidifying composition of the present invention can also be suitably used as an injecting material for water-retaining asphalt pavement having a heat island suppressing effect.
  • Water-retaining water pavement is constructed by combining an open-graded asphalt with a porosity of approximately 10 to 40% and an adsorbent-containing room-temperature solidifying composition that has a water retention function as an injecting material for pavement.
  • the adsorbent-containing room temperature solidified composition of the present invention for example, by containing zeolite, vermiculite, pearlite, etc., a high-strength and highly water-retained room-temperature solidified body can be formed, and it is made into a slurry and filled in an open particle size asphalt By doing so, it is possible to construct a high-performance water-retaining asphalt pavement with excellent water retention.
  • the room temperature solidifying composition containing an adsorbent improves water retention in various types of pavements such as urban parking lots, cycling roads, park squares, walking paths, etc.
  • the increase in road surface temperature can be suppressed, and the heat island phenomenon can be suppressed by force.
  • the zeolite used here is preferably natural zeolite such as clinoptite or mordenite, or zeolite synthesized with waste power such as coal ash.
  • waste power such as coal ash.
  • the present invention is an application of room temperature solidification technology, and can form a molded body containing an adsorbent and a building material for improving the indoor environment without firing, thereby saving energy and suppressing carbon dioxide emission. It is also effective as a technology. In addition, it is possible to reduce the cost of equipment operation costs with energy saving.
  • the adsorbent-containing room temperature solidified composition of the present invention has a desired shape that does not impair the properties of the adsorbent even if the adsorbent has low heat resistance and low alkali resistance. It can be processed into various sizes and sizes to give appropriate strength and water resistance, and it can be used for various environmental improvement and industrial applications such as molded products for water treatment, gas treatment, etc., and building materials with indoor environment purification functions. Can be used.
  • the adsorbent-containing molded article of the present invention has moderate strength and water resistance, and has crystallinity. Since the adsorbent could be contained without breaking the structure, industrial processes such as molded products for water treatment and gas treatment, deodorizers, humidity control agents, desiccants, air separation and separation of hydrocarbon mixtures It can be used for various environmental improvement applications such as adsorbents, soil * groundwater purification agents, and industrial applications.
  • the adsorbent-containing building material of the present invention it is possible to reliably remove malodorous substances such as VOC and ammonia that cause sick house syndrome depending on the characteristics of the adsorbent, and to control the humidity in the room. It is possible to improve the environment of the indoor living space easily.
  • the adsorbent-containing building material of the present invention containing natural zeolite, zeolite synthesized from coal ash, etc. can be used as a water-retaining building material tile or panel that exhibits a heat island suppression effect. it can.
  • This adsorbent-containing building material is installed, for example, on the wall of a structure or on the roof of a building. Zeolite strongly adsorbs water and has a high water retention property, and the surrounding temperature is increased by the latent heat associated with water vaporization. Can be reduced.
  • the adsorbent-containing molded article and the adsorbent-containing building material of the present invention are a roofing greening, wall greening building material panel, granular horticultural material, rooftop greening material utilizing the water retention and fertilization properties of the adsorbent, It can be used as desert green. If these light weights are required, the above-mentioned light aggregate, fly ash balloon, shirasu nolane, aluminum powder, etc. may be mixed.
  • the adsorbent-containing room temperature solidified composition of the present invention includes, for example, oxides of transition metals such as chromium, manganese, cobalt, nickel, antimony oxide, bengara (iron oxide), cupric oxide and the like.
  • a colorant may be added within a range that does not impair properties such as porosity, plasticity, and strength.
  • the adsorbent-containing room-temperature solidifying composition must efficiently remove harmful substances to a low concentration level in addition to the above-mentioned horticultural materials, desert greening materials, rooftop greening materials, building materials, etc. It can be used for various environmental technologies and industrial applications.
  • the strength of the solidifying agent component obtained by combining magnesium oxide with an inorganic sulfate compound, an inorganic carbonate compound, an inorganic phosphate compound, or water glass will be verified.
  • a selected predetermined composition powder was added at a predetermined ratio (Table) using acid magnesium as shown in Table 1, an inorganic sulfate compound, an inorganic carbonate compound, and an inorganic phosphate compound.
  • the composition blended in (mass% in the middle) was used.
  • each composition powder shown in Table 1 was kneaded in a pot mill for 1 hour, and water, a retarder, and water glass having a water content shown in Table 1 were added thereto. After sufficiently kneading with a spatula, this was filled into an acrylic mold to obtain a molded body (sample) having a height of 10 mm, a width of 10 mm, and a length of 70 mm. Furthermore, this molded body was cured at room temperature for 1 week in a sealed container, dried indoors, and then the bending strength was measured by the following method.
  • the bending strength measurement results are also shown in Table 1. Since the bending strength of concrete is 2 to 3 MPa, it can be seen that, as shown in Table 1, these compositions are compositions that exhibit appropriate strength at room temperature.
  • acid magnesium can be solidified by hydration to carbonic acid alone, and strength can be improved by mixing inorganic sulfuric acid compound, inorganic carbonic acid compound, inorganic phosphoric acid compound, water glass, etc. I was able to.
  • the strength of these compositions varies depending on the blending ratio of the mixture of magnesium oxide and inorganic sulfuric acid compound, inorganic carbonic acid compound, inorganic phosphoric acid compound, or water glass, as shown in Examples 1 to 21 described later.
  • the formulation should be determined appropriately according to the type of adsorbent to be molded and the required pH.
  • magnesium oxide 1 is manufactured by Kamishima Chemical Industry Co., Ltd. (MgO: 97.5%, CaO: 0.7%, C1: 0.10%, Fe2O3'A12O3: 0.06%, average particle size 3
  • the magnesium oxide 2 the light-burned magnesia from Magai Kosei Kogyo Co., Ltd. (MgO: 92.4%, CaO: 2.1%, Cl: 2.0%, Fe2O3: 0.6%, A12O3: 0.2%, 325 mesh passing 95%)
  • Water glass No. 3 was manufactured by Fuji Chemical Co., Ltd. 3 ⁇ 4iIS K1408, and magnesium carbonate was manufactured by Kamishima Chemical Industry Co., Ltd.
  • Magnesium monophosphate is manufactured by Taihei Chemical Industry Co., Ltd. (content 95% or more)
  • Magnesium sulfate and aluminum sulfate-umquenoic acid were respectively used reagents manufactured by Kanto Chemical Co., Ltd.
  • Examples 1 to 11 shown in Table 2
  • An adsorbent-containing room temperature solidified composition was used, which was blended at a predetermined ratio (mass% in the table).
  • each yarn and composite powder shown in Table 2 was kneaded in a pot mill for 1 hour to produce an adsorbent-containing room temperature solidified composition, and this adsorbent-containing room temperature solidified composition.
  • a predetermined amount of water and a retarder were added to the product and kneaded thoroughly with a spatula, which was then filled into an acrylic mold to obtain a molded body (sample) having a height of 10 mm, a width of 10 mm, and a length of 70 mm.
  • magnesium oxide 1 manufactured by Kamishima Chemical Co., Ltd. (MgO: 97.5%, CaO: 0.7%, C1: 0.10%, Fe203-A1203: 0.06%, average particle size 3.5 m) was used.
  • Magnesium oxide 2 is made by Magai Kasei Kogyo Co., Ltd., light burned magnesium T (MgO: 92.4%, CaO: 2.1%, CI: 2.0%, Fe2O3: 0.6%, A12O3: 0.2% , 325 mesh passing 95%).
  • Magnesium sulfate and monocalcium phosphate 1 are reagents manufactured by Kanto Chemical Co., Ltd., and agarite is manufactured by Tokai Kogyo Co., Ltd. (Si02: 57.4%, A1203: 12.1%, Fe2O3 : 0.4%, S03: ll. 1%, K20: 1.6%, Na2O: 0.8%, CaO: 0.3%, fineness 3000 brain).
  • the light burned alunite used was obtained by firing this alunite at 600 ° C.
  • sodium tripolyphosphate a reagent manufactured by Kanto Chemical Co., Ltd. is used, as a super-retarding agent, Pozzolith No. 89 manufactured by Pozoris Co., Ltd., and as kenic acid, Kanto Chemical Co., Ltd. Chenic acid monohydrate manufactured by the company was used.
  • Magnesium carbonate is manufactured by Kanjima Chemical Co., Ltd. (MgO: 41.5%, CaO: 0.7%, SO3: 0.32%, C1: 0.10%, Fe2O3-A12O3: 0.03%, average particle size 6.0 ⁇ m), water glass No. 3 as Fuji Chemical Co., Ltd. 3 ⁇ 4iIS K1408, lithium water glass as LSS-75 manufactured by Nissan Chemical Industries, and ferric sulfate as manufactured by Jujo Synthetic Chemical Laboratories Co., Ltd. 41.49% solution), and Sakaime clay with a maximum particle size of 5 ⁇ m or less made by Maruko Ceramics Co., Ltd. was used.
  • artificial Zeolite 1 is Na type manufactured by Maeda Construction Industry Co., Ltd.
  • artificial Zeolite 2 is Securus Na neutral type manufactured by Chubu Electric Power Co., Ltd.
  • alofen is Segard P1 from Shinagawa Kasei Co., Ltd.
  • the product name Iwamilite (particle size 250 mesh or less) manufactured by Mitsui Mineral Resources Development Co., Ltd. is used as the clinoptite light
  • the white powder C (average particle size 71 ⁇ m) manufactured by Nihon Enviguchi Chemicals Co., Ltd.
  • the product name HISIV3000 manufactured by Union Showa Co., Ltd. was used as the silica gel.
  • Hyde mouth talcite is nitric acid type Hyde mouth talcite synthesized by the method described in International Publication No. WO2005Z087 664 A1.
  • Porosity ⁇ (W 3 -WJ / (W 3 -w 2 ) ⁇ X 1 0 0
  • Example 11 the force generated by the insufficient water resistance was Example 4 in which 1% by mass of lithium water glass was added to the sample of Example 11 and Example 11 On the other hand, in Example 5 in which 1% by mass of water glass No. 3 was added, an improvement in water resistance was observed.
  • Example 3 in which 4.6% by mass of alunite was added to the sample of Example 11 and Example in which 1% by mass of ferric sulfate was added to the sample of Example 11 6 and 6 showed improvement in water resistance.
  • the measurement result of the specific surface area of the molded body obtained in Example 9 was 332 m2Z g.
  • the high silica zeolite used has a powder specific surface area of 430 m2 / g, and the adsorbent-containing molded product contains 70% by mass, so the specific surface area does not decrease. It was confirmed that molding was performed while maintaining the hole structure.
  • Example 10 powdered activated carbon was used as the adsorbent. However, even in this case, it was confirmed that appropriate strength and water resistance that do not impair the adsorption characteristics of the powdered activated carbon can be imparted. did it.
  • each of the adsorbent-containing room temperature solidifying compositions of Examples 1 to 11 it was found that the adsorbent can be processed into a desired shape and size without impairing the adsorbent characteristics and given appropriate strength. It was. Further, according to each adsorbent-containing room temperature solidified composition of Examples 1 to 10, it was possible to further impart water resistance.
  • the acid ⁇ magnesium 2 the Chinese light burned magnesia (MgO: 92.4%, CaO: 2.1%, Cl: 2.0%, manufactured by Maui Kosei Kogyo Co., Ltd.) Fe2O3: 0.6%, A12O3: 0.2%, 325 mesh 95%) and monocalcium phosphate 2 manufactured by Taihei Sogaku Sangyo Co., Ltd. (content 95% or more), primary phosphoric acid
  • a reagent manufactured by Taihei Sogaku Sangyo Co., Ltd. content of 95% or more was used.
  • sepiolite Milcon G manufactured by Showa Mining Co., Ltd. was used.
  • Aluminum sulfate, calcium carbonate, and sodium carbonate are reagents manufactured by Kanto Chemical Co., Ltd., and leucite clay is New Zealand kaolin made by Maruko Ceramics Co., Ltd.
  • artificial zeolite is Na type manufactured by Maeda Construction Industry Co., Ltd.
  • the artificial zeolite 2 a Cyculous Na type neutral type manufactured by Chubu Electric Power Co., Ltd. was used, and as the artificial zeolite 3, a Ca type manufactured by Maeda Construction Industry Co., Ltd. was used.
  • Examples 12 to 21 and Comparative Example 1 an adsorbent-containing normal-temperature solidified composition was produced using the composition powder shown in Table 4, and a predetermined amount of water and A retarder was added and premixed with a mixer MHS-100 manufactured by Kashiwazaki Tekko Co., Ltd. A molded body (sample) having a width of 10 mm and a length of 70 to 100 mm was obtained.
  • Example 16 in which aluminum sulfate was added as a pH buffer to Comparative Example 1, the maximum pH was 10.7, and in Example 17 using artificial zeolite 3 that had been Ca-type converted in advance, PH was The pH was 10.3 or less, and the PH could be controlled to 11 or less, which was the target value. Molding was possible without damaging zeolite.
  • the molding strength is increased by adding a small amount of water glass.
  • the water absorption of the adsorbent-containing molded body of Example 19 is 44.5%
  • the water absorption of the adsorbent-containing molded body of Example 20 is 28.5%
  • the volume standard water absorption is 49%, respectively. It can be seen that it has an extremely high water absorption characteristic of 41%.
  • the water absorption was calculated using W1 and W3 measured in the porosity measurement method and the following equation 4.
  • the volume standard water absorption was calculated by multiplying the water absorption (%) by the bulk specific gravity.
  • Example 15 a harmful ion adsorption test was conducted using the samples of Example 14 and Example 15.
  • the sample of Example 14 ( ⁇ 3 mm pellet shaped product 50 g) was added to 500 ml of a NH 4 ion concentration 200 ppm solution, stirred with a magnetic stirrer, filtered through filter paper, and the residual NH 4 solution
  • the ion concentration was measured with ICP (Inductively Coupled Plasma).
  • ICP Inductively Coupled Plasma
  • Example 15 [0128]
  • the sample of Example 15 ( ⁇ 3mm pellet-shaped molded body 3g) was added to 100ml of a solution adjusted to a fluorine concentration of lOOppm, stirred for 1 hour with a magnetic stirrer, filtered through filter paper, and the solution remaining.
  • the fluorine concentration was measured by ICP, the residual fluorine concentration was lOppm.
  • XRD X-ray diffractometer
  • the molded article of the present invention has an excellent strength and water resistance, exhibits excellent harmful ion removal performance, and is suitable as a water treatment agent. It could be confirmed.
  • the adsorbent-containing room temperature solidifying compositions of Examples 12 to 21 the adsorbent can be processed into a desired shape and size without impairing the adsorption characteristics of the adsorbent, and can be provided with appropriate strength and water resistance. I was divided.
  • Example 22 the composition powder shown in Table 6 was used to produce an adsorbent-containing room temperature solidified composition, and a predetermined amount of water was added thereto to add to the mixer MHS-100 manufactured by Amagasaki Tekko Co., Ltd. Premixed, and using a kneading vacuum extrusion machine FM-P30 manufactured by Kashiwazaki Tekko Co., Ltd., using a 10 mm high, 10 mm wide, 70 mm long: LOOmm open body (sample )
  • the pearlite in Examples 22 and 23 was made by Mitsui Kinzoku Co., Ltd. (grain size 250 mesh under), and the lignite in Examples 23 and 24 was made by Nippo Mining Co., Ltd. (particle size 0.5 mm under). ) was used.
  • Example 22 24 was cured in a sealed heat-retaining container for 1 week in a wet state, dried, and then each sample as shown in Table 7 below. The bending strength, bulk specific gravity, volume standard water absorption, and water resistance were measured.
  • Example 24 the present invention was applied and formed by containing 70% by mass of lignite.
  • lignite and lignite have fertilizers and are said to have good properties as soil conditioners and horticultural materials.
  • lignite and lignite contain humic acid and are said to have a high deodorizing effect and an adsorption effect of hexavalent chromium. Therefore, Examples 23 and 24 containing lignite have excellent characteristics as a molded article for water treatment and gas treatment with excellent deodorizing effect and adsorption effect, and excellent in water retention and fertilizer retention. It has good characteristics as a soil improvement material and horticultural material.
  • Examples 22 and 23 30-40% pearlite was mixed with the adsorbent-containing composition of the present invention to achieve light weight.
  • Examples 22 and 23 as is clear from Table 7, high-performance molded articles having low bulk specific gravity and volume standard water absorption exceeding 50% were obtained. Therefore, Examples 22 and 23 can be suitably used as, for example, a rooftop greenery material.
  • clinoptite light naturally zeolite
  • perlite bar
  • the composition containing ⁇ Miquilite '' can be used to construct pavements with water retention (water retention pavement) because of its high strength and high water absorption rate. The fact that it is suitable as an injecting material for pavement suggests that it is a component.

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Abstract

La présente invention concerne une composition durcissant à froid contenant un adsorbant qui permet à un adsorbant à faible résistance à la chaleur, aux acides et aux bases d'être étroitement retenu dans une masse solide et moulé et utilisé dans diverses applications industrielles et favorables à l'environnement et; un objet moulé contenant l'adsorbant; et un matériau de construction et un produit d'imprégnation pour dallage contenant tous les deux un adsorbant. La composition durcissant à froid contenant un adsorbant comprend: un ou plusieurs composés sélectionnés parmi le groupe constitué par des composés inorganiques d'acide sulfurique, des composés inorganiques d'acide carbonique et des composés inorganiques d'acide phosphorique; l'oxyde de magnésium; et un adsorbant. Même lorsque l'adsorbant présente une faible résistance à la chaleur, aux acides et aux bases, la composition peut être transformée pour assurer une forme et une taille souhaitées et être conçue de façon à avoir une résistance modérée et une résistance à l'eau sans altérer l'adsorptivité. La composition peut être utilisée dans diverses applications industrielles et favorables à l'environnement et, telles qu'un objet moulé pour un traitement de l'eau ou un traitement du gaz, un matériau de construction ayant la fonction de nettoyer un environnement intérieur, un matériau de construction de rétention d'eau et un produit d'imprégnation de dallage.
PCT/JP2006/309586 2005-12-14 2006-05-12 Composition durcissant a froid contenant un adsorbant, objet moule contenant un adsorbant et materiau de construction et produit d'impregnation de dallage contenant tous deux l'adsorbant Ceased WO2007069351A1 (fr)

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