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WO2014107032A1 - Composition pour panneau poreux de régulation de l'humidité réutilisant la boue issue de la purification de l'eau, et procédé de fabrication dudit panneau poreux de régulation de l'humidité l'utilisant - Google Patents

Composition pour panneau poreux de régulation de l'humidité réutilisant la boue issue de la purification de l'eau, et procédé de fabrication dudit panneau poreux de régulation de l'humidité l'utilisant Download PDF

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Publication number
WO2014107032A1
WO2014107032A1 PCT/KR2014/000017 KR2014000017W WO2014107032A1 WO 2014107032 A1 WO2014107032 A1 WO 2014107032A1 KR 2014000017 W KR2014000017 W KR 2014000017W WO 2014107032 A1 WO2014107032 A1 WO 2014107032A1
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Prior art keywords
weight
powder
parts
composition
sludge
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Ceased
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PCT/KR2014/000017
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Korean (ko)
Inventor
김유진
이성민
김형태
박용철
강신재
이규현
손용경
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NEXT WEEK CO LTD
SEOUL METROPOLITAN GOVERNMENT
Korea Institute of Ceramic Engineering and Technology KICET
Original Assignee
NEXT WEEK CO LTD
SEOUL METROPOLITAN GOVERNMENT
Korea Institute of Ceramic Engineering and Technology KICET
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Publication of WO2014107032A1 publication Critical patent/WO2014107032A1/fr
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    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/08—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding porous substances
    • C—CHEMISTRY; METALLURGY
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    • C04B5/00—Treatment of  metallurgical  slag ; Artificial stone from molten  metallurgical  slag 
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/008—Sludge treatment by fixation or solidification
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C14/00—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
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    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
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    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
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    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
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    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
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Definitions

  • the present invention relates to a composition for a porous humidity board and a method of manufacturing a porous humidity board using the same, and more specifically, it is possible to recycle resources because it recycles waste sludge generated from the treatment of water purification plant to make tap water, It is a flame retardant that does not burn well and is made of inorganic raw materials, low cost of raw materials and low production cost enable mass production. It is made of inorganic materials that are harmless to the human body, and has excellent characteristics of absorbing and releasing harmful substances generated. It relates to a composition for a porous humidity board and a method of manufacturing a porous humidity board using the same.
  • High humidity is the growth of allergic diseases such as asthma and atopic dermatitis due to harmful fine powder with the growth of mold and mites.
  • Low humidity may cause malfunction of precision instruments due to virus growth such as cold and measurement of static electricity. Therefore, dehumidifiers or humidifiers are used to maintain proper humidity. Occurs.
  • the humidity board is a material that has the function of condensing and absorbing water vapor when the environmental humidity is increased by the capillary tube on the surface of the material, and evaporating the condensate water when the environmental humidity is low.
  • it refers to materials that maintain a certain range of humidity.
  • mesoporous materials having a pore size in the range of 35 nm and a pore volume of 0.8 cc / g or more should be used.
  • Humidity boards first developed in Japan, use surfactants to induce the desired pore structure, resulting in high manufacturing costs and difficulty in mass production, making it difficult to actually produce.
  • the problem to be solved by the present invention is recycling the waste water sludge which is generated during the treatment process of tap water to make the tap water is recycled resources, it is made of inorganic raw materials as a flame retardant that does not burn well, and the raw material is cheap It is possible to provide mass production with low manufacturing cost, and it is made of inorganic material that is harmless to human body, and has excellent characteristics of absorbing and releasing harmful substances generated, and providing a method for manufacturing porous humidity board using the same. have.
  • the purified water sludge powder formed during the treatment of the water treatment plant to make the tap water is heat-treated at 500 ⁇ 700 °C, 70 to 130 parts by weight of waste glass powder, the purified water sludge with respect to 100 parts by weight of the purified sludge powder It provides a composition for a porous humidity board comprising 10 to 40 parts by weight of at least one material selected from silica powder and zeolite powder and 70 to 130 parts by weight of clay based on 100 parts by weight of the purified sludge powder.
  • composition for the porous humidity board may further include 10 to 40 parts by weight of TiO 2 based on 100 parts by weight of the purified sludge powder.
  • composition for the porous humidity board may further include 0.1 to 40 parts by weight of one or more materials selected from diatomaceous earth, gypsum, allophen, imogolite, slaked lime, dolomite and charcoal based on 100 parts by weight of the purified sludge powder. .
  • the clay may be bentonite.
  • the waste glass powder is preferably made of waste glass powder pulverized smaller than 50 ⁇ 800 mesh.
  • At least one material selected from the silica powder and the zeolite powder is preferably made of a powder having an average particle diameter of 1 ⁇ 80 ⁇ m.
  • the purified sludge powder is composed of 40 to 60% by weight of SiO 2 , 25 to 45% by weight of Al 2 O 3 , 2 to 10% by weight of Fe 2 O 3 , CaO 0.1 to 3%, and MgO 0.1 to 5% by weight.
  • It may be a material comprising 0.001 to 1% by weight, SrO 0.001 to 1% by weight, Li 2 O 0.001 to 1% by weight, BaO 0.001 to 1% by weight and PbO 0.001 to 1% by weight.
  • the present invention (a) preparing the purified water sludge generated in the treatment process of the water purification plant to make the tap water, (b) heat treatment the purified sludge at 500 ⁇ 700 °C to form a purified sludge powder, (c) 10 to 40 one or more substances selected from silica powder and zeolite powder based on 70 to 130 parts by weight of the waste glass powder and 100 parts by weight of the purified water sludge powder and 100 parts by weight of the purified water sludge powder Part by weight, mixing 70 to 130 parts by weight of clay with respect to 100 parts by weight of the purified sludge powder to form a composition for a porous humidity board, (d) forming the composition for the porous humidity board and (e) molded It includes the step of firing the result, the firing provides a method of manufacturing a porous humidity board, characterized in that made at a temperature of 800 ⁇ 1000 °C.
  • step (c) 10 to 40 parts by weight of TiO 2 may be further mixed with respect to 100 parts by weight of the purified sludge powder.
  • step (c) 0.1 to 40 parts by weight of one or more materials selected from diatomaceous earth, gypsum, allophen, imogolite, slaked lime, dolomite and charcoal may be further mixed with respect to 100 parts by weight of the purified sludge powder.
  • the method may further include the step of applying a glaze to the surface of the molded product, and the surface area of the molded product is preferably 30 to 95%.
  • the clay may be bentonite.
  • waste glass powder it is preferable to use waste glass powder pulverized smaller than 50 to 800 mesh.
  • a powder having an average particle diameter of 1 to 80 ⁇ m as the at least one material selected from the silica powder and the zeolite powder.
  • the purified sludge powder is composed of 40 to 60% by weight of SiO 2 , 25 to 45% by weight of Al 2 O 3 , 2 to 10% by weight of Fe 2 O 3 , CaO 0.1 to 3%, and MgO 0.1 to 5% by weight.
  • Humidity board of the present invention exhibits the humidity of absorbing and releasing moisture, and can absorb harmful substances such as volatile organic compounds (VOC), formaldehyde and the like.
  • VOC volatile organic compounds
  • the humidity board of the present invention recycles waste sludge, which is a waste sludge generated during the treatment of water treatment plant to make tap water, so that the resources can be recycled, made of inorganic raw materials as a flame retardant that does not burn well, and the raw material is cheap Low manufacturing cost enables mass production, and is made of inorganic materials that are harmless to the human body, and is excellent in absorbing and releasing harmful substances generated.
  • Humidity board of the present invention can be mainly used as interior materials, such as exterior materials, bathrooms or finishing materials with a coloring or design.
  • 1 is a graph showing a hygroscopic hysteresis curve.
  • FIG. 2 is a view schematically showing a process of making tap water.
  • 3 is a photograph showing the foreground of Yeongdeungpo water purification plant.
  • 5 is a photograph showing that the belt is formed by using a belt press to remove moisture.
  • FIG. 7 is a photograph showing the side of the humidity board specimen prepared when the constant temperature and humidity experiment according to Experimental Example 1 was sealed using tape according to the standard.
  • FIGS. 8A and 8B are photographs of the front surface of the humidity board specimen prepared according to Experimental Example 1 with a scanning electron microscope (SEM).
  • 9a and 9b are photographs of the side surface of the humidity board specimen prepared according to Experimental Example 1 with a scanning electron microscope (SEM).
  • the present invention provides a humidity control board that absorbs and releases moisture and absorbs harmful substances such as volatile organic compounds (VOC) and formaldehyde.
  • VOC volatile organic compounds
  • formaldehyde harmful substances
  • the present invention is intended to develop an eco-friendly material containing a large amount of purified sludge as a main raw material having a problem in disposal by dumping a large amount of ocean dumping or waste.
  • the purified sludge is used to include sludge generated in the treatment process of a water treatment plant for making tap water.
  • Humidity boards first developed in Japan, use surfactants to induce the desired pore structure, resulting in high manufacturing costs and difficulty in mass production, making it difficult to actually produce.
  • the purified water sludge as the main raw material in the manufacturing of the humidity board, it is possible to replace the expensive humidity board by lowering the manufacturing cost.
  • Humidity board of the present invention is a flame retardant that does not burn well, made of inorganic raw materials, the raw material is cheap and low production cost is possible to mass production, made of inorganic materials harmless to the human body, absorb the harmful substances generated And excellent properties of releasing.
  • Humidity board of the present invention can be mainly used as interior materials, such as exterior materials, bathrooms or finishing materials with a coloring or design.
  • Porous humidity board is made of ceramic material is the most competitive, the porous humidity board of the present invention is a product by adding a new functionality to the existing interior and exterior tiles that are losing the competitiveness of imported and large replacement effect of Chinese and European products It can contribute to the creation of new markets and the development of related industries.
  • High humidity is the growth of allergic diseases such as asthma and atopic dermatitis due to harmful fine powder with the growth of mold and mites. If the humidity is low, malfunction of the precision equipment may occur due to the growth of viruses such as cold and the measurement of static electricity, and therefore, it is necessary to maintain proper humidity.
  • the humidity board of the present invention has a humidity control function.
  • Humidity control means the function of controlling humidity, and it absorbs moisture when the humidity is high and emits moisture when the humidity is low.
  • Humidity board of the present invention has a function of condensing and absorbing water vapor when the environmental humidity is increased by the capillary tube present on the surface of the material, and evaporating the condensate water when the environmental humidity is low, the change of the external environment in the building or in a sealed living space It is a functional material that can maintain humidity in a certain range.
  • 'adsorption' represents moisture absorption
  • 'desorption' represents moisture dampening (evaporation of moisture).
  • the moisture absorption function shown in FIG. 1 occurs even at low humidity as the pore diameter is small, and the pore at about 10 nm causes condensation at 90% relative humidity (RH), and the evaporation (moisture) of moisture also decreases as the pore diameter is smaller.
  • RH relative humidity
  • evaporation at about 10 nm pores occurs at 80% relative humidity (RH), lower than condensation.
  • RH relative humidity
  • This phenomenon is explained by the hygroscopic hysteresis curve, where the humidity of the hygroscopic basis depends on the pore size and the amount increases with the porosity. Therefore, the larger the pore size is to change around the high humidity, it is generally known that the absorption and moisture absorption occurs in the pore range of about 3 ⁇ 7.5nm when the average humidity is 40 ⁇ 70%.
  • the moisture absorption and moisture absorption characteristics are divided into short-term and long-term types according to the expression time.
  • the short-term type absorbs and damps about 80% or more within 12 hours
  • the long-term type gradually absorbs and damps about 80% or more over several days.
  • Wood-based materials, etc. belong to this. In addition, depending on the material, it can have a long and short composite properties.
  • the present invention is used as the main raw material of the porous humidifying board by recycling the purified sludge as a flotation sediment.
  • FIG. 2 is a view schematically showing a treatment process of a water treatment plant for making tap water.
  • 3 is a photograph showing the foreground of Yeongdeungpo water purification plant.
  • Figure 4 is a photograph showing a sludge thickening tank,
  • Figure 5 is a photograph showing the removal of moisture using a belt press to make a cake (Cake) form.
  • the purified sludge is preferably used after heat treatment at a temperature of 500 to 700 ° C, preferably 600 ° C.
  • the organic matter contained in the purified sludge is burned and removed, thereby obtaining purified sludge powder.
  • the purified sludge powder is composed of 40 to 60% by weight of SiO 2 , 25 to 45% by weight of Al 2 O 3 , 2 to 10% by weight of Fe 2 O 3 , CaO 0.1 to 3%, MgO 0.1 to 5%, 0.1 to 6% K 2 O, 0.01 to 2% Na 2 O, 0.01 to 2% TiO 2, 0.01 to 3% P 2 O 5 , 0.01 to 2% MnO, 0.001 to 1% ZrO 2 It may be a material comprising 0.001 to 1% by weight of Cr 2 O 3, 0.001 to 1% by weight of SrO, 0.001 to 1% by weight of Li 2 O, 0.001 to 1% by weight of BaO, and 0.001 to 1% by weight of PbO.
  • Table 1 below shows the chemical composition after heat treatment of purified water sludge generated at the roasting water treatment plant at 600 °C for 10 minutes.
  • 1 is a photograph showing the purified sludge powder obtained by heat treatment at 600 °C for 10 minutes.
  • Porous humidifying board composition according to a preferred embodiment of the present invention, the purified sludge generated during the treatment process of the water purification plant to make the tap water, the wastewater sludge powder formed by heat treatment at 500 ⁇ 700 °C, the waste water sludge powder with respect to 100 parts by weight 70 to 130 parts by weight of glass powder, 10 to 40 parts by weight of one or more substances selected from silica powder and zeolite powder, and 70 to 130 parts by weight of clay based on 100 parts by weight of the purified sludge powder based on 100 parts by weight of the purified sludge powder do.
  • the waste glass powder is a sintering aid, and when less waste glass powder is added, the waste glass powder is not easily baked and the strength is weak.
  • the waste glass powder is preferably made of waste glass powder pulverized smaller than 50 ⁇ 800 mesh.
  • At least one material selected from the silica powder and the zeolite powder is preferably made of a powder having an average particle diameter of 1 ⁇ 80 ⁇ m.
  • Silica powder may act as a moisture-humidifying agent as a porous material.
  • Zeolite can also act as a moisturizing agent.
  • the clay may be bentonite.
  • Bentonite is a plastic raw material, which facilitates molding, and if the content of bentonite is too small, molding may not be performed well, and in many cases, it is expensive.
  • the composition for the porous humidity board may further include 10 to 40 parts by weight of TiO 2 based on 100 parts by weight of the purified sludge powder. TiO 2 may serve to make the color of the porous humidity board white.
  • composition for the porous humidity board may further include 0.1 to 40 parts by weight of one or more materials selected from diatomaceous earth, gypsum, allophen, imogolite, slaked lime, dolomite and charcoal based on 100 parts by weight of the purified sludge powder.
  • At least one material selected from diatomaceous earth, gypsum, allophen, imogolite, slaked lime, dolomite, and charcoal may serve as a moisturizing agent.
  • a method of manufacturing a porous humidifying board capable of expressing moisture absorption and moisture absorption characteristics through nanopores after dehydration and heat treatment of purified sludge, which is a flotation sediment having nanoparticles, and using a suitable mixture at low temperature may be described.
  • the purified sludge powder is composed of 40 to 60 wt% of SiO 2 , 25 to 45 wt% of Al 2 O 3 , 2 to 10 wt% of Fe 2 O 3 , 0.1 to 3 wt% of CaO, 0.1 to 5 wt% of MgO, K 2 O 0.1-6%, Na 2 O 0.01-2%, TiO 2 0.01-2%, P 2 O 5 0.01-3%, MnO 0.01-2%, ZrO 2 0.001--1% It may be a material comprising 0.001 to 1% by weight of Cr 2 O 3, 0.001 to 1% by weight of SrO, 0.001 to 1% by weight of Li 2 O, 0.001 to 1% by weight of BaO, and 0.001 to 1% by weight of
  • TiO 2 10 to 40 parts by weight of TiO 2 may be further mixed with respect to 100 parts by weight of the purified sludge powder. TiO 2 may serve to make the color of the porous humidity board white.
  • At least one material selected from diatomaceous earth, gypsum, allophen, imogolite, slaked lime, dolomite and charcoal may be further mixed with respect to 100 parts by weight of the purified sludge powder.
  • At least one material selected from diatomaceous earth, gypsum, allophen, imogolite, slaked lime, dolomite, and charcoal may serve as a moisturizing agent.
  • the waste glass powder it is preferable to use the waste glass powder pulverized smaller than 50 to 800 mesh in consideration of porosity characteristics of the porous humidity board.
  • the waste glass powder is a sintering aid, and when less waste glass powder is added, the waste glass powder is not easily baked and the strength is weak.
  • the at least one material selected from the silica powder and the zeolite powder may be a powder having an average particle diameter of 1 to 80 ⁇ m, preferably 20 to 50 ⁇ m, in consideration of porosity characteristics of the porous humidity board.
  • Silica powder may act as a moisture-humidifying agent as a porous material.
  • Zeolite can also act as a moisturizing agent.
  • the clay may be bentonite.
  • Bentonite is a plastic raw material, which facilitates molding, and if the content of bentonite is too small, molding may not be performed well, and in many cases, it is expensive.
  • the mixing can be done in a variety of ways, here an example of using a wet ball milling process will be described.
  • the starting material is charged to a ball milling machine and wet mixed with a solvent such as distilled water.
  • the ball mill is rotated at a constant speed to grind the starting materials while mixing them mechanically.
  • the ball used in the ball milling is preferably to use a ball made of a ceramic material, such as alumina in order to suppress the generation of impurities, the balls may be all the same size or may be used with a ball having two or more sizes together. .
  • the size of the ball can be set in the range of about 1mm ⁇ 50mm
  • the rotation speed of the ball mill can be set in the range of about 50 ⁇ 500rpm.
  • Ball milling is preferably carried out for 1 to 48 hours. Ball milling causes the starting material to be mixed and ground into finely sized particles and to have a uniform particle size distribution. Through the wet mixing process as described above it is finely divided to form a slurry (slurry) state, such a slurry material can be used as a composition for a porous humidity board.
  • the molding can be done in a variety of ways.
  • Glaze can be applied to the molded product by using silk screen or spraying method.
  • glazes there is no particular limitation on the glaze that can be used.
  • examples of glazes that may be used include grinding a borosilicate frit having a melting point lower than the firing temperature to less than a predetermined size (eg 200 mesh) and adding a predetermined amount (eg 5% by weight) of a substance such as kaolin to water.
  • a predetermined size eg 200 mesh
  • a predetermined amount eg 5% by weight
  • the oil surface of the glaze is 30 to 95% of the surface area of the molded product. When the surface area exceeds 95%, the humidity control is limited. When the surface area of the glaze is less than 30%, the surface of the glaze is in use. The likelihood of accumulation of contaminants increases.
  • the molded composition for the porous humidity board is charged to a furnace such as an electric furnace and subjected to a firing process.
  • the firing process is preferably performed for 1 minute to 48 hours at a relatively low temperature of about 800 ⁇ 1000 °C. It is desirable to keep the pressure inside the furnace constant during firing.
  • the firing is preferably carried out at a temperature in the range of 800 ⁇ 1000 °C. If the firing temperature is less than 800 °C composition of the porous humidity board is incompletely fired may not be good characteristics of the porous humidity board, when the temperature exceeds 1000 °C may be uneconomical due to high energy consumption.
  • the heating temperature it is preferable to increase the heating temperature at a temperature increase rate of 1 to 50 ° C./min. If the temperature rising rate is too slow, productivity may take a long time, and if the temperature rising rate is too fast, thermal stress may be applied due to a rapid temperature rise. Since it is possible to raise the temperature at a temperature rising rate in the above range, it is preferable.
  • the firing is preferably maintained for 1 minute to 48 hours at the firing temperature. If the firing time is too long, energy consumption is high, so it is not economical and it is difficult to expect further firing effects, and if the firing time is small, incomplete firing may be achieved.
  • the firing is preferably carried out in an oxidizing atmosphere (for example, air or oxygen (O 2 ) atmosphere).
  • an oxidizing atmosphere for example, air or oxygen (O 2 ) atmosphere.
  • the furnace temperature is lowered to unload the porous humidity board.
  • the furnace cooling may be allowed to cool down in a natural state by turning off the furnace power source, or to set a temperature drop rate (eg, 10 ° C./min) arbitrarily. It is desirable to keep the pressure inside the furnace constant while the furnace temperature is lowered.
  • the purified sludge (SL) was heat treated at 600 ° C. for 10 minutes.
  • the purified sludge powder formed by heat treatment at 600 ° C. is the same as that shown in Table 1 and FIG. 6.
  • the composition for the porous humidity board was pressed in a load of 400Kg / cm 2 in accordance with the humidity board specifications, and manufactured in the form of a humidity board specimen.
  • the sampled product was fired at 850 ° C. for 10 minutes using a tunnel kiln to obtain a humidity board specimen.
  • the prepared humidity board specimens were measured for porosity, and observed using a thermo-hygrostat when measuring the absorption rate / release rate.
  • thermo-hygrostat was used as a method for absorbance / release rate of the prepared humidity board specimens.
  • the absorption rate and the release rate can be measured by changing the humidity conditions at the same temperature conditions.
  • the side of the humidity board specimen is sealed using a tape as shown in FIG. 7, and after preparing the upper surface to be visible, the sample board is placed in a thermo-hygrostat and set to 25% humidity at a temperature of 25. The weight was taken out.
  • the humidity was raised to 90% at 25 ° C., and after 12 hours, the weight was measured, and the amount of water absorbed in the cross section was calculated.
  • thermo-hygrostat This was put back into the thermo-hygrostat and then set to 25% humidity at 25 ° C. and then taken out after 12 hours to measure the weight and calculate the moisture-proof amount.
  • the amount of water absorption / moisture absorption was calculated in terms of the unit area of m 2.
  • Table 2 is a table showing the absorption / release rate of the humidity board specimen prepared according to Experimental Example 1.
  • 'm 0 ' is the weight measured by taking out the sample after 12 hours after putting the humidity board specimen into the thermo-hygrostat and setting it to 25% humidity at a temperature of 25 ° C
  • 'm 1 ' is 90 ° at 25 ° C. It is the weight measured after increasing the humidity to% and taking it out after 12 hours
  • 'm 2 ' is set to 90% humidity at 25 ° C and taken out after 12 hours to measure the weight, and then put it in the constant temperature and humidity chamber again at 25 ° C to 25% humidity. The weight was taken out after 12 hours of setting, and 'A' means the area of the humidity board specimen.
  • Table 2 shows the humidity of the humidity board specimen prepared according to Experimental Example 1 for 12 hours at a temperature of 25 °C, 25% humidity for 12 hours and then reacted for 12 hours at a temperature of 25 °C, 90% humidity to measure the absorption rate and temperature 25 °C, The reaction rate was measured by reacting at 25% humidity for 12 hours.
  • FIG 8a and 8b are photographs of the front surface of the humidity board specimen prepared according to Experimental Example 1 by Scanning Electron Microscope (SEM),
  • Figure 9a and 9b is a humidity board prepared according to Experimental Example 1 The side surface of the specimen was observed with a scanning electron microscope (SEM).
  • the porosity of the humidity board specimen prepared according to Experimental Example 1 was measured.
  • the average pore diameter of the humidity board specimen prepared according to Experimental Example 1 was 742 mm, the bulk density was 1.0237 g / ml, the apparent density was 1.9252 g / ml, and the porosity. porosity was 46.8259%.

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Abstract

Cette invention concerne une composition pour panneau poreux de régulation de l'humidité, comprenant : une boue de purification d'eau en poudre obtenue par chauffage, à une température de 500 à 700°C, de la boue de purification de l'eau générée dans un procédé de traitement, qui est mis en œuvre dans une unité de purification d'eau pour produire l'eau du robinet ; 70 à 130 parties en poids de déchets de verre en poudre pour 100 parties en poids de boue de purification d'eau en poudre ; 10 à 40 parties en poids d'une ou de plusieurs substances choisies parmi la silice en poudre et la zéolithe en poudre pour 100 parties en poids de boue de purification d'eau en poudre ; et 70 à 130 parties en poids d'argile pour 100 parties en poids de boue de purification d'eau en poudre. Cette invention concerne également un procédé de production du panneau poreux de régulation de l'humidité utilisant ladite composition. L'invention réutilise la boue d'eau de purification qui est la boue résiduelle générée dans le procédé de traitement, qui est mis en œuvre dans une unité de purification d'eau pour produire l'eau du robinet, permettant ainsi la réutilisation des ressources. La composition selon l'invention est à base d'un matériau inorganique résistant à l'inflammation, ledit matériau étant bon marché et fabriqué à bas coût de façon à permettre sa production en masse, et la composition est à base d'un matériau inorganique inoffensif pour l'homme, et qui est excellent pour absorber et évacuer les substances nocives générées.
PCT/KR2014/000017 2013-01-03 2014-01-02 Composition pour panneau poreux de régulation de l'humidité réutilisant la boue issue de la purification de l'eau, et procédé de fabrication dudit panneau poreux de régulation de l'humidité l'utilisant Ceased WO2014107032A1 (fr)

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KR101677672B1 (ko) * 2016-04-26 2016-11-18 주식회사 지엔티엔에스 건축폐기물을 이용한 고순도 합성 제올라이트 대량생산 제조방법
KR102136043B1 (ko) * 2020-01-03 2020-07-20 최승규 정수 슬러지를 이용한 인공어초용 대형 세라믹패널의 제조 방법
KR102351167B1 (ko) * 2020-06-12 2022-01-13 최승규 정수 슬러지를 재활용한 연속 다공질의 건축용 세라믹 패널 및 그 제조방법

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KR20010073725A (ko) * 2000-01-20 2001-08-01 최애선 폐수 슬러지를 이용한 건자재의 제조방법
JP2002193683A (ja) * 2000-12-26 2002-07-10 Itochu Ceratech Corp 高強度無機質多孔体及びその製造方法
JP2003096930A (ja) * 2001-09-26 2003-04-03 Dantani Plywood Co Ltd 調湿性防火建材及びその製造方法
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JP2001122676A (ja) * 1999-10-22 2001-05-08 National House Industrial Co Ltd 調湿タイルの製造方法および調湿タイル
KR20010073725A (ko) * 2000-01-20 2001-08-01 최애선 폐수 슬러지를 이용한 건자재의 제조방법
JP2002193683A (ja) * 2000-12-26 2002-07-10 Itochu Ceratech Corp 高強度無機質多孔体及びその製造方法
JP2003096930A (ja) * 2001-09-26 2003-04-03 Dantani Plywood Co Ltd 調湿性防火建材及びその製造方法
JP2005255496A (ja) * 2004-03-12 2005-09-22 Yoshika Kk 下水汚泥焼却灰を用いたセラミック製品の製造方法および得られたセラミック製品
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