[go: up one dir, main page]

WO2006017919A1 - Amélioration du procédé de fabrication de vermiculite expansée hydrofugée et applications de ce procédé - Google Patents

Amélioration du procédé de fabrication de vermiculite expansée hydrofugée et applications de ce procédé Download PDF

Info

Publication number
WO2006017919A1
WO2006017919A1 PCT/BR2005/000135 BR2005000135W WO2006017919A1 WO 2006017919 A1 WO2006017919 A1 WO 2006017919A1 BR 2005000135 W BR2005000135 W BR 2005000135W WO 2006017919 A1 WO2006017919 A1 WO 2006017919A1
Authority
WO
WIPO (PCT)
Prior art keywords
expanded vermiculite
production
hydrophobized
water
process according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/BR2005/000135
Other languages
English (en)
Inventor
Martins Jader
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2006017919A1 publication Critical patent/WO2006017919A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/20—Silicates
    • C01B33/36—Silicates having base-exchange properties but not having molecular sieve properties
    • C01B33/38—Layered base-exchange silicates, e.g. clays, micas or alkali metal silicates of kenyaite or magadiite type
    • C01B33/42—Micas ; Interstratified clay-mica products
    • 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
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/10—Coating or impregnating
    • C04B20/1051—Organo-metallic compounds; Organo-silicon compounds, e.g. bentone
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents

Definitions

  • Hydrophobized expanded vermiculite may also be used to adsorb petroleum and different types of oil spilled into rivers and seas, as well as oil spilled onto dry and/or wet impermeable surfaces, such as that of as asphalt pavements. Hydrophobized expanded vermiculite can also be put to household use to clean, for instance, grease traps, cooking-oil-soiled or greasy kitchen utensils, and swimming pools.
  • Vermiculite is a member of the mica family of minerals, that is to say, it is a hydrated silicate containing mainly potassium, magnesium, iron, aluminium and calcium, with a structure comprised of inter-stratified mica sheets containing water molecules. If heated, vermiculite loses water and undergoes a process of exfoliation, thus producing vermiculate particles.
  • vermiculite In Brazil, vermiculite is used mainly as a "mineral cork" used to, for instance, provide thermal insulation to industrial piping lining, and also as insulation pipe connection sealing, prefabricated brick mortar, as refractory insulating tiles and blocks, acoustic insulation panels mortar, acoustic and thermal insulation products to be applied by pneumatic spray guns, light- and ultra- light aggregate, protection mask filters and several other industrial purposes. In the agricultural field, it may be used as a partial or total substitute for soil. Attempts to use unhydrophobized expanded vermiculite in oil-entrained water treatment processes or in operations to stop oil or oil by-product leakages have proven the product to have low capacity for the absorption of organic compounds despite its characteristic porosity and high specific surface.
  • hydrophobized expanded vermiculites have been proven inefficient given their short useful life and low resistance to heat, to organic solvents, and to the highly basic or acidic conditions of the said parafinic reagents.
  • aluminium silicates such as asbestos, clay, talc or diatomacean earth
  • hydrophobizing agent is turned into vapour through a vacuum production process (negative pressure) and then stirred together with aluminium silicate into a mixture (as described in patent GB 2103196).
  • Patent BR 9004025-2 also describes an expanded vermiculite hydrophobization process whereby organic reagents obtained from silicium, such as siloxans and silicones are added during the expanded vermiculite cooling phase, that is to say, within a temperature range from 80 0 C to 400 0 C, that is to say, directly after the vermiculite exfoliation process at temperatures above 800 0 C.
  • organic reagents obtained from silicium such as siloxans and silicones
  • the invention object of this patent registration claim is an upgraded process for the production of hydrophobized expanded vermiculite, which, due to its high adsorption capacity, constitutes an excellent product to treat water entrained with apolar organic liquids (that is to say water insoluble liquids).
  • the product can also be used to fight oil and oil by-product spillages in ponds, rivers and at sea.
  • This claim therefore, is for the registration of an upgraded process for the production of hydrophobized expanded vermiculite by means of a process involving the use of organic reagents obtained from silica such as ethyl silicate, organohalogenosilanes, siloxans and their polymers (denominated silicons), which, applied as per a special method to expanded vermiculite, hydrophobize its surface, that is to say, make it water repellent.
  • Vermiculite is hydrophobized in the cooling phase following the vermiculite exfoliation process, which is carried out at a temperature above 800 0 C.
  • the temperature of the expanded vermiculite When, during the cooling process, the temperature of the expanded vermiculite has dropped to levels below 800 0 C, it undergoes hydrophobizatioii under the following conditions: a) directly after the vermiculite exfoliation process, reagents, which are kept at ambient temperature or else separately heated up to temperatures ranging from 10 0 C to 80 0 C, are sprayed onto the expanded vermiculite surfaces. This procedure differs from that in patent BR 9004025-2, which prescribes a process whereby reagents are heated up to temperatures ranging from 80 0 C a 400 0 C; b) expanded vermiculite may come into contact with the reagents at temperatures above 400 0 C.
  • the quantity of organic reagent to be used will be dictated by both its own characteristics and the specific surface of the expanded vermiculite.
  • hydrophobized expanded vermiculite can adsorb an amount of oil and/or of other organic compounds entrained in water or retained in impermeable surfaces (such as that of asphalt, or cement pavements) equivalent to up to five times its own weight.
  • Non-toxic, it floats on water and may be used in acidic, basic and saline environments.
  • Tests carried out with two different types of adsorbent - that is to say hydrophobized expanded vermiculite and a type of activated Canadian peat - and using an oleic acid as the substance to be adsorbed have demonstrated that hydrophobized expanded vermiculite can adsorb the equivalent to 5.1 times its own weight whilst the activated Canadian peat has an adsorption capacity for 5.9 times its own weight.
  • Hydrophobized expanded vermiculite may be used in several different ways: directly added to contaminated water to work as a filtering means; as a containment barrier to prevent spilled oil from spreading; as permeable blankets, cordon and/or cushion stuffing, etc, and also as a means to fight the problem of contaminant spillages onto impermeable surfaces. Hydrophobized expanded vermiculite can also be used to remove oil and grease from swimming pools, household grease traps or from any other types of recipient or tank containing oil-entrained water. It can further be put to many household uses, working as a substitute for traditional kitchen utensil cleaning products, such as cleaning powder.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Dispersion Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)

Abstract

La présente invention a pour objet une amélioration du procédé de fabrication de vermiculite expansée hydrofugée, utilisant des réactifs organiques dérivés de la silice, comme du silicate d’éthyle, des organohalogénosilanes, des siloxanes et des silicones. Placés en contact avec la vermiculite expansée refroidie à une température inférieure à 800 °C, ces réactifs organiques dérivés de la silice transforment cette dernière en un produit hydrofuge. Lesdits réactifs organiques réagissent de façon très efficiente avec la surface de la vermiculite expansée, transformant cette dernière en un matériau absorbant efficacement les liquides organiques (tels que les huiles ou le pétrole et ses dérivés) lorsque ces derniers sont mélangés à de l'eau industrielle, ou tout autre type d'eau mis en contact avec des liquides organiques. Ce matériau permet de même de nettoyer des surfaces contaminées par des déversements d’huile. Le produit obtenu par la méthode revendiquée dans la présente invention peut également être utilisé en tant que rembourrage pour coussins ou comme absorbant pour le nettoyage de bacs à graisse ménagers.
PCT/BR2005/000135 2004-08-16 2005-07-08 Amélioration du procédé de fabrication de vermiculite expansée hydrofugée et applications de ce procédé Ceased WO2006017919A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BRPI0403541-0 2004-08-16
BRPI0403541 BRPI0403541A (pt) 2004-08-16 2004-08-16 processo aperfeiçoado de hidrofobização de vermiculita expandida e aplicação

Publications (1)

Publication Number Publication Date
WO2006017919A1 true WO2006017919A1 (fr) 2006-02-23

Family

ID=36096543

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/BR2005/000135 Ceased WO2006017919A1 (fr) 2004-08-16 2005-07-08 Amélioration du procédé de fabrication de vermiculite expansée hydrofugée et applications de ce procédé

Country Status (2)

Country Link
BR (1) BRPI0403541A (fr)
WO (1) WO2006017919A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012006707A3 (fr) * 2010-07-14 2012-03-15 Universidade Federal De Minas Gerais - Ufmg Procédé de préparation, d'application et de récupération d'une matière absorbante pour composés ou mélanges non polaires
WO2014011773A1 (fr) * 2012-07-10 2014-01-16 Red Lion Chem Tech, Llc Élimination de contaminants hydrophobes
US9701880B2 (en) 2010-07-14 2017-07-11 Universidade Federal De Minas Gerais-Ufmg Process for preparing absorbent material for apolar compounds or mixtures
WO2019050578A1 (fr) * 2016-09-08 2019-03-14 Morehouse School Of Medicine Composition de chargement de liquide, et son procédé de fabrication et d'utilisation
US10604729B2 (en) 2016-09-08 2020-03-31 Morehouse School Of Medicine Liquid loading composition, method of making and use thereof
CN112645343A (zh) * 2020-12-21 2021-04-13 西南科技大学 由金云母水热反应合成的蛭石及其制备方法
CN117770095A (zh) * 2024-02-27 2024-03-29 同济大学 一种具有多层结构的透气防渗毯及其制备方法和应用

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9004025A (pt) * 1990-08-08 1992-02-25 Jader Martins Processo aperfeicoado de hidrofobizacao de vermiculita expandida
DE19542069A1 (de) * 1994-11-12 1996-05-15 Pafamax Brandschutztech Gmbh Bauelement aus einem nicht brennbaren Material sowie Verfahren zu dessen Herstellung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9004025A (pt) * 1990-08-08 1992-02-25 Jader Martins Processo aperfeicoado de hidrofobizacao de vermiculita expandida
DE19542069A1 (de) * 1994-11-12 1996-05-15 Pafamax Brandschutztech Gmbh Bauelement aus einem nicht brennbaren Material sowie Verfahren zu dessen Herstellung

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012006707A3 (fr) * 2010-07-14 2012-03-15 Universidade Federal De Minas Gerais - Ufmg Procédé de préparation, d'application et de récupération d'une matière absorbante pour composés ou mélanges non polaires
US9701880B2 (en) 2010-07-14 2017-07-11 Universidade Federal De Minas Gerais-Ufmg Process for preparing absorbent material for apolar compounds or mixtures
WO2014011773A1 (fr) * 2012-07-10 2014-01-16 Red Lion Chem Tech, Llc Élimination de contaminants hydrophobes
US8946118B2 (en) 2012-07-10 2015-02-03 Red Lion Chem Tech, Llc Removal of hydrophobic contaminants
WO2019050578A1 (fr) * 2016-09-08 2019-03-14 Morehouse School Of Medicine Composition de chargement de liquide, et son procédé de fabrication et d'utilisation
US10604729B2 (en) 2016-09-08 2020-03-31 Morehouse School Of Medicine Liquid loading composition, method of making and use thereof
CN111741678A (zh) * 2016-09-08 2020-10-02 莫尔豪斯医学院 液体负载组合物，其制造方法和使用
US11162058B2 (en) 2016-09-08 2021-11-02 Morehouse School Of Medicine Liquid loading composition, method of making and use thereof
US12116549B2 (en) 2016-09-08 2024-10-15 Morehouse School Of Medicine Liquid loading composition, method of making and use thereof
CN112645343A (zh) * 2020-12-21 2021-04-13 西南科技大学 由金云母水热反应合成的蛭石及其制备方法
CN117770095A (zh) * 2024-02-27 2024-03-29 同济大学 一种具有多层结构的透气防渗毯及其制备方法和应用
CN117770095B (zh) * 2024-02-27 2024-05-07 同济大学 一种具有多层结构的透气防渗毯及其制备方法和应用

Also Published As

Publication number Publication date
BRPI0403541A (pt) 2006-03-28

Similar Documents

Publication Publication Date Title
US4473477A (en) Method of organic waste disposal
KR101290293B1 (ko) 초기우수유출수의 비점오염물 정화장치
KR101321730B1 (ko) 친환경 수축저감제와 그것을 이용한 미장용 친환경 시멘트 및 몰탈
JP4022254B2 (ja) 防水性ゲルを形成しうる粘土含有混合物及びブレンド、ならびにその混合物及びブレンドの使用
KR20070008556A (ko) 유체 처리를 위한 다공성 미립자 물질, 시멘트질 조성물 및이의 제조방법
KR101912328B1 (ko) 비산먼지를 저감할 수 있는 친환경 레미콘 조성물
WO2019079731A1 (fr) Milieu de filtration granulaire
WO2006017919A1 (fr) Amélioration du procédé de fabrication de vermiculite expansée hydrofugée et applications de ce procédé
JP2005097069A (ja) 常温水硬性の処理材、処理材の活用利用方法、処理材で改質処理されている改質処理品ならびに処理材で加工調製されている無機質成型品
RU2508170C1 (ru) Способ утилизации буровых отходов
US7754642B2 (en) Hydrophobic oil adsorbent material and process for production and use
KR101924887B1 (ko) 친환경 흙콘크리트 조성물
KR100872463B1 (ko) 반응성 복합투수벽체
KR101717689B1 (ko) 폐기물 매립장 차수구조물 및 이의 시공방법
JP2006247645A (ja) 改質処理剤、熱履歴シリケートの改質処理方法ならびに熱履歴シリケートが改質処理された結着形状体
Borowski et al. Application of zeolites in removal of hazardous metal ions from drilling mud wastewater
KR101470432B1 (ko) 투수성 유기점토 판넬 제조방법 및 이를 이용한 폐수정화시스템
Leontari et al. Valorisation of soil contaminated by petroleum hydrocarbons and toxic metals in geopolymer mortar formation
JP2002249348A (ja) 常温水硬性固化材ならびに多孔質の耐水・耐熱性固化体
WO2003103866A1 (fr) Structure de prevention de diffusion de contamination dans une zone contaminee
KR101733354B1 (ko) 기능성 벤토혼합토
Tuncan et al. Stabilization of petroleum contaminated drilling wastes by additives
US20090120872A1 (en) Composition and bioremediation method for water polluted by hydrocarbons
Janotka et al. Geosynthetic mat Tatrabent—development, production and application
Grassi et al. Application of thermally treated water treatment sludge as a remarkable adsorbent towards emerging pollutant removal from aqueous solution

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU LV MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase