DE69101671D1 - Verfahren zur Herstellung von sehr permeablen, gesinterten kieselguhrhaltigen Filtrationsmitteln ohne Cristobalit und so erhaltene Filtrationsmittel. - Google Patents

Verfahren zur Herstellung von sehr permeablen, gesinterten kieselguhrhaltigen Filtrationsmitteln ohne Cristobalit und so erhaltene Filtrationsmittel.

Info

Publication number
DE69101671D1
DE69101671D1 DE69101671T DE69101671T DE69101671D1 DE 69101671 D1 DE69101671 D1 DE 69101671D1 DE 69101671 T DE69101671 T DE 69101671T DE 69101671 T DE69101671 T DE 69101671T DE 69101671 D1 DE69101671 D1 DE 69101671D1
Authority
DE
Germany
Prior art keywords
filter media
cristobalite
permeable
production
media containing
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.)
Expired - Lifetime
Application number
DE69101671T
Other languages
English (en)
Other versions
DE69101671T2 (de
Inventor
Pascal Dufour
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.)
Carbonisation et Charbons Actifs CECA SA
Original Assignee
Carbonisation et Charbons Actifs CECA SA
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 Carbonisation et Charbons Actifs CECA SA filed Critical Carbonisation et Charbons Actifs CECA SA
Publication of DE69101671D1 publication Critical patent/DE69101671D1/de
Application granted granted Critical
Publication of DE69101671T2 publication Critical patent/DE69101671T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B01J20/14—Diatomaceous earth

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Filtering Materials (AREA)
DE69101671T 1990-06-20 1991-06-18 Verfahren zur Herstellung von sehr permeablen, gesinterten kieselguhrhaltigen Filtrationsmitteln ohne Cristobalit und so erhaltene Filtrationsmittel. Expired - Lifetime DE69101671T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9007690A FR2663564B1 (fr) 1990-06-20 1990-06-20 Procede pour l'obtention d'agents filtrants diatomiques calcines tres permeables exempts de cristobalite, et agents filtrants diatomitiques calcines tres permeables exempts de cristobalite.

Publications (2)

Publication Number Publication Date
DE69101671D1 true DE69101671D1 (de) 1994-05-19
DE69101671T2 DE69101671T2 (de) 1994-11-03

Family

ID=9397802

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69101671T Expired - Lifetime DE69101671T2 (de) 1990-06-20 1991-06-18 Verfahren zur Herstellung von sehr permeablen, gesinterten kieselguhrhaltigen Filtrationsmitteln ohne Cristobalit und so erhaltene Filtrationsmittel.

Country Status (11)

Country Link
US (1) US5179062A (de)
EP (1) EP0463927B1 (de)
JP (1) JP3241752B2 (de)
CA (1) CA2044040C (de)
CZ (1) CZ280842B6 (de)
DE (1) DE69101671T2 (de)
DK (1) DK0463927T3 (de)
ES (1) ES2051567T3 (de)
FR (1) FR2663564B1 (de)
IS (1) IS1695B (de)
SK (1) SK278196B6 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2712508B1 (fr) * 1993-11-19 1996-01-05 Ceca Sa Procédé pour l'obtention d'agents filtrants diatomitiques à très faible teneur en cristobalite par agglomération avec des liants silicatés ou siliciques et agents filtrants correspondants.
US5656568A (en) * 1995-08-11 1997-08-12 Advanced Minerals Corporation Highly purified biogenic silica product
EP1230976B1 (de) * 2001-02-13 2008-12-24 Lehmann & Voss & Co. Filterhilfsmittel
DE10235866B4 (de) * 2002-08-05 2005-02-24 Technische Universität München Verfahren zur thermischen Behandlung von Kieselgur, thermisch behandelte Kieselgur und Verwendung einer derartigen Kieselgur
WO2005051520A1 (en) * 2003-11-20 2005-06-09 Air Institution, Inc. Exhaust gas filter and filtering system
US9725350B2 (en) 2004-05-19 2017-08-08 Richard L. Lehman Very low crystalline silica foamed glass and methods of using the same
US20050261121A1 (en) * 2004-05-19 2005-11-24 Earthstone International Llc Elimination of crystalline silica from white foam glass by chemical additions
US8916486B2 (en) * 2004-05-19 2014-12-23 Richard Lehman Method of reducing the occurrence of crystalline silica in foamed glass by the introduction of chemical additives
US9963373B2 (en) 2004-05-19 2018-05-08 Earthstone International Llc Method of reducing the occurrence of crystalline silica in foamed glass by the introduction of chemical additives
EP1794226B1 (de) * 2004-09-28 2013-04-24 Advanced Minerals Corporation Neues funktionelles additiv in polymeren
US7524531B2 (en) * 2005-04-27 2009-04-28 Ferro Corporation Structured self-cleaning surfaces and method of forming same
WO2008030715A2 (en) * 2006-09-06 2008-03-13 World Minerals, Inc. Process for roasting diatomaceous earth ore to reduce organic content
US20100126388A1 (en) * 2007-04-18 2010-05-27 World Minerals, Inc. Calcined diatomite products with low cristobalite content
US20090181848A1 (en) * 2007-07-06 2009-07-16 Ep Minerals, Llc Crystalline silica-free diatomaceous earth blended filter aids and methods of manufacturing the same
US8084392B2 (en) * 2007-07-06 2011-12-27 Ep Minerals, Llc Crystalline silica-free diatomaceous earth filter aids and methods of manufacturing the same
US8410017B2 (en) * 2007-11-25 2013-04-02 Imerys Filtration Minerals, Inc. Filter aids made from low permeability diatomites
US8663475B2 (en) * 2008-09-26 2014-03-04 Imerys Filtration Minerals, Inc. Diatomaceous earth products containing reduced soluble metal levels, processes for reducing soluble metal levels in diatomaceous earth products, and methods of using the same
DK2346981T3 (en) * 2008-10-09 2016-06-27 Imerys Filtration Minerals Inc DIATOE CEREAL PRODUCTS, PROCEDURES FOR PRODUCING THEREOF AND PROCEDURES FOR THEIR USE
WO2010104831A1 (en) 2009-03-11 2010-09-16 World Minerals, Inc. Natural amorphous silica filler products
FR2958934A1 (fr) 2010-04-14 2011-10-21 Michel Davidovics Matrice a base de cristobalite nano-cristalline pour materiau composite fibreux thermostructural
MX349820B (es) * 2010-10-14 2017-08-15 Instituto Nac De Investigaciones Nucleares Proceso y equipo para tratar residuos de tierras diatomaceas y otros para la obtencion de materiales de construccion.
US9095842B2 (en) 2012-12-13 2015-08-04 Ep Minerals, Llc Diatomaceous earth filter aid containing a low crystalline silica content
MX2015014292A (es) * 2013-04-11 2016-03-03 Ep Minerals Llc Productos de tierra de diatomeas de silice cristalina reducida y metodos para la elaboracion de los mismos.
US10391433B2 (en) 2014-12-19 2019-08-27 Ep Minerals, Llc Opaline biogenic silica/expanded perlite composite products
US10532339B2 (en) 2015-06-04 2020-01-14 Imerys Usa, Inc. Compositions and methods for calcining diatomaceous earth with reduced cristobalite and/or reduced beer soluble iron
WO2017069808A1 (en) * 2015-10-23 2017-04-27 Ep Minerals, Llc Opaline flux-calcined diatomite products
WO2018128622A1 (en) * 2017-01-06 2018-07-12 Ep Minerals, Llc Ultra-high performance and high purity biogenic silica filtration media
CN112573523B (zh) * 2020-12-07 2022-10-28 嵊州浙江大学技术转移中心 一种硅藻土综合利用方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1717661A (en) * 1924-10-25 1929-06-18 Calvert Robert Revivification of used kieselguhr
US1756906A (en) * 1926-05-03 1930-04-29 Celite Corp Material for use in treatment of liquids
US1862825A (en) * 1928-08-15 1932-06-14 Calco Chemical Co Inc Method of making sulphur trioxide and catalyst for use in said method
US1813916A (en) * 1929-04-29 1931-07-14 Celite Corp Production of finely divided material
US1985526A (en) * 1933-08-11 1934-12-25 Dicalite Company Heat treatment of diatomaceous earth
US2470346A (en) * 1946-04-30 1949-05-17 Great Lakes Carbon Corp Calcined diatomaceous earth product
US3012981A (en) * 1958-07-01 1961-12-12 Sinclair Refining Co Wax compositions containing telemeric polyalkyl oxoesters
US3993499A (en) * 1974-10-04 1976-11-23 E. I. Du Pont De Nemours And Company Process for producing a particulate mullite fibril containing composition
US4112129A (en) * 1977-09-14 1978-09-05 Johns-Manville Corporation Cooking oil treating system and composition therefor
US4325844A (en) * 1980-05-20 1982-04-20 Manville Service Corporation Method of preparing diatomite for rapid calcination
US4479920A (en) * 1981-06-29 1984-10-30 Torftech Limited Apparatus for processing matter in a turbulent mass of particulate material
DD266034A1 (de) * 1987-11-16 1989-03-22 Wtoez Brau & Malzind Verfahren zum dispersen, strukturbewahrenden korngroessensichernden kalzinieren von kieselgur
EP0391321A3 (de) * 1989-04-07 1991-01-16 Asahi Glass Company Ltd. Keramisches Filter für staubhaltige Gase und Verfahren zu seiner Herstellung

Also Published As

Publication number Publication date
CA2044040C (fr) 2001-08-21
FR2663564B1 (fr) 1992-10-02
EP0463927A1 (de) 1992-01-02
JP3241752B2 (ja) 2001-12-25
EP0463927B1 (de) 1994-04-13
CS189291A3 (en) 1992-02-19
SK278196B6 (en) 1996-03-06
FR2663564A1 (fr) 1991-12-27
CZ280842B6 (cs) 1996-04-17
JPH04227008A (ja) 1992-08-17
IS1695B (is) 1998-08-28
DK0463927T3 (da) 1994-06-06
CA2044040A1 (fr) 1991-12-21
DE69101671T2 (de) 1994-11-03
IS3719A7 (is) 1991-12-21
ES2051567T3 (es) 1994-06-16
US5179062A (en) 1993-01-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: PATENTANWAELTE GESTHUYSEN, VON ROHR & EGGERT, 45128