DK0463927T3 - Fremgangsmåde til fremstilling af meget permeable kalcinerede diatomit-baserede filtreringsmidler fri for cristobalit, og således opnåede filtreringsmidler - Google Patents

Fremgangsmåde til fremstilling af meget permeable kalcinerede diatomit-baserede filtreringsmidler fri for cristobalit, og således opnåede filtreringsmidler

Info

Publication number
DK0463927T3
DK0463927T3 DK91401626.6T DK91401626T DK0463927T3 DK 0463927 T3 DK0463927 T3 DK 0463927T3 DK 91401626 T DK91401626 T DK 91401626T DK 0463927 T3 DK0463927 T3 DK 0463927T3
Authority
DK
Denmark
Prior art keywords
filtration agents
cristobalite
preparation
highly permeable
calcined diatomite
Prior art date
Application number
DK91401626.6T
Other languages
Danish (da)
English (en)
Inventor
Pascal Dufour
Original Assignee
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 Ceca Sa filed Critical Ceca Sa
Application granted granted Critical
Publication of DK0463927T3 publication Critical patent/DK0463927T3/da

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)
DK91401626.6T 1990-06-20 1991-06-18 Fremgangsmåde til fremstilling af meget permeable kalcinerede diatomit-baserede filtreringsmidler fri for cristobalit, og således opnåede filtreringsmidler DK0463927T3 (da)

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 (1)

Publication Number Publication Date
DK0463927T3 true DK0463927T3 (da) 1994-06-06

Family

ID=9397802

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91401626.6T DK0463927T3 (da) 1990-06-20 1991-06-18 Fremgangsmåde til fremstilling af meget permeable kalcinerede diatomit-baserede filtreringsmidler fri for cristobalit, og således opnåede filtreringsmidler

Country Status (11)

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

Families Citing this family (28)

* 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
DE20122792U1 (de) * 2001-02-13 2007-10-11 Lehmann & Voss & Co. Kg 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
EP1684891A1 (en) * 2003-11-20 2006-08-02 Air Institution, Inc. Exhaust gas filter and filtering system
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
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
JP2008514777A (ja) * 2004-09-28 2008-05-08 アドヴァンスト ミネラルズ コーポレーション 新規のポリマー用機能性添加剤
US7524531B2 (en) * 2005-04-27 2009-04-28 Ferro Corporation Structured self-cleaning surfaces and method of forming same
US20100167921A1 (en) * 2006-09-06 2010-07-01 World Minerals, Inc. Process for Roasting Diatomaceous Earth Ore to Reduce Organic Content
WO2008131124A1 (en) * 2007-04-18 2008-10-30 World Minerals, Inc. Calcined diatomite products with low cristobalite content
US8084392B2 (en) * 2007-07-06 2011-12-27 Ep Minerals, Llc Crystalline silica-free diatomaceous earth filter aids and methods of manufacturing the same
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
ES2835176T3 (es) * 2007-11-25 2021-06-22 Imerys Filtration Minerals Inc Proceso para la preparación de ayudas de filtro, hechos de tierra de diatomáceas de baja permeabilidad
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
EP3059010B1 (en) * 2008-10-09 2017-09-27 Imerys Filtration Minerals, Inc. Processes for preparing diatomaceous earth products
EP2411329B1 (en) * 2009-03-11 2021-05-19 Imerys Filtration 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
US20160059208A1 (en) * 2013-04-11 2016-03-03 Ep Minerals, Llc Reduced Crystalline Silica Diatomaceous Earth Products and Methods of Manufacturing the Same
MX2017007977A (es) 2014-12-19 2017-09-29 Ep Minerals Llc Productos compuestos de silice opalina biogenico/perlita expandida.
WO2016196137A1 (en) * 2015-06-04 2016-12-08 Imerys Filtration Minerals, Inc. Compositions and methods for calcining diatomaceous earth with reduced cristobalite and/or reduced beer soluble iron
US10908102B2 (en) * 2015-10-23 2021-02-02 Ep Minerals Llc Methods of determining the mineralogy of calcined and flux-calcined diatomite
JP2020504003A (ja) * 2017-01-06 2020-02-06 イーピー ミネラルス，エルエルシー 超高性能かつ高純度な生物起源シリカ濾過媒体
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

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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
DE69033420T2 (de) * 1989-04-07 2000-07-20 Asahi Glass Co. Ltd., Tokio/Tokyo Keramischer Filter für staubhaltige Gase und Verfahren zu seiner Herstellung

Also Published As

Publication number Publication date
CA2044040C (fr) 2001-08-21
SK278196B6 (en) 1996-03-06
FR2663564B1 (fr) 1992-10-02
JP3241752B2 (ja) 2001-12-25
JPH04227008A (ja) 1992-08-17
EP0463927B1 (fr) 1994-04-13
US5179062A (en) 1993-01-12
DE69101671T2 (de) 1994-11-03
IS3719A7 (is) 1991-12-21
CA2044040A1 (fr) 1991-12-21
CZ280842B6 (cs) 1996-04-17
DE69101671D1 (de) 1994-05-19
IS1695B (is) 1998-08-28
ES2051567T3 (es) 1994-06-16
CS189291A3 (en) 1992-02-19
EP0463927A1 (fr) 1992-01-02
FR2663564A1 (fr) 1991-12-27

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