DK171158B1 - Fremgangsmåde til fremstilling af diatoméjord-baserede filtreringsmidler med meget lavt indhold af cristobalit ved agglomerering - Google Patents

Fremgangsmåde til fremstilling af diatoméjord-baserede filtreringsmidler med meget lavt indhold af cristobalit ved agglomerering Download PDF

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Publication number
DK171158B1
DK171158B1 DK132094A DK132094A DK171158B1 DK 171158 B1 DK171158 B1 DK 171158B1 DK 132094 A DK132094 A DK 132094A DK 132094 A DK132094 A DK 132094A DK 171158 B1 DK171158 B1 DK 171158B1
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DK
Denmark
Prior art keywords
diatomaceous earth
silicic acid
agglomeration
silica
calcination
Prior art date
Application number
DK132094A
Other languages
Danish (da)
English (en)
Other versions
DK132094A (da
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
Publication of DK132094A publication Critical patent/DK132094A/da
Application granted granted Critical
Publication of DK171158B1 publication Critical patent/DK171158B1/da

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/02—Loose filtering material, e.g. loose fibres
    • B01D39/06—Inorganic material, e.g. asbestos fibres, glass beads or fibres
    • 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)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Geology (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
  • Filtering Materials (AREA)
  • Catalysts (AREA)
DK132094A 1993-11-19 1994-11-18 Fremgangsmåde til fremstilling af diatoméjord-baserede filtreringsmidler med meget lavt indhold af cristobalit ved agglomerering DK171158B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9313862 1993-11-19
FR9313862A FR2712508B1 (fr) 1993-11-19 1993-11-19 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.

Publications (2)

Publication Number Publication Date
DK132094A DK132094A (da) 1995-05-20
DK171158B1 true DK171158B1 (da) 1996-07-08

Family

ID=9453047

Family Applications (1)

Application Number Title Priority Date Filing Date
DK132094A DK171158B1 (da) 1993-11-19 1994-11-18 Fremgangsmåde til fremstilling af diatoméjord-baserede filtreringsmidler med meget lavt indhold af cristobalit ved agglomerering

Country Status (11)

Country Link
US (1) US5710090A (ja)
JP (1) JP2547390B2 (ja)
AU (1) AU665318B2 (ja)
CA (1) CA2135042C (ja)
DE (1) DE4440931C2 (ja)
DK (1) DK171158B1 (ja)
ES (1) ES2105951B1 (ja)
FR (1) FR2712508B1 (ja)
IS (1) IS1693B (ja)
IT (1) IT1267153B1 (ja)
ZA (1) ZA949142B (ja)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5776353A (en) * 1996-02-16 1998-07-07 Advanced Minerals Corporation Advanced composite filtration media
DE10022798C2 (de) 2000-05-10 2003-07-03 Pfleiderer Ag Körniges, keramisches Material mit hoher Porosität, Verfahren zu seiner Herstellung und Verwendung des Materials
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
PL2684589T3 (pl) * 2006-07-14 2022-11-21 Imerys Filtration Minerals, Inc. Sposób wytwarzania kompozycji do odfiltrowywania i usuwania cząstek i/lub składników z płynu
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
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
US20110195168A1 (en) * 2008-10-09 2011-08-11 World Minerals, Inc. Diatomaceous earth products, processes for preparing them, and methods of their use
CN103402603B (zh) * 2010-08-18 2015-11-25 英默里斯筛选矿物公司 具有新型孔尺寸特征的复合助滤剂
WO2013096578A1 (en) * 2011-12-21 2013-06-27 Imerys Filtration Minerals, Inc. Diatomaceous earth products, processes for preparing them, and methods of their use
US9095842B2 (en) 2012-12-13 2015-08-04 Ep Minerals, Llc Diatomaceous earth filter aid containing a low crystalline silica content
CN105050707A (zh) * 2013-04-11 2015-11-11 Ep矿产有限公司 减少的结晶二氧化硅的硅藻土产品及其制造方法
WO2016100217A1 (en) 2014-12-19 2016-06-23 Ep Minerals, Llc Opaline biogenic silica/expanded perlite composite products
ES2847148T3 (es) * 2015-10-23 2021-08-02 Ep Minerals Llc Productos de diatomita calcinada con fundente opalino y método de fabricación
CN108502892A (zh) * 2018-05-30 2018-09-07 浙江省医学科学院 一种用于复制矽肺模型的标准石英粉尘的制备方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR907690A (fr) * 1944-11-07 1946-03-19 Transmission mécanique pour engins de locomotion de grande puissance
US2693456A (en) * 1950-09-11 1954-11-02 Eagle Picher Co Treatment of diatomaceous earth
GB949724A (en) * 1961-07-28 1964-02-19 Johns Manville Method of producing calcined diatomaceous earth
US3392507A (en) * 1964-12-02 1968-07-16 Johns Manville Preparation of a support for use in gas chromatography
US3600329A (en) * 1967-10-30 1971-08-17 Kieselguhr De Mexico Sa Diatomaceous earth treated with poly-electrolyte product and a new process for producing it
DE6753120U (de) * 1968-07-19 1969-04-03 Klaus Teske Kieselgur das als filterhilfsmittel verwendet wird, durch ein geeignetes bindemittel zu koerpern zu pressen.
US4134857A (en) * 1977-02-07 1979-01-16 Johns-Manville Corporation Use of tannic or gallic acid to produce low beverage soluble iron content filter aid
US4581338A (en) * 1985-05-31 1986-04-08 Manville Service Corporation Preparation of catalyst supports and materials produced thereby
DD252080A3 (de) * 1985-08-30 1987-12-09 Wtoz Der Brau Und Malzindustri Verfahren zur substanzschonenden und strukturerhaltenden aufbereitung von diatomeenerde zur gewinnung vorausbestimmbarer mengen von kieselgut
DE3621801A1 (de) * 1986-06-28 1988-01-07 Franz Josef Siepe Verfahren zum plombieren und verschliessen von fuell- bzw. ausgussstutzen an behaeltern und behaelterverschluss
DD266034A1 (de) * 1987-11-16 1989-03-22 Wtoez Brau & Malzind Verfahren zum dispersen, strukturbewahrenden korngroessensichernden kalzinieren von kieselgur
JPH0745004B2 (ja) * 1989-11-02 1995-05-17 昭次 園川 濾過材
FR2663564B1 (fr) * 1990-06-20 1992-10-02 Ceca Sa Procede pour l'obtention d'agents filtrants diatomiques calcines tres permeables exempts de cristobalite, et agents filtrants diatomitiques calcines tres permeables exempts de cristobalite.
US5403799A (en) * 1992-12-21 1995-04-04 W. R. Grace & Co.-Conn. Process upset-resistant inorganic supports for bioremediation

Also Published As

Publication number Publication date
ZA949142B (en) 1995-07-24
CA2135042A1 (fr) 1995-05-20
FR2712508B1 (fr) 1996-01-05
ES2105951B1 (es) 1998-07-01
ITTO940928A0 (it) 1994-11-18
DK132094A (da) 1995-05-20
IT1267153B1 (it) 1997-01-28
IS4234A (is) 1995-05-20
AU665318B2 (en) 1995-12-21
US5710090A (en) 1998-01-20
IS1693B (is) 1998-04-20
ITTO940928A1 (it) 1996-05-18
DE4440931C2 (de) 1999-11-25
FR2712508A1 (fr) 1995-05-24
AU7883794A (en) 1995-05-25
ES2105951A1 (es) 1997-10-16
JPH07265693A (ja) 1995-10-17
JP2547390B2 (ja) 1996-10-23
CA2135042C (fr) 1999-04-20
DE4440931A1 (de) 1995-05-24

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Date Code Title Description
B1 Patent granted (law 1993)
PUP Patent expired

Expiry date: 20141118