ITTO940928A0 - Procedimento per l'ottenimento di agenti filtranti diatomitici con te-nore molto basso di cristobalite mediante agglomerazione con leganti silicati o silicici e agenti filtranti corrispondenti. - Google Patents

Procedimento per l'ottenimento di agenti filtranti diatomitici con te-nore molto basso di cristobalite mediante agglomerazione con leganti silicati o silicici e agenti filtranti corrispondenti.

Info

Publication number
ITTO940928A0
ITTO940928A0 ITTO940928A ITTO940928A ITTO940928A0 IT TO940928 A0 ITTO940928 A0 IT TO940928A0 IT TO940928 A ITTO940928 A IT TO940928A IT TO940928 A ITTO940928 A IT TO940928A IT TO940928 A0 ITTO940928 A0 IT TO940928A0
Authority
IT
Italy
Prior art keywords
filtering agents
nore
cristobalite
agglomeration
silicate
Prior art date
Application number
ITTO940928A
Other languages
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
Publication of ITTO940928A0 publication Critical patent/ITTO940928A0/it
Publication of ITTO940928A1 publication Critical patent/ITTO940928A1/it
Application granted granted Critical
Publication of IT1267153B1 publication Critical patent/IT1267153B1/it

Links

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)
  • Filtering Materials (AREA)
  • Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
  • Catalysts (AREA)
IT94TO000928A 1993-11-19 1994-11-18 Procedimento per l'ottenimento di agenti filtranti diatomitici con tenore molto basso di cristobalite mediante agglomerazione con leganti IT1267153B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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 (3)

Publication Number Publication Date
ITTO940928A0 true ITTO940928A0 (it) 1994-11-18
ITTO940928A1 ITTO940928A1 (it) 1996-05-18
IT1267153B1 IT1267153B1 (it) 1997-01-28

Family

ID=9453047

Family Applications (1)

Application Number Title Priority Date Filing Date
IT94TO000928A IT1267153B1 (it) 1993-11-19 1994-11-18 Procedimento per l'ottenimento di agenti filtranti diatomitici con tenore molto basso di cristobalite mediante agglomerazione con leganti

Country Status (11)

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

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
DE20122753U1 (de) * 2001-02-13 2007-07-19 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
CN101528320B (zh) 2006-07-14 2013-11-20 英默里斯筛选矿物公司 用于过滤并去除流体中的粒子和/或组分的组合物
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
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
WO2010036763A1 (en) * 2008-09-26 2010-04-01 World 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
ES2575205T3 (es) * 2008-10-09 2016-06-27 Imerys Filtration Minerals, Inc. Productos de tierra de diatomáceas, procesos para su preparación y métodos para su uso
US8242050B2 (en) * 2010-08-18 2012-08-14 World Minerals, Inc. Composite filter aids having novel pore size characteristics
US20140346112A1 (en) * 2011-12-21 2014-11-27 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
US20160059208A1 (en) * 2013-04-11 2016-03-03 Ep Minerals, Llc Reduced Crystalline Silica Diatomaceous Earth Products and Methods of Manufacturing the Same
JP6783234B2 (ja) 2014-12-19 2020-11-11 イーピー ミネラルス，エルエルシー オパール質の生物起源シリカ／膨張パーライト複合製品
PL3365098T3 (pl) * 2015-10-23 2021-07-26 Ep Minerals, Llc Produkty diatomitu kalcynowane(go) topnikiem opalinu i metody wytwarzania
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
FR1593603A (it) * 1967-10-30 1970-06-01
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
DK132094A (da) 1995-05-20
ES2105951B1 (es) 1998-07-01
IS1693B (is) 1998-04-20
DE4440931A1 (de) 1995-05-24
JP2547390B2 (ja) 1996-10-23
CA2135042A1 (fr) 1995-05-20
FR2712508B1 (fr) 1996-01-05
DK171158B1 (da) 1996-07-08
ITTO940928A1 (it) 1996-05-18
JPH07265693A (ja) 1995-10-17
AU665318B2 (en) 1995-12-21
IS4234A (is) 1995-05-20
AU7883794A (en) 1995-05-25
IT1267153B1 (it) 1997-01-28
FR2712508A1 (fr) 1995-05-24
US5710090A (en) 1998-01-20
ES2105951A1 (es) 1997-10-16
ZA949142B (en) 1995-07-24
CA2135042C (fr) 1999-04-20
DE4440931C2 (de) 1999-11-25

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Legal Events

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0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971129