CA1172619A - Preparation of porous, pure silicon dioxide and of chromium-oxide-on-silicon dioxide catalysts - Google Patents

Preparation of porous, pure silicon dioxide and of chromium-oxide-on-silicon dioxide catalysts

Info

Publication number
CA1172619A
CA1172619A CA000388650A CA388650A CA1172619A CA 1172619 A CA1172619 A CA 1172619A CA 000388650 A CA000388650 A CA 000388650A CA 388650 A CA388650 A CA 388650A CA 1172619 A CA1172619 A CA 1172619A
Authority
CA
Canada
Prior art keywords
gel
silicon dioxide
alcohol
water
chromium
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
Application number
CA000388650A
Other languages
English (en)
French (fr)
Inventor
Joseph J.F. Scholten
Abraham Van Montfoort
Lambertus J.M.A. Van De Leemput
Godefridus A.H. Nooijen
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.)
Stamicarbon BV
Original Assignee
Stamicarbon BV
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 Stamicarbon BV filed Critical Stamicarbon BV
Application granted granted Critical
Publication of CA1172619A publication Critical patent/CA1172619A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F10/02Ethene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/08Silica
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/113Silicon oxides; Hydrates thereof
    • C01B33/12Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/16Preparation of silica xerogels

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Catalysts (AREA)
  • Silicon Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polymerization Catalysts (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA000388650A 1980-10-24 1981-10-23 Preparation of porous, pure silicon dioxide and of chromium-oxide-on-silicon dioxide catalysts Expired CA1172619A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8005856A NL8005856A (nl) 1980-10-24 1980-10-24 Bereiding van poreus, zuiver siliciumdioxyde en van chroomoxyde-op-siliciumdioxyde katalysatoren.
NL8005856 1980-10-24

Publications (1)

Publication Number Publication Date
CA1172619A true CA1172619A (en) 1984-08-14

Family

ID=19836057

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000388650A Expired CA1172619A (en) 1980-10-24 1981-10-23 Preparation of porous, pure silicon dioxide and of chromium-oxide-on-silicon dioxide catalysts

Country Status (8)

Country Link
US (1) US4386016A (esLanguage)
EP (1) EP0050902B1 (esLanguage)
JP (1) JPS57100913A (esLanguage)
AT (1) ATE7591T1 (esLanguage)
CA (1) CA1172619A (esLanguage)
DE (1) DE3163766D1 (esLanguage)
ES (3) ES8206380A1 (esLanguage)
NL (1) NL8005856A (esLanguage)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8610024D0 (en) * 1986-04-24 1986-05-29 Unilever Plc Porous structures
DE3640803A1 (de) * 1986-11-28 1988-06-09 Basf Ag Verfahren zum herstellen von griessfoermigen homo- sowie copolymerisaten des ethens mittels eines chromtrioxid-katalysatorsystems
DE3640802A1 (de) * 1986-11-28 1988-06-09 Basf Ag Verfahren zum herstellen von griessfoermigen homo- sowie copolymerisaten des ethens mittels eines chromtrioxid-katalysators
DE3803895C1 (esLanguage) * 1988-02-09 1989-04-13 Degussa Ag, 6000 Frankfurt, De
US5128114A (en) * 1989-04-14 1992-07-07 E. I. Du Pont De Nemours And Company Silica microspheres, method of improving attrition resistance
DE3912504A1 (de) * 1989-04-17 1990-10-18 Degussa Presslinge auf basis von pyrogen hergestelltem siliciumdioxid, verfahren zu ihrer herstellung und ihre verwendung
DE4132894A1 (de) * 1991-10-04 1993-04-08 Basf Ag Verfahren zur herstellung eines traegerkatalysators fuer die polymerisation von (alpha)-olefinen
EP0562205A1 (en) * 1992-03-24 1993-09-29 Bp Chemicals S.N.C. Process for the preparation of a polymerisation catalyst
GB9210265D0 (en) * 1992-05-13 1992-07-01 Unilever Plc Catalysts and catalyst supports
AU7148394A (en) * 1993-08-27 1995-03-09 Union Carbide Chemicals & Plastics Technology Corporation Improved method and catalysts for producing polymer for blow molding applications
WO1995017347A1 (en) * 1993-12-23 1995-06-29 Ppg Industries, Inc. Silica aerogel produced under subcritical conditions
EP0725037B2 (de) * 1995-02-04 2012-04-25 Evonik Degussa GmbH Granulate auf Basis von pyrogen hergestelltem Siliciumdioxid, Verfahren zu ihrer Herstellung und ihre Verwendung
EP1232115A1 (en) * 1999-11-05 2002-08-21 Conoco, Inc. Chromium-based catalysts and process for converting hydrocarbons to synthesis gas
WO2001060740A2 (en) * 2000-02-18 2001-08-23 Conoco Inc. Chromium-based catalysts and processes for converting hydrocarbons to synthesis gas
US20030140657A1 (en) * 2001-10-30 2003-07-31 Monika Oswald Method of producing glass of optical quality
US20060063084A1 (en) * 2004-09-22 2006-03-23 Xerox Corporation Emulsion aggregation toner containing pigment having a small particle size
EP1700824A1 (en) 2005-03-09 2006-09-13 Degussa AG Granules based on pyrogenically prepared silicon dioxide, method for their preparation and use thereof
CN101942229B (zh) * 2009-07-06 2013-03-06 中国石油化工股份有限公司 含有孔道保护剂的多孔二氧化硅的制备方法
KR200465001Y1 (ko) 2010-04-22 2013-01-29 엄문식 남성 소변전용 기저귀
CN102513093B (zh) * 2011-12-01 2013-06-12 连云港阳方催化科技有限公司 高浓度含盐废水液相氧化催化剂及制法与处理方法
US12103987B2 (en) 2019-03-29 2024-10-01 Japan Polypropylene Corporation Method for producing catalyst component for olefin polymerization, method for producing catalyst for olefin polymerization, and method for producing olefin polymer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2475984A (en) * 1944-03-11 1949-07-12 Standard Oil Dev Co Process for drying hydrogel catalysts
DE1667430B2 (de) * 1967-10-14 1977-02-03 Chemische Werke Hüls AG, 4370 Mari Verfahren zum haerten geformter kieselsaeuregele
DE2540278C2 (de) * 1975-09-10 1982-09-16 Basf Ag, 6700 Ludwigshafen Verfahren zum Herstellen von Olefinpolymerisaten
US4206297A (en) * 1977-04-25 1980-06-03 Chemplex Company Polymerization catalysts and methods
NL7707961A (nl) * 1977-07-18 1979-01-22 Stamicarbon Werkwijze ter bereiding van poreus, zuiver siliciumdioxyde.

Also Published As

Publication number Publication date
ES506497A0 (es) 1982-08-16
JPS57100913A (en) 1982-06-23
EP0050902B1 (en) 1984-05-23
ES510041A0 (es) 1983-02-01
JPH0135775B2 (esLanguage) 1989-07-27
ES510040A0 (es) 1983-02-01
US4386016A (en) 1983-05-31
EP0050902A1 (en) 1982-05-05
NL8005856A (nl) 1982-05-17
ES8303246A1 (es) 1983-02-01
ES8206380A1 (es) 1982-08-16
ES8303247A1 (es) 1983-02-01
ATE7591T1 (de) 1984-06-15
DE3163766D1 (en) 1984-06-28

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry