BE834924A - PROCESS FOR THE PREPARATION OF SPHERICAL SILICA PARTICLES - Google Patents

PROCESS FOR THE PREPARATION OF SPHERICAL SILICA PARTICLES

Info

Publication number
BE834924A
BE834924A BE1006980A BE1006980A BE834924A BE 834924 A BE834924 A BE 834924A BE 1006980 A BE1006980 A BE 1006980A BE 1006980 A BE1006980 A BE 1006980A BE 834924 A BE834924 A BE 834924A
Authority
BE
Belgium
Prior art keywords
preparation
silica particles
spherical silica
spherical
particles
Prior art date
Application number
BE1006980A
Other languages
Dutch (nl)
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 filed Critical
Publication of BE834924A publication Critical patent/BE834924A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D301/00—Preparation of oxiranes
    • C07D301/02—Synthesis of the oxirane ring
    • C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
    • C07D301/19—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with organic hydroperoxides
    • 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
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • B01J2/06—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a liquid medium
    • B01J2/08—Gelation of a colloidal solution
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/08—Silica
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J35/51—
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/152—Preparation of hydrogels
    • C01B33/154—Preparation of hydrogels by acidic treatment of aqueous silicate solutions
    • C01B33/1546—Preparation of hydrogels by acidic treatment of aqueous silicate solutions the first formed hydrosol being converted to a hydrogel by introduction into an organic medium immiscible or only partly miscible with water
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D301/00—Preparation of oxiranes
    • C07D301/02—Synthesis of the oxirane ring
    • C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
    • C07D301/14—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with organic peracids, or salts, anhydrides or esters thereof
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G45/00—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
    • C10G45/02—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing
    • C10G45/04—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing characterised by the catalyst used
    • C10G45/06—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing characterised by the catalyst used containing nickel or cobalt metal, or compounds thereof
    • C10G45/08—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing characterised by the catalyst used containing nickel or cobalt metal, or compounds thereof in combination with chromium, molybdenum, or tungsten metals, or compounds thereof
BE1006980A 1974-11-06 1975-10-28 PROCESS FOR THE PREPARATION OF SPHERICAL SILICA PARTICLES BE834924A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB47991/74A GB1525386A (en) 1974-11-06 1974-11-06 Process for the preparation of globular silica particles

Publications (1)

Publication Number Publication Date
BE834924A true BE834924A (en) 1976-04-28

Family

ID=10446985

Family Applications (1)

Application Number Title Priority Date Filing Date
BE1006980A BE834924A (en) 1974-11-06 1975-10-28 PROCESS FOR THE PREPARATION OF SPHERICAL SILICA PARTICLES

Country Status (13)

Country Link
JP (1) JPS5823329B2 (en)
BE (1) BE834924A (en)
CA (1) CA1064008A (en)
DE (1) DE2549411C2 (en)
ES (1) ES442322A0 (en)
FR (1) FR2290395A1 (en)
GB (1) GB1525386A (en)
IT (1) IT1048821B (en)
NL (1) NL7512900A (en)
NO (1) NO139678C (en)
SE (1) SE411542B (en)
SU (1) SU784751A3 (en)
ZA (1) ZA756937B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1177811A (en) * 1981-04-13 1984-11-13 Theo G. Spek Process for the preparation of silica particles; silica particles with a narrow pore diameter distribution, catalysts made therefrom and use of these catalysts
JPS57200375A (en) * 1981-06-02 1982-12-08 Sumitomo Chem Co Ltd Preparation of epoxy compound
NL8204165A (en) * 1981-11-06 1983-06-01 Shell Int Research DEVICE FOR CLASSIFYING CATALYST PARTICLES AND CATALYTIC METHOD USING CATALYST PARTICLES CLASSIFIED WITH THE SAID DEVICE.
GB8419708D0 (en) * 1984-08-02 1984-09-05 Shell Int Research Preparation of silica spheres
JPS6316049A (en) * 1986-07-08 1988-01-23 Fuji Debuison Kagaku Kk Catalyst carrier for fluidized bed
BE1004675A3 (en) * 1991-03-11 1993-01-12 Solvay METHOD FOR OBTAINING PARTICLE microspheroidal HOMODISPERSES, microspheroidal SILICA PARTICLE SPECIFIC SURFACE HIGH, CATALYSTS SUPPORTED ON THESE PARTICLES AND METHOD FOR POLYMERIZATION OF ALPHA-OLEFINS IN THE PRESENCE OF THESE CATALYSTS.
DE69728341T2 (en) * 1996-10-07 2004-12-30 Kabushiki Kaisha Toyota Chuo Kenkyusho Compound oxide, composite oxide carrier and catalyst
US6355596B2 (en) 1999-06-01 2002-03-12 Pq Holding, Inc. Method for preparing titanium on silica catalysts with controlled distributions
US6887822B2 (en) 2001-09-25 2005-05-03 Pq Corporation Method for making silica supported, crush-resistant catalysts
US7125819B2 (en) 2002-12-02 2006-10-24 Shell Oil Company Catalyst preparation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2385217A (en) * 1942-10-09 1945-09-18 Socony Vacuum Oil Co Inc Gel pellets
FR1035927A (en) * 1951-04-19 1953-09-01 Davison Chemical Corp Process for preparing silica-alumina catalyst microspheres
US2813836A (en) * 1953-03-25 1957-11-19 Houdry Process Corp Manufacture of gel beads
NL131567C (en) * 1964-11-25 1900-01-01
FR1473239A (en) * 1966-01-31 1967-05-29
DE2100220A1 (en) * 1971-01-05 1972-07-27 Farbenfabriken Bayer Ag, 5090 Leverkusen High porosity silica-base pearl prodn - for use as catalyst carrier

Also Published As

Publication number Publication date
NL7512900A (en) 1976-05-10
ES442322A0 (en) 1977-04-01
NO753687L (en) 1976-05-07
IT1048821B (en) 1980-12-20
JPS5823329B2 (en) 1983-05-14
GB1525386A (en) 1978-09-20
SE411542B (en) 1980-01-14
DE2549411C2 (en) 1988-09-29
CA1064008A (en) 1979-10-09
FR2290395B1 (en) 1980-05-16
SE7512343L (en) 1976-05-07
DE2549411A1 (en) 1976-05-13
NO139678B (en) 1979-01-15
JPS5168497A (en) 1976-06-14
SU784751A3 (en) 1980-11-30
FR2290395A1 (en) 1976-06-04
AU8630875A (en) 1977-05-12
NO139678C (en) 1979-04-25
ZA756937B (en) 1976-10-27

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.

Effective date: 19941031