IT1048821B - Processo per la preparazione di particelle di silice globulari - Google Patents

Processo per la preparazione di particelle di silice globulari

Info

Publication number
IT1048821B
IT1048821B IT28982/75A IT2898275A IT1048821B IT 1048821 B IT1048821 B IT 1048821B IT 28982/75 A IT28982/75 A IT 28982/75A IT 2898275 A IT2898275 A IT 2898275A IT 1048821 B IT1048821 B IT 1048821B
Authority
IT
Italy
Prior art keywords
preparation
silica particles
globular silica
globular
particles
Prior art date
Application number
IT28982/75A
Other languages
English (en)
Original Assignee
Shell Int Research
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 Shell Int Research filed Critical Shell Int Research
Application granted granted Critical
Publication of IT1048821B publication Critical patent/IT1048821B/it

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D301/00Preparation of oxiranes
    • C07D301/02Synthesis of the oxirane ring
    • C07D301/03Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
    • C07D301/19Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with organic hydroperoxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02Processes 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
    • B01J2/06Processes 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
    • B01J2/08Gelation of a colloidal solution
    • 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76Catalysts 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
    • B01J23/84Catalysts 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/50Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/51Spheres
    • 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
    • C01B33/14Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/152Preparation of hydrogels
    • C01B33/154Preparation of hydrogels by acidic treatment of aqueous silicate solutions
    • C01B33/1546Preparation 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D301/00Preparation of oxiranes
    • C07D301/02Synthesis of the oxirane ring
    • C07D301/03Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
    • C07D301/14Synthesis 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
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING 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
    • C10G45/00Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
    • C10G45/02Refining 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
    • C10G45/04Refining 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
    • C10G45/06Refining 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
    • C10G45/08Refining 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Silicon Compounds (AREA)
  • Catalysts (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Epoxy Compounds (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
IT28982/75A 1974-11-06 1975-11-03 Processo per la preparazione di particelle di silice globulari IT1048821B (it)

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
IT1048821B true IT1048821B (it) 1980-12-20

Family

ID=10446985

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28982/75A IT1048821B (it) 1974-11-06 1975-11-03 Processo per la preparazione di particelle di silice globulari

Country Status (13)

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

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 (nl) * 1981-11-06 1983-06-01 Shell Int Research Inrichting voor het klassificeren van katalysatordeeltjes en katalytische werkwijze waarbij gebruik wordt gemaakt van katalysatordeeltjes die met genoemde inrichting zijn geklassificeerd.
GB8419708D0 (en) * 1984-08-02 1984-09-05 Shell Int Research Preparation of silica spheres
JPS6316049A (ja) * 1986-07-08 1988-01-23 Fuji Debuison Kagaku Kk 流動床用触媒担体
BE1004675A3 (fr) * 1991-03-11 1993-01-12 Solvay Procede d'obtention de particules microspheroidales homodisperses, particules microspheroidales de silice a surface specifique elevee, catalyseurs supportes sur ces particules et procede de polymerisation des alpha-olefines en presence de ces catalyseurs.
DE69728341T2 (de) * 1996-10-07 2004-12-30 Kabushiki Kaisha Toyota Chuo Kenkyusho Verbundoxid, Verbundoxidträger und Katalysator
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 (fr) * 1951-04-19 1953-09-01 Davison Chemical Corp Procédé de préparation de microsphères de catalyseur silice-alumine
US2813836A (en) * 1953-03-25 1957-11-19 Houdry Process Corp Manufacture of gel beads
NL131567C (it) * 1964-11-25 1900-01-01
FR1473239A (it) * 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
NO753687L (it) 1976-05-07
DE2549411A1 (de) 1976-05-13
NL7512900A (nl) 1976-05-10
AU8630875A (en) 1977-05-12
GB1525386A (en) 1978-09-20
JPS5823329B2 (ja) 1983-05-14
FR2290395B1 (it) 1980-05-16
ZA756937B (en) 1976-10-27
FR2290395A1 (fr) 1976-06-04
NO139678B (no) 1979-01-15
BE834924A (nl) 1976-04-28
ES442322A0 (es) 1977-04-01
JPS5168497A (it) 1976-06-14
NO139678C (no) 1979-04-25
CA1064008A (en) 1979-10-09
DE2549411C2 (de) 1988-09-29
SE7512343L (sv) 1976-05-07
SE411542B (sv) 1980-01-14
SU784751A3 (ru) 1980-11-30

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19931127