CH378297A - Procédé d'oxydation en phase vapeur - Google Patents

Procédé d'oxydation en phase vapeur

Info

Publication number
CH378297A
CH378297A CH6640158A CH6640158A CH378297A CH 378297 A CH378297 A CH 378297A CH 6640158 A CH6640158 A CH 6640158A CH 6640158 A CH6640158 A CH 6640158A CH 378297 A CH378297 A CH 378297A
Authority
CH
Switzerland
Prior art keywords
chamber
reaction
reactants
gas
oxidation
Prior art date
Application number
CH6640158A
Other languages
English (en)
French (fr)
Inventor
Edward Callow Alan
Hughes William
Dennis Groves James
Original Assignee
British Titan Products
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 British Titan Products filed Critical British Titan Products
Publication of CH378297A publication Critical patent/CH378297A/fr

Links

Classifications

    • 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
    • C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • C01B33/181—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process
    • C01B33/183—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process by oxidation or hydrolysis in the vapour phase of silicon compounds such as halides, trichlorosilane, monosilane
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14—Methods for preparing oxides or hydroxides in general
    • C01B13/20—Methods for preparing oxides or hydroxides in general by oxidation of elements in the gaseous state; by oxidation or hydrolysis of compounds in the gaseous state
    • C01B13/22—Methods for preparing oxides or hydroxides in general by oxidation of elements in the gaseous state; by oxidation or hydrolysis of compounds in the gaseous state of halides or oxyhalides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/04—Oxides; Hydroxides
    • C01G23/047—Titanium dioxide
    • C01G23/07—Producing by vapour phase processes, e.g. halide oxidation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Compounds Of Iron (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
CH6640158A 1957-11-20 1958-11-20 Procédé d'oxydation en phase vapeur CH378297A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3622757A GB907211A (en) 1957-11-20 1957-11-20 Vapour phase oxidation of halides

Publications (1)

Publication Number Publication Date
CH378297A true CH378297A (fr) 1964-06-15

Family

ID=10386156

Family Applications (1)

Application Number Title Priority Date Filing Date
CH6640158A CH378297A (fr) 1957-11-20 1958-11-20 Procédé d'oxydation en phase vapeur

Country Status (4)

Country Link
CH (1) CH378297A (de)
DE (1) DE1194827B (de)
GB (1) GB907211A (de)
NL (1) NL113022C (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0342472A1 (de) * 1988-05-19 1989-11-23 Degussa Aktiengesellschaft Kugelförmige, hydrophile Kieselsäure, Verfahren zu seiner Herstellung und Verwendung

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3406012A (en) * 1965-06-16 1968-10-15 Pittsburgh Plate Glass Co Process for classifying pigmentary metal oxide
DE2923182A1 (de) * 1979-06-08 1980-12-18 Degussa Verfahren zur pyrogenen herstellung von feinstteiligem oxid eines matalls und/oder eines metalloids
US4462979A (en) * 1982-02-25 1984-07-31 E. I. Du Pont De Nemours And Company Process for preparing soft TiO2 agglomerates
EP2643649B1 (de) 2010-11-26 2016-09-07 Owen Potter Gaspartikelprozessor
CN114538507B (zh) * 2022-01-24 2024-04-16 龙佰禄丰钛业有限公司 一种控制氯化钛白半成品粒径的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE554633C (de) * 1925-07-26 1932-07-14 Comstock & Wescott Verfahren zur Gewinnung von Eisenoxyd
DE918028C (de) * 1941-01-07 1954-09-16 Erwin Maier Herstellung feinverteilter Oxyde, Sulfide u. dgl., insbesondere Metalloxyde
CH221309A (de) * 1941-12-03 1942-05-31 Hans Dr Preis Verfahren und Vorrichtung zur Herstellung eines fein verteilten Oxydes derjenigen Elemente der Gruppe IVa des periodischen Systems, welche zur Bildung flüchtiger Chloride befähigt sind.
NL80078C (de) * 1948-02-20

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0342472A1 (de) * 1988-05-19 1989-11-23 Degussa Aktiengesellschaft Kugelförmige, hydrophile Kieselsäure, Verfahren zu seiner Herstellung und Verwendung

Also Published As

Publication number Publication date
GB907211A (en) 1962-10-03
NL113022C (de)
DE1194827B (de) 1965-06-16

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