CH378297A - Procédé d'oxydation en phase vapeur - Google Patents
Procédé d'oxydation en phase vapeurInfo
- 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
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)
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 (ru) |
| DE (1) | DE1194827B (ru) |
| GB (1) | GB907211A (ru) |
| NL (1) | NL113022C (ru) |
Cited By (1)
| 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)
| 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 |
| CN103459958B (zh) | 2010-11-26 | 2015-09-09 | 欧文·E·波特 | 气体-颗粒处理器 |
| 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)
| 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. |
| NL145503C (ru) * | 1948-02-20 |
-
0
- NL NL113022D patent/NL113022C/xx active
-
1957
- 1957-11-20 GB GB3622757A patent/GB907211A/en not_active Expired
-
1958
- 1958-11-19 DE DEB51142A patent/DE1194827B/de active Pending
- 1958-11-20 CH CH6640158A patent/CH378297A/fr unknown
Cited By (1)
| 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 |
|---|---|
| DE1194827B (de) | 1965-06-16 |
| NL113022C (ru) | |
| GB907211A (en) | 1962-10-03 |
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