GB1208027A - Process for preparing titanium dioxide - Google Patents
Process for preparing titanium dioxideInfo
- Publication number
- GB1208027A GB1208027A GB5418767A GB5418767A GB1208027A GB 1208027 A GB1208027 A GB 1208027A GB 5418767 A GB5418767 A GB 5418767A GB 5418767 A GB5418767 A GB 5418767A GB 1208027 A GB1208027 A GB 1208027A
- Authority
- GB
- United Kingdom
- Prior art keywords
- fed
- ticl
- reactor
- particles
- reactants
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/16—Oxides
- C30B29/22—Complex oxides
-
- 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
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
1,208,027. TiCl 4 oxidation. SOC. ITALIANA RESINE S.p.A. 28 Nov., 1967 [14 Dec., 1966], No. 54187/67. Heading C1N. In a process for preparing TiO 2 by vapour phase oxidation of TiCl 4 with O 2 , the reactants are fed into the reactor in the form of two separate annular conical jets having an angle of intersection of 50-110 degrees, and a flow of separately fed TiO 2 particles is maintained over the walls of the reactor. The temperature of the particles may be below 100‹ C. at the inlet, and the flow may be such as to maintain the temperature of the products leaving the reactor at below 600‹ C. The particles may be fed in a carrier gas, e.g. product gas. The O 2 may be preheated by burning CO therein. The reactants may be fed at 10-100 m/sec., and the TiCl 4 may contain 1% AlCl 3 .
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT3107466 | 1966-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1208027A true GB1208027A (en) | 1970-10-07 |
Family
ID=11233056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5418767A Expired GB1208027A (en) | 1966-12-14 | 1967-11-28 | Process for preparing titanium dioxide |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR1559690A (en) |
| GB (1) | GB1208027A (en) |
| NL (1) | NL6716641A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7465430B2 (en) | 2004-07-20 | 2008-12-16 | E. I. Du Pont De Nemours And Company | Apparatus for making metal oxide nanopowder |
| US7708975B2 (en) | 2004-07-20 | 2010-05-04 | E.I. Du Pont De Nemours And Company | Process for making metal oxide nanoparticles |
-
1967
- 1967-11-28 GB GB5418767A patent/GB1208027A/en not_active Expired
- 1967-12-07 NL NL6716641A patent/NL6716641A/xx unknown
- 1967-12-13 FR FR1559690D patent/FR1559690A/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7465430B2 (en) | 2004-07-20 | 2008-12-16 | E. I. Du Pont De Nemours And Company | Apparatus for making metal oxide nanopowder |
| US7708975B2 (en) | 2004-07-20 | 2010-05-04 | E.I. Du Pont De Nemours And Company | Process for making metal oxide nanoparticles |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1559690A (en) | 1969-03-14 |
| NL6716641A (en) | 1968-06-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| 435 | Patent endorsed 'licences of right' on the date specified (sect. 35/1949) | ||
| PCNP | Patent ceased through non-payment of renewal fee |