ES430751A1 - Production of finely divided oxides - Google Patents
Production of finely divided oxidesInfo
- Publication number
- ES430751A1 ES430751A1 ES430751A ES430751A ES430751A1 ES 430751 A1 ES430751 A1 ES 430751A1 ES 430751 A ES430751 A ES 430751A ES 430751 A ES430751 A ES 430751A ES 430751 A1 ES430751 A1 ES 430751A1
- Authority
- ES
- Spain
- Prior art keywords
- finely divided
- production
- divided oxides
- oxygen
- reaction
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/10—Obtaining titanium, zirconium or hafnium
- C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
- C22B34/1218—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by dry processes
- C22B34/1222—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by dry processes using a halogen containing agent
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Saccharide Compounds (AREA)
- Silicon Compounds (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Procedure for the preparation of finely divided oxides of elements whose chlorides are easily volatile, by reaction of the corresponding chlorides with oxygen or with an oxygen-containing gas, at elevated temperatures, characterized in that the reaction is carried out at an overpressure of less than 1, 4 manometric atmospheres. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2350469A DE2350469C2 (en) | 1973-10-08 | 1973-10-08 | Process for the production of finely divided oxides of elements whose chlorides are highly volatile |
Publications (1)
Publication Number | Publication Date |
---|---|
ES430751A1 true ES430751A1 (en) | 1976-11-16 |
Family
ID=5894832
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES430751A Expired ES430751A1 (en) | 1973-10-08 | 1974-10-07 | Production of finely divided oxides |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS5065498A (en) |
BE (1) | BE820780A (en) |
DE (1) | DE2350469C2 (en) |
ES (1) | ES430751A1 (en) |
FI (1) | FI58112C (en) |
FR (1) | FR2246493B1 (en) |
GB (1) | GB1482173A (en) |
IT (1) | IT1022656B (en) |
NL (1) | NL7413179A (en) |
NO (1) | NO138371C (en) |
ZA (1) | ZA746410B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3205213C2 (en) * | 1982-02-13 | 1985-08-22 | Kronos Titan-Gmbh, 5090 Leverkusen | Device for cooling hot gas-TiO? 2? Suspensions from titanium dioxide production by vapor phase oxidation of titanium tetrachloride |
DE3516549A1 (en) * | 1985-05-08 | 1986-11-13 | Hoechst Ag, 6230 Frankfurt | METHOD FOR PRODUCING TITANIUM DIOXIDE CONCENTRATES |
CN113231192B (en) * | 2021-06-16 | 2022-05-27 | 江西省矿产资源保障服务中心 | Beneficiation method for silicon dioxide in silicon-planted ore |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU62581A1 (en) * | 1971-02-11 | 1972-10-30 |
-
1973
- 1973-10-08 DE DE2350469A patent/DE2350469C2/en not_active Expired
-
1974
- 1974-09-25 NO NO743446A patent/NO138371C/en unknown
- 1974-10-07 ES ES430751A patent/ES430751A1/en not_active Expired
- 1974-10-07 FR FR7433655A patent/FR2246493B1/fr not_active Expired
- 1974-10-07 BE BE149281A patent/BE820780A/en not_active IP Right Cessation
- 1974-10-07 JP JP49115438A patent/JPS5065498A/ja active Pending
- 1974-10-07 FI FI2920/74A patent/FI58112C/en active
- 1974-10-07 GB GB43413/74A patent/GB1482173A/en not_active Expired
- 1974-10-07 NL NL7413179A patent/NL7413179A/en active Search and Examination
- 1974-10-07 IT IT28139/74A patent/IT1022656B/en active
- 1974-10-08 ZA ZA00746410A patent/ZA746410B/en unknown
Also Published As
Publication number | Publication date |
---|---|
NO138371C (en) | 1978-08-23 |
DE2350469B1 (en) | 1975-02-06 |
NO743446L (en) | 1975-05-05 |
IT1022656B (en) | 1978-04-20 |
NL7413179A (en) | 1975-04-10 |
JPS5065498A (en) | 1975-06-03 |
FI58112B (en) | 1980-08-29 |
FR2246493B1 (en) | 1978-11-24 |
FI292074A (en) | 1975-04-09 |
FI58112C (en) | 1980-12-10 |
NO138371B (en) | 1978-05-16 |
AU7408274A (en) | 1976-04-15 |
GB1482173A (en) | 1977-08-10 |
FR2246493A1 (en) | 1975-05-02 |
ZA746410B (en) | 1975-10-29 |
BE820780A (en) | 1975-02-03 |
DE2350469C2 (en) | 1975-09-18 |
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