FI945493A0 - Preparation of Ti (III) -containing solution and its use - Google Patents
Preparation of Ti (III) -containing solution and its useInfo
- Publication number
- FI945493A0 FI945493A0 FI945493A FI945493A FI945493A0 FI 945493 A0 FI945493 A0 FI 945493A0 FI 945493 A FI945493 A FI 945493A FI 945493 A FI945493 A FI 945493A FI 945493 A0 FI945493 A0 FI 945493A0
- Authority
- FI
- Finland
- Prior art keywords
- iii
- preparation
- containing solution
- solution
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/008—Titanium- and titanyl sulfate
-
- 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
- C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
- C01G23/0532—Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing sulfate-containing salts
-
- 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
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
- C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
- C22B3/08—Sulfuric acid, other sulfurated acids or salts thereof
-
- 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
- C22B34/1236—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 wet processes, e.g. by leaching
- C22B34/124—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 wet processes, e.g. by leaching using acidic solutions or liquors
- C22B34/125—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 wet processes, e.g. by leaching using acidic solutions or liquors containing a sulfur ion as active agent
-
- 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
- C22B34/1236—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 wet processes, e.g. by leaching
- C22B34/1259—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 wet processes, e.g. by leaching treatment or purification of titanium containing solutions or liquors or slurries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4339975A DE4339975C2 (en) | 1993-11-24 | 1993-11-24 | Process for the preparation of a solution containing Ti (III) and its use |
Publications (2)
Publication Number | Publication Date |
---|---|
FI945493A0 true FI945493A0 (en) | 1994-11-22 |
FI945493A FI945493A (en) | 1995-05-25 |
Family
ID=6503282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI945493A FI945493A (en) | 1993-11-24 | 1994-11-22 | Preparation of Ti (III) -containing solution and its use |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0654540B1 (en) |
BR (1) | BR9404702A (en) |
DE (2) | DE4339975C2 (en) |
ES (1) | ES2113037T3 (en) |
FI (1) | FI945493A (en) |
NO (1) | NO944492L (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4339976C2 (en) * | 1993-11-24 | 1996-12-19 | Bayer Ag | Process for the production of titanium dioxide by the sulfate process |
DE102007032417A1 (en) * | 2007-07-10 | 2009-01-15 | Tronox Pigments Gmbh | Method for producing titanium dioxide by sulfate method, involves digesting titanium containing raw material with sulfuric acid to form unreduced titanium and iron containing digestion solution |
EP3121295A1 (en) * | 2015-07-23 | 2017-01-25 | Kronos International, Inc. | Method for the reduction of trivalent iron in the manufacture of titanium dioxide in a sulfate method |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2049504A (en) * | 1934-09-21 | 1936-08-04 | Du Pont | Cyclic process for reducing titanium sulphate liquors |
US2416216A (en) * | 1942-09-19 | 1947-02-18 | Nat Lead Co | Method for the preparation of titanium solutions |
SU373257A1 (en) * | 1970-12-15 | 1973-03-12 | METHOD FOR DECOMPOSITION OF TITANIUM CONCENTRATES | |
US4288417A (en) * | 1979-08-10 | 1981-09-08 | Nl Industries, Inc. | Process for manufacturing titanium dioxide |
SU1154207A1 (en) * | 1983-10-04 | 1985-05-07 | Konstantin U Konotopchik | Method of decomposing titanium concentrates |
DE4339976C2 (en) * | 1993-11-24 | 1996-12-19 | Bayer Ag | Process for the production of titanium dioxide by the sulfate process |
-
1993
- 1993-11-24 DE DE4339975A patent/DE4339975C2/en not_active Expired - Fee Related
-
1994
- 1994-11-11 EP EP94117839A patent/EP0654540B1/en not_active Expired - Lifetime
- 1994-11-11 ES ES94117839T patent/ES2113037T3/en not_active Expired - Lifetime
- 1994-11-11 DE DE59405372T patent/DE59405372D1/en not_active Expired - Fee Related
- 1994-11-22 FI FI945493A patent/FI945493A/en not_active Application Discontinuation
- 1994-11-23 NO NO944492A patent/NO944492L/en unknown
- 1994-11-23 BR BR9404702A patent/BR9404702A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
BR9404702A (en) | 1995-07-18 |
EP0654540A1 (en) | 1995-05-24 |
DE59405372D1 (en) | 1998-04-09 |
DE4339975C2 (en) | 1996-08-29 |
FI945493A (en) | 1995-05-25 |
EP0654540B1 (en) | 1998-03-04 |
NO944492L (en) | 1995-05-26 |
NO944492D0 (en) | 1994-11-23 |
ES2113037T3 (en) | 1998-04-16 |
DE4339975A1 (en) | 1995-06-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |