NO944987L - Fremgangsmåte for fremstilling av titandioksyd ved sulfatfremgangsmåten - Google Patents
Fremgangsmåte for fremstilling av titandioksyd ved sulfatfremgangsmåtenInfo
- Publication number
- NO944987L NO944987L NO944987A NO944987A NO944987L NO 944987 L NO944987 L NO 944987L NO 944987 A NO944987 A NO 944987A NO 944987 A NO944987 A NO 944987A NO 944987 L NO944987 L NO 944987L
- Authority
- NO
- Norway
- Prior art keywords
- preparation
- titanium dioxide
- sulphate
- sulphate process
- digestion
- 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
- C01G23/04—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
- 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
-
- 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)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Det er beskrevet en fremgangsmåte for fremstilling av titandioksyd ved oppslutning av oppslutnlngsrester fra tltandloksydfremstllllngen og eventuelt llmenltt med svovelsyre.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19934344162 DE4344162A1 (de) | 1993-12-23 | 1993-12-23 | Verfahren zur Herstellung von Titandioxid nach dem Sulfatverfahren |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO944987D0 NO944987D0 (no) | 1994-12-22 |
| NO944987L true NO944987L (no) | 1995-06-26 |
Family
ID=6505998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO944987A NO944987L (no) | 1993-12-23 | 1994-12-22 | Fremgangsmåte for fremstilling av titandioksyd ved sulfatfremgangsmåten |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0659688B1 (no) |
| BR (1) | BR9405200A (no) |
| DE (2) | DE4344162A1 (no) |
| ES (1) | ES2098097T3 (no) |
| FI (1) | FI946008A7 (no) |
| NO (1) | NO944987L (no) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100430405B1 (ko) * | 1999-04-23 | 2004-05-03 | 주식회사 나노 | 광촉매용 미립 이산화티타늄 분말의 제조방법 |
| WO2001042520A1 (en) * | 1999-12-13 | 2001-06-14 | Pacmin Investments Limited | Method of high-temperature digesting titanium containing material with sulfuric acid |
| DE10106539A1 (de) * | 2001-02-13 | 2002-08-22 | Kerr Mcgee Pigments Gmbh & Co | Verfahren zur Gewinnung von Titandioxid aus Aufschlussrückständen eines Sulfatverfahrens |
| AU2002952157A0 (en) * | 2002-10-18 | 2002-10-31 | Bhp Billiton Innovation Pty Ltd | Production of titania |
| DE10303287A1 (de) * | 2003-01-28 | 2004-07-29 | Sachtleben Chemie Gmbh | Verfahren zur Neutralisation und Wiederverwendung von bei der Herstellung von Titandioxid nach dem Sulfatverfahren entstehenden Aufschlussrückständen |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4288415A (en) * | 1979-08-10 | 1981-09-08 | Nl Industries, Inc. | Process for manufacturing titanium compounds using a reducing agent |
| DE2951749A1 (de) * | 1979-12-21 | 1981-07-02 | Bayer Ag, 5090 Leverkusen | Verfahren zur aufarbeitung von aufschlussrueckstaenden bei der titandioxidherstellung |
| DE4027105A1 (de) * | 1990-08-28 | 1992-03-05 | Bayer Ag | Verfahren zur aufarbeitung von aufschlussrueckstaenden aus der titandioxidproduktion |
-
1993
- 1993-12-23 DE DE19934344162 patent/DE4344162A1/de not_active Withdrawn
-
1994
- 1994-12-12 DE DE59401715T patent/DE59401715D1/de not_active Expired - Fee Related
- 1994-12-12 ES ES94119606T patent/ES2098097T3/es not_active Expired - Lifetime
- 1994-12-12 EP EP19940119606 patent/EP0659688B1/de not_active Expired - Lifetime
- 1994-12-21 FI FI946008A patent/FI946008A7/fi unknown
- 1994-12-21 BR BR9405200A patent/BR9405200A/pt not_active IP Right Cessation
- 1994-12-22 NO NO944987A patent/NO944987L/no not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FI946008L (fi) | 1995-06-24 |
| NO944987D0 (no) | 1994-12-22 |
| EP0659688B1 (de) | 1997-01-29 |
| FI946008A0 (fi) | 1994-12-21 |
| BR9405200A (pt) | 1995-08-01 |
| DE4344162A1 (de) | 1995-06-29 |
| FI946008A7 (fi) | 1995-06-24 |
| DE59401715D1 (de) | 1997-03-13 |
| ES2098097T3 (es) | 1997-04-16 |
| EP0659688A1 (de) | 1995-06-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FC2A | Withdrawal, rejection or dismissal of laid open patent application |