FI943702A0 - Menetelmä jäterikkihapon käsittelemiseksi - Google Patents
Menetelmä jäterikkihapon käsittelemiseksiInfo
- Publication number
- FI943702A0 FI943702A0 FI943702A FI943702A FI943702A0 FI 943702 A0 FI943702 A0 FI 943702A0 FI 943702 A FI943702 A FI 943702A FI 943702 A FI943702 A FI 943702A FI 943702 A0 FI943702 A0 FI 943702A0
- Authority
- FI
- Finland
- Prior art keywords
- treatment
- sulfuric acid
- residual sulfuric
- residual
- acid
- Prior art date
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
- C22B34/1236—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
- C22B34/1254—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 basic solutions or liquors
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/24—Sulfates of ammonium
- C01C1/242—Preparation from ammonia and sulfuric acid or sulfur trioxide
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Compounds Of Iron (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Removal Of Specific Substances (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Fertilizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4327025 | 1993-08-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
FI943702A0 true FI943702A0 (fi) | 1994-08-10 |
FI943702A FI943702A (fi) | 1995-02-13 |
Family
ID=6494984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI943702A FI943702A (fi) | 1993-08-12 | 1994-08-10 | Menetelmä jäterikkihapon käsittelemiseksi |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0638515B1 (fi) |
JP (1) | JPH082905A (fi) |
AU (1) | AU668313B2 (fi) |
CA (1) | CA2130212A1 (fi) |
DE (1) | DE59409261D1 (fi) |
ES (1) | ES2146628T3 (fi) |
FI (1) | FI943702A (fi) |
NO (1) | NO942973L (fi) |
PL (1) | PL178525B1 (fi) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19812260A1 (de) * | 1998-03-20 | 1999-09-23 | Bayer Ag | Verfahren zur Herstellung von Eisenoxid-Pigmenten aus Dünnsäure aus der TiO¶2¶-Herstellung |
DE19812262A1 (de) | 1998-03-20 | 1999-09-23 | Bayer Ag | Verfahren zur Aufarbeitung von Dünnsäure aus der TiO2-Herstellung |
DE19812261A1 (de) * | 1998-03-20 | 1999-09-23 | Bayer Ag | Verfahren zur Aufarbeitung von Dünnsäure aus der TiO¶2¶-Herstellung |
US6726891B2 (en) | 2000-07-31 | 2004-04-27 | Sumitomo Chemical Company, Limited | Titanium oxide production process |
DE20321107U1 (de) † | 2003-07-17 | 2005-12-15 | Kerr-Mcgee Pigments Gmbh | Zubereitung zur Reduktion des löslichen Chromatgehaltes in Zement |
WO2008034921A1 (es) | 2006-09-18 | 2008-03-27 | Fertinagro Nutrientes, S.L. | Procedimiento de obtención de fertilizantes de subproductos del tio2 y productos asi obtenidos |
CN103572058B (zh) * | 2012-07-31 | 2016-01-20 | 有研稀土新材料股份有限公司 | 一种从硫酸法钛白废液中富集稀土稀有元素和制备白石膏的方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3016286A (en) * | 1960-02-29 | 1962-01-09 | Ishihara Sangyo Kaisha | Method for the treatment of waste acid resulting from titanium dioxide production |
JPS6012283B2 (ja) * | 1975-05-31 | 1985-04-01 | 東ソー株式会社 | 硫酸第一鉄アンモニウムから有価成分の回収方法 |
US4207295A (en) * | 1979-02-13 | 1980-06-10 | Union Carbide Corporation | Processing of chromium ore |
SU923949A1 (ru) * | 1979-12-07 | 1982-04-30 | Proizv Ob Polimir Im 50 Letiya | Способ получения сульфата аммонияi |
DE3115937A1 (de) * | 1981-04-22 | 1982-11-18 | Vajna, Sandor, Dipl.-Ing.Chem. Dr.techn. | Verfahren zur herstellung von praktisch reinen loesungen von alkali- oder ammoniumsulfaten oder von schwefelsaeure aus abwaessern |
DE3123361C2 (de) * | 1981-06-12 | 1983-10-06 | Bayer Ag, 5090 Leverkusen | Verfahren zur Aufarbeitung chrom-(VI)haltiger Lösungen |
DE3524053A1 (de) * | 1985-07-05 | 1987-01-08 | Bayer Antwerpen Nv | Verfahren zur herstellung von hochwertigem titandioxid nach dem sulfatverfahren |
CN1023107C (zh) * | 1990-11-24 | 1993-12-15 | 侯相林 | 镀铬废水中铬的回收方法 |
FR2683217B3 (fr) * | 1991-11-06 | 1994-02-11 | Papailhau Jean Louis | Procede de traitement des effluents acides issus de la fabrication de pigments d'oxyde de titane selon un procede sulfurique. |
JP2968877B2 (ja) * | 1991-11-08 | 1999-11-02 | 日鉄鉱業株式会社 | 金属硫酸塩含有の廃硫酸から硫酸を回収する方法 |
-
1994
- 1994-08-01 DE DE59409261T patent/DE59409261D1/de not_active Expired - Fee Related
- 1994-08-01 ES ES94111966T patent/ES2146628T3/es not_active Expired - Lifetime
- 1994-08-01 EP EP94111966A patent/EP0638515B1/de not_active Expired - Lifetime
- 1994-08-05 AU AU68938/94A patent/AU668313B2/en not_active Ceased
- 1994-08-09 JP JP6206086A patent/JPH082905A/ja active Pending
- 1994-08-09 CA CA002130212A patent/CA2130212A1/en not_active Abandoned
- 1994-08-10 FI FI943702A patent/FI943702A/fi unknown
- 1994-08-10 PL PL94304612A patent/PL178525B1/pl not_active IP Right Cessation
- 1994-08-11 NO NO942973A patent/NO942973L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0638515B1 (de) | 2000-04-05 |
FI943702A (fi) | 1995-02-13 |
CA2130212A1 (en) | 1995-02-13 |
AU6893894A (en) | 1995-02-23 |
DE59409261D1 (de) | 2000-05-11 |
NO942973D0 (no) | 1994-08-11 |
AU668313B2 (en) | 1996-04-26 |
PL304612A1 (en) | 1995-02-20 |
NO942973L (no) | 1995-02-13 |
EP0638515A3 (de) | 1995-09-27 |
JPH082905A (ja) | 1996-01-09 |
PL178525B1 (pl) | 2000-05-31 |
ES2146628T3 (es) | 2000-08-16 |
EP0638515A2 (de) | 1995-02-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GB | Transfer or assigment of application |
Owner name: KERR-MCGEE PIGMENTS GMBH & CO. KG |