ZA883040B - Method for precipitation of chromium and/or vanadium from waste sulphuric acid from the titanium dioxide production - Google Patents
Method for precipitation of chromium and/or vanadium from waste sulphuric acid from the titanium dioxide productionInfo
- Publication number
- ZA883040B ZA883040B ZA883040A ZA883040A ZA883040B ZA 883040 B ZA883040 B ZA 883040B ZA 883040 A ZA883040 A ZA 883040A ZA 883040 A ZA883040 A ZA 883040A ZA 883040 B ZA883040 B ZA 883040B
- Authority
- ZA
- South Africa
- Prior art keywords
- vanadium
- chromium
- precipitation
- titanium dioxide
- sulphuric acid
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/90—Separation; Purification
- C01B17/901—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/90—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Processing Of Solid Wastes (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1649/87A CH669184A5 (en) | 1987-04-30 | 1987-04-30 | METHOD FOR SEPARATING IMPURITIES, ESPECIALLY CHROME, FROM WASTE SULFURIC ACID. |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA883040B true ZA883040B (en) | 1989-01-25 |
Family
ID=4215394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA883040A ZA883040B (en) | 1987-04-30 | 1988-04-28 | Method for precipitation of chromium and/or vanadium from waste sulphuric acid from the titanium dioxide production |
Country Status (12)
Country | Link |
---|---|
EP (1) | EP0313592B1 (en) |
JP (1) | JPH01503230A (en) |
KR (1) | KR940006033B1 (en) |
AU (1) | AU596001B2 (en) |
CA (1) | CA1329005C (en) |
CH (1) | CH669184A5 (en) |
DE (2) | DE3730950A1 (en) |
ES (1) | ES2007220A6 (en) |
FI (1) | FI86626C (en) |
SU (1) | SU1736332A3 (en) |
WO (1) | WO1988008405A1 (en) |
ZA (1) | ZA883040B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101812593B (en) * | 2010-04-22 | 2011-06-22 | 攀钢集团钢铁钒钛股份有限公司 | Method for depositing vanadium wastewater by utilizing vanadium-extraction tailings and acid ammonium salt |
CN106186064B (en) * | 2016-07-26 | 2017-10-31 | 大连博融新材料股份有限公司 | A kind of method that depth produces high-purity ammonium metavanadate except chromium |
RU2651019C2 (en) * | 2016-09-19 | 2018-04-18 | Федеральное государственное автономное образовательное учреждение высшего образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" | Method for processing liquid wastes of titanium dioxide production |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE578034C (en) * | 1931-06-28 | 1933-06-08 | Dr Paul Weinstock | Purification of sulfuric acid containing metallic impurities |
DE591056C (en) * | 1932-08-23 | 1934-01-16 | Paul Weinstock Dr | Process for purifying sulfuric acid |
DE1119835B (en) * | 1958-04-02 | 1961-12-21 | Willy Carl Ferdinand Buesching | Process and device for the continuous processing of sulphate-containing dilute waste sulfuric acids by means of evaporation |
NL258598A (en) * | 1959-12-03 | |||
LU39457A1 (en) * | 1960-08-24 | 1961-01-25 | ||
US3575853A (en) * | 1968-12-24 | 1971-04-20 | Lab Betz Inc | Waste water treatment |
DE2446117B2 (en) * | 1974-09-27 | 1979-04-26 | Freie Und Hansestadt Hamburg Behoerde Fuer Wirtschaft Und Verkehr, 2000 Hamburg | Device for the separation of complex-bound transition metals from industrial wastewater |
DE2729756A1 (en) * | 1977-07-01 | 1979-01-11 | Kronos Titan Gmbh | CONCN. AND PURIFICN. OF SULPHURIC ACID FROM TITANIUM DI:OXIDE MFR. - by boiling in presence of ferrous sulphate to remove chromium |
-
1987
- 1987-04-30 CH CH1649/87A patent/CH669184A5/en not_active IP Right Cessation
- 1987-09-15 DE DE19873730950 patent/DE3730950A1/en not_active Ceased
-
1988
- 1988-04-26 EP EP88903163A patent/EP0313592B1/en not_active Expired - Lifetime
- 1988-04-26 JP JP63503297A patent/JPH01503230A/en active Granted
- 1988-04-26 WO PCT/CH1988/000081 patent/WO1988008405A1/en active IP Right Grant
- 1988-04-26 KR KR1019880701653A patent/KR940006033B1/en not_active IP Right Cessation
- 1988-04-26 AU AU15977/88A patent/AU596001B2/en not_active Ceased
- 1988-04-26 DE DE8888903163T patent/DE3861843D1/en not_active Expired - Fee Related
- 1988-04-28 CA CA000565304A patent/CA1329005C/en not_active Expired - Fee Related
- 1988-04-28 ZA ZA883040A patent/ZA883040B/en unknown
- 1988-04-29 ES ES8801332A patent/ES2007220A6/en not_active Expired
- 1988-12-07 FI FI885674A patent/FI86626C/en not_active IP Right Cessation
- 1988-12-28 SU SU884613175A patent/SU1736332A3/en active
Also Published As
Publication number | Publication date |
---|---|
DE3730950A1 (en) | 1988-11-10 |
FI885674A (en) | 1988-12-07 |
WO1988008405A1 (en) | 1988-11-03 |
CH669184A5 (en) | 1989-02-28 |
KR940006033B1 (en) | 1994-07-02 |
CA1329005C (en) | 1994-05-03 |
EP0313592B1 (en) | 1991-02-27 |
JPH01503230A (en) | 1989-11-02 |
AU1597788A (en) | 1988-12-02 |
AU596001B2 (en) | 1990-04-12 |
FI86626B (en) | 1992-06-15 |
SU1736332A3 (en) | 1992-05-23 |
FI86626C (en) | 1992-09-25 |
DE3861843D1 (en) | 1991-04-04 |
FI885674A0 (en) | 1988-12-07 |
ES2007220A6 (en) | 1989-06-01 |
JPH0512286B2 (en) | 1993-02-17 |
EP0313592A1 (en) | 1989-05-03 |
KR890700539A (en) | 1989-04-25 |
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