JPS558454B2 - - Google Patents
Info
- Publication number
- JPS558454B2 JPS558454B2 JP1826177A JP1826177A JPS558454B2 JP S558454 B2 JPS558454 B2 JP S558454B2 JP 1826177 A JP1826177 A JP 1826177A JP 1826177 A JP1826177 A JP 1826177A JP S558454 B2 JPS558454 B2 JP S558454B2
- Authority
- JP
- Japan
- 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
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
-
- 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
- C22B34/30—Obtaining chromium, molybdenum or tungsten
- C22B34/32—Obtaining chromium
-
- 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
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
- C22B7/007—Wet processes by acid leaching
-
- 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)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2051676A IT1055953B (it) | 1976-02-24 | 1976-02-24 | Procedimento di decontaminazione di materiale di scarto proveniente dalla lavorazione di minerali di cromo mediante trattamento conzolfo per via umida |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52131992A JPS52131992A (en) | 1977-11-05 |
JPS558454B2 true JPS558454B2 (pt-PT) | 1980-03-04 |
Family
ID=11168102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1826177A Granted JPS52131992A (en) | 1976-02-24 | 1977-02-23 | Method of removing contamination by wet treatment of waste ore produced when treating chromium ore together with sulfur |
Country Status (13)
Country | Link |
---|---|
US (1) | US4139460A (pt-PT) |
JP (1) | JPS52131992A (pt-PT) |
BR (1) | BR7701105A (pt-PT) |
DE (1) | DE2704775C3 (pt-PT) |
ES (1) | ES455970A1 (pt-PT) |
FR (1) | FR2342347A1 (pt-PT) |
GB (1) | GB1544882A (pt-PT) |
IT (1) | IT1055953B (pt-PT) |
MX (1) | MX146210A (pt-PT) |
PL (1) | PL101477B1 (pt-PT) |
RO (1) | RO75854A (pt-PT) |
SU (1) | SU797553A3 (pt-PT) |
ZA (1) | ZA77835B (pt-PT) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010159442A (ja) * | 2009-01-06 | 2010-07-22 | Daido Steel Co Ltd | 還元スラグの処理方法 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4207295A (en) * | 1979-02-13 | 1980-06-10 | Union Carbide Corporation | Processing of chromium ore |
US4259297A (en) * | 1979-09-04 | 1981-03-31 | Olin Corporation | Chromate removal from concentrated chlorate solution by chemical precipitation |
IT1262918B (it) * | 1992-01-21 | 1996-07-22 | Procedimento ed impianto per la riduzione del cromo esavalente contenuto nei residui della lavorazione dei minerali di cromo | |
US6607474B2 (en) | 2000-06-30 | 2003-08-19 | Rmt, Inc. | Method for stabilizing chromium-contaminated materials |
BE1015759A4 (fr) * | 2003-10-31 | 2005-08-02 | Inst Nat Interuniversitaire De | Traitement d'une solution contenant du chrome hexavalent. |
RU2368680C2 (ru) * | 2003-10-31 | 2009-09-27 | ЭНСТИТЮ НАСЬОНАЛЬ ЭНТЕРЮНИВЕРСИТЭР ДЕ СИЛИКАТ, СОЛЬ Э МАТЕРЬЕ (И.Н.И.С.Ма)а.с.б.л. | Способ обезвреживания материала, содержащего шестивалентный хром |
CN111498916B (zh) * | 2020-06-03 | 2022-07-26 | 中国恩菲工程技术有限公司 | 红土镍矿制备氢氧化镍钴过程中去除六价铬的方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2350960A (en) * | 1938-06-07 | 1944-06-06 | Mutual Chemical Company Of Ame | Production and acid treatment of hydrous chromic oxide |
US2246396A (en) * | 1938-06-07 | 1941-06-17 | Mutual Chemical Company | Reduction of chromates to produce chromic oxide |
US2209907A (en) * | 1938-06-29 | 1940-07-30 | Mutual Chemical Company Of Ame | Manufacture of pigments |
US3294680A (en) * | 1964-11-18 | 1966-12-27 | Lancy Lab | Treatment of spent cooling waters |
JPS5025915B1 (pt-PT) * | 1971-02-16 | 1975-08-27 | ||
US3810542A (en) * | 1971-11-26 | 1974-05-14 | Texas Gulf Inc | Process for removing chromium from cooling tower blowdown streams |
CA1026472A (en) * | 1972-07-07 | 1978-02-14 | Universite De Sherbrooke | Removal and recovery of chromium from polluted waters |
US3981965A (en) * | 1972-08-17 | 1976-09-21 | Allied Chemical Corporation | Suppression of water pollution caused by solid wastes containing chromium compounds |
US3901805A (en) * | 1973-10-24 | 1975-08-26 | Dow Badische Co | Removing toxic chromium from industrial effluents |
US3937785A (en) * | 1974-09-17 | 1976-02-10 | Allied Chemical Corporation | Treatment of chromium ore residues to suppress pollution |
-
1976
- 1976-02-24 IT IT2051676A patent/IT1055953B/it active
-
1977
- 1977-02-04 DE DE2704775A patent/DE2704775C3/de not_active Expired
- 1977-02-11 GB GB574177A patent/GB1544882A/en not_active Expired
- 1977-02-14 ZA ZA770835A patent/ZA77835B/xx unknown
- 1977-02-16 MX MX16806477A patent/MX146210A/es unknown
- 1977-02-16 ES ES455970A patent/ES455970A1/es not_active Expired
- 1977-02-18 BR BR7701105A patent/BR7701105A/pt unknown
- 1977-02-18 US US05/770,040 patent/US4139460A/en not_active Expired - Lifetime
- 1977-02-22 RO RO8948177A patent/RO75854A/ro unknown
- 1977-02-23 PL PL1977196200A patent/PL101477B1/pl unknown
- 1977-02-23 JP JP1826177A patent/JPS52131992A/ja active Granted
- 1977-02-23 SU SU772454656A patent/SU797553A3/ru active
- 1977-02-24 FR FR7705407A patent/FR2342347A1/fr active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010159442A (ja) * | 2009-01-06 | 2010-07-22 | Daido Steel Co Ltd | 還元スラグの処理方法 |
Also Published As
Publication number | Publication date |
---|---|
JPS52131992A (en) | 1977-11-05 |
ZA77835B (en) | 1977-12-28 |
GB1544882A (en) | 1979-04-25 |
IT1055953B (it) | 1982-01-11 |
RO75854A (ro) | 1982-04-12 |
DE2704775C3 (de) | 1979-08-30 |
SU797553A3 (ru) | 1981-01-15 |
DE2704775B2 (de) | 1978-11-30 |
FR2342347B1 (pt-PT) | 1983-06-10 |
DE2704775A1 (de) | 1977-08-25 |
ES455970A1 (es) | 1978-01-16 |
US4139460A (en) | 1979-02-13 |
FR2342347A1 (fr) | 1977-09-23 |
PL101477B1 (pl) | 1978-12-30 |
MX146210A (es) | 1982-05-26 |
BR7701105A (pt) | 1977-12-06 |