FR2356731B1 - - Google Patents
Info
- Publication number
- FR2356731B1 FR2356731B1 FR7720402A FR7720402A FR2356731B1 FR 2356731 B1 FR2356731 B1 FR 2356731B1 FR 7720402 A FR7720402 A FR 7720402A FR 7720402 A FR7720402 A FR 7720402A FR 2356731 B1 FR2356731 B1 FR 2356731B1
- Authority
- FR
- France
- 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
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/025—Thermal hydrolysis
-
- 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
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
-
- 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)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geology (AREA)
- Thermal Sciences (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/702,301 US4042501A (en) | 1976-07-02 | 1976-07-02 | Purification of iron containing acidic solutions |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2356731A1 FR2356731A1 (fr) | 1978-01-27 |
FR2356731B1 true FR2356731B1 (fr) | 1982-04-02 |
Family
ID=24820658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7720402A Granted FR2356731A1 (fr) | 1976-07-02 | 1977-07-01 | Procede d'extraction des sels de fer des solutions en contenant |
Country Status (6)
Country | Link |
---|---|
US (1) | US4042501A (fr) |
AU (1) | AU506191B2 (fr) |
CA (1) | CA1073434A (fr) |
DE (1) | DE2728234A1 (fr) |
FR (1) | FR2356731A1 (fr) |
GB (1) | GB1538676A (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA80466B (en) * | 1979-02-07 | 1981-02-25 | G Thorsen | Precipitation of metal values from organic media |
US5288495A (en) * | 1981-10-27 | 1994-02-22 | Union Oil Company Of California | Method for controlling pests using stabilized thiocarbonate solutions |
US5360782A (en) * | 1981-10-27 | 1994-11-01 | Union Oil Company Of California | Aqueous solution comprising a thiocarbonate, a sulfide, and an ammoniacal compound |
US5167966A (en) * | 1981-10-27 | 1992-12-01 | Union Oil Company Of California | Stabilized thiocarbonate solutions |
US5332580A (en) * | 1981-10-27 | 1994-07-26 | Union Oil Company Of California | Fumigation method employing an aqueous solution comprising a hexametaphosphate, a thiocarbonate, and a sulfide |
US5013350A (en) * | 1981-10-27 | 1991-05-07 | Union Oil Company Of California | Stabilized thiocarbonate solutions |
US5256424A (en) * | 1981-10-27 | 1993-10-26 | Union Oil Company Of California | Stabilized thiocarbonate solutions |
US5041240A (en) * | 1981-10-27 | 1991-08-20 | Union Oil Company Of California | Stabilized thiocarbonate solutions |
US5112623A (en) * | 1981-10-27 | 1992-05-12 | Union Oil Company Of California | Fumigation methods using a thiocarbonate/urea aqueous composition |
US5165920A (en) * | 1981-10-27 | 1992-11-24 | Union Oil Company Of California | Stabilized thiocarbonates |
US5340593A (en) * | 1981-10-27 | 1994-08-23 | Union Oil Company Of California | Stabilized solid thiocarbonate |
US5022912A (en) | 1981-10-27 | 1991-06-11 | Union Oil Company Of California | Methods for fertilizing with ammoniacal fertilizers |
US9950939B2 (en) * | 2012-01-27 | 2018-04-24 | Ohio University | Technique for removal of organics and dissolved solids from aqueous medias via supercritical treatment |
CN107010673A (zh) * | 2017-04-18 | 2017-08-04 | 中国恩菲工程技术有限公司 | 制备水合铁矾与碱式硫酸铁的混合物的方法 |
CN107312930B (zh) * | 2017-07-07 | 2018-08-28 | 金川集团股份有限公司 | 一种低镍锍硝酸浸出液热解除铁的方法 |
CN115367994A (zh) * | 2022-08-19 | 2022-11-22 | 陕西合兴硅砂有限公司 | 一种光伏玻璃用石英砂的除铁方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2176610A (en) * | 1937-11-13 | 1939-10-17 | North Shore Coke & Chemical Co | Process of working ores of vanadium and uranium |
US2388659A (en) * | 1943-07-12 | 1945-11-06 | Interchem Corp | Manufacture of pigments |
US2643204A (en) * | 1948-10-01 | 1953-06-23 | Bethlehem Steel Corp | Nitric acid pickling |
US2650931A (en) * | 1951-03-30 | 1953-09-01 | Laval Separator Co De | Method of removing metallic contaminants from hydrogenated oils |
US2842436A (en) * | 1956-01-30 | 1958-07-08 | Dasher John Orndorff | Selective rejection of iron and aluminum in hydrometallurgical recovery of metals |
US3043771A (en) * | 1959-09-10 | 1962-07-10 | Universal Oil Prod Co | Process for the removal of sludge from a liquid stream |
US3436177A (en) * | 1968-02-28 | 1969-04-01 | Kennecott Copper Corp | Continuous process for removing multivalent impurities from copper-bearing leach solutions |
GB1242147A (en) * | 1968-04-03 | 1971-08-11 | Union Carbide Canada Ltd | Removal or iron from solution |
US3788982A (en) * | 1972-01-18 | 1974-01-29 | F Zsoldos | Color control of water that is recirculated |
-
1976
- 1976-07-02 US US05/702,301 patent/US4042501A/en not_active Expired - Lifetime
-
1977
- 1977-05-27 CA CA279,305A patent/CA1073434A/fr not_active Expired
- 1977-06-03 GB GB23558/77A patent/GB1538676A/en not_active Expired
- 1977-06-03 AU AU25814/77A patent/AU506191B2/en not_active Expired
- 1977-06-23 DE DE19772728234 patent/DE2728234A1/de not_active Withdrawn
- 1977-07-01 FR FR7720402A patent/FR2356731A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
CA1073434A (fr) | 1980-03-11 |
AU506191B2 (en) | 1979-12-13 |
US4042501A (en) | 1977-08-16 |
DE2728234A1 (de) | 1978-01-12 |
GB1538676A (en) | 1979-01-24 |
FR2356731A1 (fr) | 1978-01-27 |
AU2581477A (en) | 1978-12-07 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |