DE2702779A1 - Verfahren zur zinkgewinnung aus einem zink und eisen enthaltenden material - Google Patents
Verfahren zur zinkgewinnung aus einem zink und eisen enthaltenden materialInfo
- Publication number
- DE2702779A1 DE2702779A1 DE19772702779 DE2702779A DE2702779A1 DE 2702779 A1 DE2702779 A1 DE 2702779A1 DE 19772702779 DE19772702779 DE 19772702779 DE 2702779 A DE2702779 A DE 2702779A DE 2702779 A1 DE2702779 A1 DE 2702779A1
- Authority
- DE
- Germany
- Prior art keywords
- solution
- zinc
- copper
- leaching
- sulfuric acid
- Prior art date
- 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.)
- Ceased
Links
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims description 106
- 239000011701 zinc Substances 0.000 title claims description 101
- 229910052725 zinc Inorganic materials 0.000 title claims description 99
- 238000000034 method Methods 0.000 title claims description 61
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 40
- 239000000463 material Substances 0.000 title claims description 38
- 229910052742 iron Inorganic materials 0.000 title claims description 20
- 239000000243 solution Substances 0.000 claims description 162
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 123
- 238000002386 leaching Methods 0.000 claims description 83
- 239000010949 copper Substances 0.000 claims description 61
- 229910052802 copper Inorganic materials 0.000 claims description 60
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 57
- 238000000605 extraction Methods 0.000 claims description 55
- 238000005868 electrolysis reaction Methods 0.000 claims description 18
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 238000000622 liquid--liquid extraction Methods 0.000 claims description 10
- 238000000638 solvent extraction Methods 0.000 claims description 10
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 239000003960 organic solvent Substances 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 239000000376 reactant Substances 0.000 claims description 5
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 4
- 229960001763 zinc sulfate Drugs 0.000 claims description 4
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 4
- -1 H 2 O 2 Substances 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000007800 oxidant agent Substances 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- KFZAUHNPPZCSCR-UHFFFAOYSA-N iron zinc Chemical compound [Fe].[Zn] KFZAUHNPPZCSCR-UHFFFAOYSA-N 0.000 claims 1
- 239000000428 dust Substances 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000012071 phase Substances 0.000 description 11
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 229910052748 manganese Inorganic materials 0.000 description 9
- 239000011572 manganese Substances 0.000 description 9
- 238000003860 storage Methods 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 6
- 238000002425 crystallisation Methods 0.000 description 6
- 230000008025 crystallization Effects 0.000 description 6
- 239000003350 kerosene Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 5
- 239000012074 organic phase Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 229910001369 Brass Inorganic materials 0.000 description 4
- 239000010951 brass Substances 0.000 description 4
- 229910052793 cadmium Inorganic materials 0.000 description 4
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- SEGLCEQVOFDUPX-UHFFFAOYSA-N di-(2-ethylhexyl)phosphoric acid Chemical compound CCCCC(CC)COP(O)(=O)OCC(CC)CCCC SEGLCEQVOFDUPX-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- NYZRMWCPMJEXKL-UHFFFAOYSA-N [Fe].[Cu].[Zn] Chemical compound [Fe].[Cu].[Zn] NYZRMWCPMJEXKL-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- BSRKJFGTFRITNT-AYFQBXJRSA-N (7E)-5,8-diethyl-7-hydroxyiminododecan-6-ol 2-[4-[(Z)-hydroxyiminomethyl]phenyl]-5-nonylphenol Chemical compound CCCCC(CC)C(O)C(=N\O)\C(CC)CCCC.CCCCCCCCCc1ccc(c(O)c1)-c1ccc(\C=N/O)cc1 BSRKJFGTFRITNT-AYFQBXJRSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Inorganic materials O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G3/00—Compounds of copper
- C01G3/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- 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
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
- C22B3/384—Pentavalent phosphorus oxyacids, esters thereof
- C22B3/3844—Phosphonic acid, e.g. H2P(O)(OH)2
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G9/00—Compounds of zinc
- C01G9/06—Sulfates
-
- 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
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0065—Leaching or slurrying
- C22B15/0067—Leaching or slurrying with acids or salts thereof
- C22B15/0071—Leaching or slurrying with acids or salts thereof containing sulfur
-
- 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
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0084—Treating solutions
- C22B15/0089—Treating solutions by chemical methods
-
- 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
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0084—Treating solutions
- C22B15/0089—Treating solutions by chemical methods
- C22B15/0091—Treating solutions by chemical methods by cementation
-
- 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
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/20—Obtaining zinc otherwise than by distilling
- C22B19/22—Obtaining zinc otherwise than by distilling with leaching with acids
-
- 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
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/20—Obtaining zinc otherwise than by distilling
- C22B19/26—Refining solutions containing zinc values, e.g. obtained by leaching zinc ores
-
- 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
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
- C22B3/384—Pentavalent phosphorus oxyacids, esters thereof
- C22B3/3842—Phosphinic acid, e.g. H2P(O)(OH)
-
- 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
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
- C22B3/384—Pentavalent phosphorus oxyacids, esters thereof
- C22B3/3846—Phosphoric acid, e.g. (O)P(OH)3
-
- 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
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/40—Mixtures
- C22B3/402—Mixtures of acyclic or carbocyclic compounds of different types
-
- 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)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
- Electrolytic Production Of Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7600791A SE395913B (sv) | 1976-01-26 | 1976-01-26 | Forfarande for utvinning av zink ur ett material som innehaller zink och jern |
| SE7610685A SE402017B (sv) | 1976-09-27 | 1976-09-27 | Forfarande for utvinning av zink och koppar ur ett material som innehaller zink, koppar och jern enligt patentet 7600791-3 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2702779A1 true DE2702779A1 (de) | 1977-08-04 |
Family
ID=26656688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772702779 Ceased DE2702779A1 (de) | 1976-01-26 | 1977-01-24 | Verfahren zur zinkgewinnung aus einem zink und eisen enthaltenden material |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4124462A (cg-RX-API-DMAC7.html) |
| JP (1) | JPS52115725A (cg-RX-API-DMAC7.html) |
| CA (1) | CA1090143A (cg-RX-API-DMAC7.html) |
| DE (1) | DE2702779A1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2338997A1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1556541A (cg-RX-API-DMAC7.html) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3227240A1 (de) * | 1981-07-24 | 1983-02-10 | Eduardo Dr.-Chem. Madrid Diaz Nogueira | Verfahren zur herstellung von elektrolytischem zink oder hochreinen zinksalzen aus sekundaeren zink-rohmaterialien |
| NL1003219C2 (nl) * | 1995-06-03 | 1998-06-18 | Chemtec Leuna Ges Fuer Chemie | Werkwijze voor het hydrometallurgisch regenereren en verwerken van reststoffen en afval. |
Families Citing this family (44)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2743812C2 (de) * | 1977-09-29 | 1979-04-26 | Th. Goldschmidt Ag, 4300 Essen | Verfahren zur Aufarbeitung von Buntmetallhydroxidschlamm-Abfallen |
| FR2459293B1 (fr) * | 1979-06-15 | 1985-09-27 | Siderurgie Fse Inst Rech | Procede et dispositif de traitement hydrometallurgique des poussieres metallurgiques |
| AT366717B (de) * | 1980-02-06 | 1982-05-10 | Voest Alpine Ag | Verfahren zur hydrometallurgischen aufarbeitung von zink enthaltenden rohmaterialien |
| DE3324133C2 (de) * | 1983-06-07 | 1994-06-16 | Kernforschungsz Karlsruhe | Verfahren zur Reinigung von Rauchgas |
| DE3338258A1 (de) * | 1983-10-21 | 1985-05-02 | Hamm Chemie GmbH, 4100 Duisburg | Verfahren zur aufbereitung von eisen- und zinkhaltigen salzsaeurebeizen |
| EP0154448A3 (en) * | 1984-02-22 | 1986-12-30 | Iron Ore Company of Canada | Process for recovery of zirconium by solvent extraction |
| NL8401796A (nl) * | 1984-06-05 | 1986-01-02 | Pelt & Hooykaas | Werkwijze voor het verwerken van een bij de bereiding van ijzer of staal verkregen ijzerbevattend stof. |
| EP0169997B1 (de) * | 1984-07-28 | 1991-09-18 | Kernforschungszentrum Karlsruhe Gmbh | Verfahren zur Reinigung von Rauchgas |
| CA1228483A (en) * | 1984-09-19 | 1987-10-27 | Donald R. Weir | Process for the pressure oxidation acid leaching of non-ferrous metal and iron-containing sulphidic material |
| US4610722A (en) * | 1985-01-31 | 1986-09-09 | Amax Inc. | Process for metal recovery from steel plant dust |
| GB8504364D0 (en) * | 1985-02-20 | 1985-03-20 | Univ Waterloo | Roasting zinc sulfide ores |
| CA1328353C (en) * | 1985-03-21 | 1994-04-12 | Donald W. Kirk | Recovery of zinc from zinc bearing sulphidic ores and concentrates by controlled oxidation roasting |
| US4721605A (en) * | 1985-07-24 | 1988-01-26 | American Cyanamid Company | Selective removal of metals from aqueous solutions with dithiophosphinic acids |
| US4778520A (en) * | 1987-03-26 | 1988-10-18 | University Of Waterloo | Process for leaching zinc from partially desulfurized zinc concentrates by sulfuric acid |
| FI872488A7 (fi) * | 1987-06-03 | 1988-12-04 | Outokumpu Oy | Tapa sinkkipulverimäärän säätämiseksi poistettaessa epäpuhtauksia sinkkisulfaattiliuoksesta. |
| US4915730A (en) * | 1987-12-10 | 1990-04-10 | Allan Elias | Process and apparatus for recovery of flue dust |
| US4979987A (en) * | 1988-07-19 | 1990-12-25 | First Miss Gold, Inc. | Precious metals recovery from refractory carbonate ores |
| US5128047A (en) * | 1990-04-20 | 1992-07-07 | Rhone-Poulenc Inc. | Sequential separation of metals by controlled pH precipitation |
| ES2041210B1 (es) * | 1992-01-17 | 1994-05-16 | Univ Murcia | Un metodo para el tratamiento de los cementos metalicos en la hidrometalurgia del cinc. |
| DE4204892A1 (de) * | 1992-02-19 | 1993-08-26 | Wiegel Verwaltung Gmbh & Co | Verfahren zur trennung von eisen- und zinksalze enthaltende salzsauerer beizloesung |
| DE4301042C1 (de) * | 1993-01-16 | 1994-04-07 | Metallgesellschaft Ag | Verfahren zur Gewinnung von Zink, Eisen und Mangan aus zink-eisen-manganhaltigen Schlämmen |
| US5788740A (en) * | 1995-03-06 | 1998-08-04 | Bay Zinc Company, Inc. | Method for the hydrometallurgical separation and recovery of biological nutrients, lead, gypsum and cadmium from raw materials |
| FR2737503B1 (fr) * | 1995-08-04 | 1997-10-10 | Wheelabrator Allevard | Procede de preparation de pigments mineraux, pigments mineraux ainsi obtenus, et installation pour la mise en oeuvre d'un tel procede |
| US6027543A (en) * | 1996-06-07 | 2000-02-22 | Shiro Yoshizaki | Method for removing a heavy metal from sludge |
| US6165427A (en) * | 1999-08-23 | 2000-12-26 | The Royal Institution For The Advancement Of Learning (Mcgill University) | Method for removal of heavy metals from aqueous solutions using sodium di-(n-octyl)phosphinate or sodium di-(n-dodecyl) phosphinate |
| ES2159263B1 (es) * | 1999-12-17 | 2002-04-16 | Tecn Reunidas S A | Proceso para la produccion electrolitica de zinc o de compuestos de zinc de alta pureza a partir de materias primas primarias y secundarias de zinc. |
| CA2353002C (en) | 2001-07-13 | 2009-12-01 | Teck Cominco Metals Ltd. | Heap bioleaching process for the extraction of zinc |
| US7455715B2 (en) * | 2001-07-13 | 2008-11-25 | Teck Cominco Metals Ltd. | Heap bioleaching process for the extraction of zinc |
| FI116071B (fi) * | 2003-02-26 | 2005-09-15 | Outokumpu Oy | Menetelmä sinkin talteenottamiseksi vastavirtaliuotuksella |
| US7604783B2 (en) | 2004-12-22 | 2009-10-20 | Placer Dome Technical Services Limited | Reduction of lime consumption when treating refractor gold ores or concentrates |
| ES2268969A1 (es) * | 2005-07-06 | 2007-03-16 | Española Del Zinc, S.A. | Procedimiento para la recuperacion de zinc en forma de sulfato, partiendo de residuos ricos de oxidos de zinc. |
| US8061888B2 (en) | 2006-03-17 | 2011-11-22 | Barrick Gold Corporation | Autoclave with underflow dividers |
| US8252254B2 (en) | 2006-06-15 | 2012-08-28 | Barrick Gold Corporation | Process for reduced alkali consumption in the recovery of silver |
| AU2010270689B2 (en) * | 2009-07-07 | 2015-07-16 | Cytec Technology Corp. | Processes for recovering metals from aqueous solutions |
| US8968698B2 (en) | 2009-07-07 | 2015-03-03 | Cytec Technology Corp. | Processes for recovering metals from aqueous solutions |
| FI122676B (fi) * | 2010-10-12 | 2012-05-15 | Outotec Oyj | Menetelmä sinkkisulfaattipitoisen liuoksen käsittelemiseksi |
| US8524177B2 (en) | 2011-09-09 | 2013-09-03 | Canadus Chemical LLC | Process for purifying zinc oxide |
| BR102013010664B1 (pt) * | 2013-04-30 | 2021-08-31 | Haroldo De Araújo Ponte | Processo para produção de solução de sulfato de zinco, obtido de pó de aciaria, e insumo fertilizante correspondente |
| CN109943717B (zh) * | 2017-12-20 | 2020-09-15 | 有研工程技术研究院有限公司 | 一种从高铁低锌硫酸溶液中综合回收锌铁的方法 |
| US11603597B2 (en) | 2018-08-14 | 2023-03-14 | Massachusetts Institute Of Technology | Production of chemical products using electrochemical flow systems and mediators and associated methods |
| WO2020036676A1 (en) | 2018-08-14 | 2020-02-20 | Massachusetts Institute Of Technology | Production of chemical products using electrochemical flow systems and slug flow and associated methods |
| PT3808861T (pt) | 2019-10-14 | 2022-03-17 | Tecn Reunidas S A | Um processo melhorado para a recuperação de zinco a partir de matérias-primas com zinco |
| US20240336992A1 (en) * | 2021-11-30 | 2024-10-10 | Umicore | Selective leaching |
| JP2024147488A (ja) * | 2023-04-03 | 2024-10-16 | Ｊｆｅスチール株式会社 | 亜鉛の分離回収方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US936762A (en) * | 1909-06-29 | 1909-10-12 | Dominic Crispo | Process for the recovery of copper from cuprous residues. |
| US1922390A (en) * | 1931-04-20 | 1933-08-15 | Glidden Co | Process of recovering zinc from brass scrap and other materials containing zinc |
| US2405302A (en) * | 1943-08-26 | 1946-08-06 | Hudson Bay Mining & Smelting | Composition for and method of purifying electrolytes |
| US3869360A (en) * | 1972-05-08 | 1975-03-04 | William S Kane | Reduction method for separating metal values from ocean floor nodule ore |
| US3966569A (en) * | 1974-01-28 | 1976-06-29 | Mx Processor Reinhardt & Co. Ab | Method of recovering metal from metalliferous waste |
| FR2262699B1 (cg-RX-API-DMAC7.html) * | 1974-02-28 | 1976-12-10 | Commissariat Energie Atomique |
-
1977
- 1977-01-18 CA CA269,961A patent/CA1090143A/en not_active Expired
- 1977-01-24 DE DE19772702779 patent/DE2702779A1/de not_active Ceased
- 1977-01-25 FR FR7702056A patent/FR2338997A1/fr active Granted
- 1977-01-25 GB GB03046/77A patent/GB1556541A/en not_active Expired
- 1977-01-26 JP JP761277A patent/JPS52115725A/ja active Pending
- 1977-01-26 US US05/762,561 patent/US4124462A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3227240A1 (de) * | 1981-07-24 | 1983-02-10 | Eduardo Dr.-Chem. Madrid Diaz Nogueira | Verfahren zur herstellung von elektrolytischem zink oder hochreinen zinksalzen aus sekundaeren zink-rohmaterialien |
| NL1003219C2 (nl) * | 1995-06-03 | 1998-06-18 | Chemtec Leuna Ges Fuer Chemie | Werkwijze voor het hydrometallurgisch regenereren en verwerken van reststoffen en afval. |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2338997A1 (fr) | 1977-08-19 |
| US4124462A (en) | 1978-11-07 |
| CA1090143A (en) | 1980-11-25 |
| GB1556541A (en) | 1979-11-28 |
| JPS52115725A (en) | 1977-09-28 |
| FR2338997B3 (cg-RX-API-DMAC7.html) | 1979-09-28 |
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