DE2605887C2 - Verfahren zur Gewinnung von Kupfer aus kupfer- und eisenhaltigem sulfidischen Erz und Konzentrat durch Elektrolyse - Google Patents
Verfahren zur Gewinnung von Kupfer aus kupfer- und eisenhaltigem sulfidischen Erz und Konzentrat durch ElektrolyseInfo
- Publication number
- DE2605887C2 DE2605887C2 DE2605887A DE2605887A DE2605887C2 DE 2605887 C2 DE2605887 C2 DE 2605887C2 DE 2605887 A DE2605887 A DE 2605887A DE 2605887 A DE2605887 A DE 2605887A DE 2605887 C2 DE2605887 C2 DE 2605887C2
- Authority
- DE
- Germany
- Prior art keywords
- copper
- iron
- electrolyte
- ore
- concentrate
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 42
- 239000010949 copper Substances 0.000 title claims description 36
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims description 29
- 229910052802 copper Inorganic materials 0.000 title claims description 28
- 230000008569 process Effects 0.000 title claims description 19
- 239000012141 concentrate Substances 0.000 title claims description 10
- 238000005868 electrolysis reaction Methods 0.000 title claims description 6
- IYRDVAUFQZOLSB-UHFFFAOYSA-N copper iron Chemical compound [Fe].[Cu] IYRDVAUFQZOLSB-UHFFFAOYSA-N 0.000 title claims description 5
- 238000000605 extraction Methods 0.000 title claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 43
- 239000003792 electrolyte Substances 0.000 claims description 26
- 229910052742 iron Inorganic materials 0.000 claims description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- 239000001301 oxygen Substances 0.000 claims description 11
- 238000007254 oxidation reaction Methods 0.000 claims description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 9
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 9
- 229910052951 chalcopyrite Inorganic materials 0.000 claims description 9
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical compound [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 claims description 9
- -1 copper (I) ions Chemical class 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000010439 graphite Substances 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 5
- 108091005950 Azurite Proteins 0.000 claims description 4
- 241000907663 Siproeta stelenes Species 0.000 claims description 4
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- GWBUNZLLLLDXMD-UHFFFAOYSA-H tricopper;dicarbonate;dihydroxide Chemical compound [OH-].[OH-].[Cu+2].[Cu+2].[Cu+2].[O-]C([O-])=O.[O-]C([O-])=O GWBUNZLLLLDXMD-UHFFFAOYSA-H 0.000 claims description 4
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 229910001431 copper ion Inorganic materials 0.000 claims description 3
- 230000008021 deposition Effects 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 2
- 238000009835 boiling Methods 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 229910021645 metal ion Inorganic materials 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 10
- 239000000243 solution Substances 0.000 description 8
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 239000003929 acidic solution Substances 0.000 description 4
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 4
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 4
- 235000011130 ammonium sulphate Nutrition 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 4
- BWFPGXWASODCHM-UHFFFAOYSA-N copper monosulfide Chemical class [Cu]=S BWFPGXWASODCHM-UHFFFAOYSA-N 0.000 description 4
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 238000009854 hydrometallurgy Methods 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 150000004763 sulfides Chemical class 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 2
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical class [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 241000784732 Lycaena phlaeas Species 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 229910052728 basic metal Inorganic materials 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- BUGICWZUDIWQRQ-UHFFFAOYSA-N copper iron sulfane Chemical compound S.[Fe].[Cu] BUGICWZUDIWQRQ-UHFFFAOYSA-N 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- MSNWSDPPULHLDL-UHFFFAOYSA-K ferric hydroxide Chemical compound [OH-].[OH-].[OH-].[Fe+3] MSNWSDPPULHLDL-UHFFFAOYSA-K 0.000 description 1
- 229910001447 ferric ion Inorganic materials 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 229910052949 galena Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- XCAUINMIESBTBL-UHFFFAOYSA-N lead(ii) sulfide Chemical compound [Pb]=S XCAUINMIESBTBL-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052961 molybdenite Inorganic materials 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 229910052954 pentlandite Inorganic materials 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229910052683 pyrite Inorganic materials 0.000 description 1
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
- 239000011028 pyrite Substances 0.000 description 1
- 229910052952 pyrrhotite Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0084—Treating solutions
- C22B15/0089—Treating solutions by chemical methods
- C22B15/0093—Treating solutions by chemical methods by gases, e.g. hydrogen or hydrogen sulfide
-
- 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
- C22B15/0069—Leaching or slurrying with acids or salts thereof containing halogen
-
- 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
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
- C25C1/12—Electrolytic production, recovery or refining of metals by electrolysis of solutions of copper
-
- 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)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Electrolytic Production Of Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPC061575 | 1975-02-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2605887A1 DE2605887A1 (de) | 1976-08-26 |
| DE2605887C2 true DE2605887C2 (de) | 1986-04-03 |
Family
ID=3766122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2605887A Expired DE2605887C2 (de) | 1975-02-14 | 1976-02-13 | Verfahren zur Gewinnung von Kupfer aus kupfer- und eisenhaltigem sulfidischen Erz und Konzentrat durch Elektrolyse |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US4061552A (forum.php) |
| AR (1) | AR212810A1 (forum.php) |
| BR (1) | BR7600886A (forum.php) |
| CA (1) | CA1068643A (forum.php) |
| DE (1) | DE2605887C2 (forum.php) |
| ES (1) | ES445459A1 (forum.php) |
| FI (1) | FI61049C (forum.php) |
| GB (1) | GB1496852A (forum.php) |
| IN (1) | IN145245B (forum.php) |
| IT (1) | IT1055266B (forum.php) |
| NL (1) | NL184914C (forum.php) |
| NO (1) | NO140894C (forum.php) |
| OA (1) | OA05400A (forum.php) |
| PH (1) | PH15170A (forum.php) |
| SE (1) | SE418199B (forum.php) |
| YU (1) | YU31576A (forum.php) |
| ZA (1) | ZA76885B (forum.php) |
| ZM (1) | ZM2276A1 (forum.php) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX171716B (es) * | 1982-12-10 | 1993-11-11 | Dextec Metallurg | Un electrodo para una celda electrolitica para la recuperacion de metales de minerales metaliferos o concentrados y metodo para fabricarlo |
| SE8504500D0 (sv) * | 1985-09-30 | 1985-09-30 | Boliden Ab | Forfarande och anordning for utvinning av koppar ur koppar-jernsulfidmalmer |
| JP3431148B2 (ja) * | 1992-04-01 | 2003-07-28 | アールエムジー サービス プロプライアタリー リミテッド | 金属の化合物からの金属の回収用の電気化学系 |
| US5882502A (en) * | 1992-04-01 | 1999-03-16 | Rmg Services Pty Ltd. | Electrochemical system and method |
| AP538A (en) * | 1992-06-26 | 1996-09-18 | Intec Pty Ltd | Production of metal from minerals |
| AU707701B2 (en) * | 1995-09-25 | 1999-07-15 | Gomez, Rodolfo Antonio M. | Electrochemical system |
| EP0854941A4 (en) * | 1995-09-25 | 1998-12-09 | Rmg Services Pty Ltd | ELECTROCHEMICAL SYSTEM |
| US5622615A (en) * | 1996-01-04 | 1997-04-22 | The University Of British Columbia | Process for electrowinning of copper matte |
| US8097132B2 (en) * | 2006-07-04 | 2012-01-17 | Luis Antonio Canales Miranda | Process and device to obtain metal in powder, sheet or cathode from any metal containing material |
| WO2008061310A1 (en) * | 2006-11-24 | 2008-05-29 | Heathgate Resources Pty Ltd | Regeneration of a lixiviant |
| RU2380437C2 (ru) * | 2007-11-01 | 2010-01-27 | Институт вулканологии и сейсмологии ДВО РАН | Способ извлечения меди из оксидных или сульфидных руд и их концентратов |
| US8877032B2 (en) | 2009-11-02 | 2014-11-04 | Dan Prokop | Generation of chemical reagents for various process functions utilizing an agitated liquid and electrically conductive environment and an electro chemical cell |
| US8505642B2 (en) | 2009-11-05 | 2013-08-13 | Firetrace Usa, Llc | Methods and apparatus for dual stage hazard control system |
| CN103014779B (zh) * | 2012-03-18 | 2015-07-29 | 英德佳纳金属科技有限公司 | 一种多级矿浆分解电积槽及分解电积联合工艺 |
| US10400306B2 (en) | 2014-05-12 | 2019-09-03 | Summit Mining International Inc. | Brine leaching process for recovering valuable metals from oxide materials |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3687827A (en) * | 1971-01-25 | 1972-08-29 | Dow Chemical Co | Electrolytic reduction of halogenated halomethylpyridine |
| US3673061A (en) * | 1971-02-08 | 1972-06-27 | Cyprus Metallurg Process | Process for the recovery of metals from sulfide ores through electrolytic dissociation of the sulfides |
| CA1030098A (en) * | 1973-04-09 | 1978-04-25 | Hydrion Industries Ltd. | Direct recovery of metals from sulphide ores by leaching and electrolysis |
| US3923616A (en) * | 1973-10-01 | 1975-12-02 | Du Pont | Recovery of metal values from ores |
| US3901776A (en) * | 1974-11-14 | 1975-08-26 | Cyprus Metallurg Process | Process for the recovery of copper from its sulfide ores |
-
1976
- 1976-01-27 GB GB3180/76A patent/GB1496852A/en not_active Expired
- 1976-02-02 US US05/654,391 patent/US4061552A/en not_active Expired - Lifetime
- 1976-02-10 SE SE7601441A patent/SE418199B/xx not_active IP Right Cessation
- 1976-02-11 YU YU00315/76A patent/YU31576A/xx unknown
- 1976-02-11 BR BR7600886A patent/BR7600886A/pt unknown
- 1976-02-12 NO NO76760453A patent/NO140894C/no unknown
- 1976-02-12 FI FI760346A patent/FI61049C/fi not_active IP Right Cessation
- 1976-02-13 DE DE2605887A patent/DE2605887C2/de not_active Expired
- 1976-02-13 CA CA245,700A patent/CA1068643A/en not_active Expired
- 1976-02-13 PH PH18093A patent/PH15170A/en unknown
- 1976-02-13 ZM ZM22/76A patent/ZM2276A1/xx unknown
- 1976-02-13 AR AR262269A patent/AR212810A1/es active
- 1976-02-13 ZA ZA885A patent/ZA76885B/xx unknown
- 1976-02-13 ES ES445459A patent/ES445459A1/es not_active Expired
- 1976-02-13 IT IT20145/76A patent/IT1055266B/it active
- 1976-07-12 IN IN1251/CAL/1976A patent/IN145245B/en unknown
- 1976-07-16 NL NLAANVRAGE7607887,A patent/NL184914C/xx not_active IP Right Cessation
- 1976-07-27 OA OA55898A patent/OA05400A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE7601441L (sv) | 1976-08-16 |
| NO760453L (forum.php) | 1976-08-17 |
| DE2605887A1 (de) | 1976-08-26 |
| CA1068643A (en) | 1979-12-25 |
| SE418199B (sv) | 1981-05-11 |
| FI61049C (fi) | 1982-05-10 |
| ES445459A1 (es) | 1977-06-01 |
| FI61049B (fi) | 1982-01-29 |
| YU31576A (en) | 1982-06-30 |
| GB1496852A (en) | 1978-01-05 |
| PH15170A (en) | 1982-08-31 |
| NL184914C (nl) | 1989-12-01 |
| ZM2276A1 (en) | 1977-09-21 |
| NO140894C (no) | 1979-12-05 |
| NL7607887A (nl) | 1978-01-18 |
| IT1055266B (it) | 1981-12-21 |
| NO140894B (no) | 1979-08-27 |
| IN145245B (forum.php) | 1978-09-16 |
| ZA76885B (en) | 1977-01-26 |
| OA05400A (fr) | 1981-02-28 |
| NL184914B (nl) | 1989-07-03 |
| US4061552A (en) | 1977-12-06 |
| FI760346A7 (forum.php) | 1976-08-15 |
| AR212810A1 (es) | 1978-10-13 |
| BR7600886A (pt) | 1976-09-14 |
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