CA1061572A - Method of selectively bringing into solution the non-ferrous metals contained in sulphurized ores and concentrates - Google Patents
Method of selectively bringing into solution the non-ferrous metals contained in sulphurized ores and concentratesInfo
- Publication number
- CA1061572A CA1061572A CA226,960A CA226960A CA1061572A CA 1061572 A CA1061572 A CA 1061572A CA 226960 A CA226960 A CA 226960A CA 1061572 A CA1061572 A CA 1061572A
- Authority
- CA
- Canada
- Prior art keywords
- chloride
- solution
- ferrous
- solubilizing
- ores
- 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
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 35
- 239000002184 metal Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000012141 concentrate Substances 0.000 title claims abstract description 22
- -1 ferrous metals Chemical class 0.000 title abstract description 11
- 239000000243 solution Substances 0.000 claims abstract description 69
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims abstract description 63
- 229960003280 cupric chloride Drugs 0.000 claims abstract description 31
- 239000010949 copper Substances 0.000 claims abstract description 25
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052802 copper Inorganic materials 0.000 claims abstract description 22
- 239000011133 lead Substances 0.000 claims abstract description 21
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000011701 zinc Substances 0.000 claims abstract description 18
- 238000011069 regeneration method Methods 0.000 claims abstract description 15
- 230000008929 regeneration Effects 0.000 claims abstract description 14
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000007864 aqueous solution Substances 0.000 claims abstract description 13
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 13
- 239000005864 Sulphur Substances 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 229910052598 goethite Inorganic materials 0.000 claims abstract description 10
- AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 claims abstract description 10
- 238000011065 in-situ storage Methods 0.000 claims abstract description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 35
- 229910021591 Copper(I) chloride Inorganic materials 0.000 claims description 26
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 claims description 26
- 229940045803 cuprous chloride Drugs 0.000 claims description 25
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 21
- 229960002089 ferrous chloride Drugs 0.000 claims description 20
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 claims description 20
- 150000002500 ions Chemical class 0.000 claims description 16
- 230000003381 solubilizing effect Effects 0.000 claims description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 230000001172 regenerating effect Effects 0.000 claims description 8
- 229910052717 sulfur Inorganic materials 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 229910001510 metal chloride Inorganic materials 0.000 claims description 6
- 229910052976 metal sulfide Inorganic materials 0.000 claims description 6
- 239000011541 reaction mixture Substances 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 4
- 239000011593 sulfur Substances 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 235000019270 ammonium chloride Nutrition 0.000 claims description 2
- 229910001448 ferrous ion Inorganic materials 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims 2
- 229910052793 cadmium Inorganic materials 0.000 claims 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims 2
- 229910017052 cobalt Inorganic materials 0.000 claims 2
- 239000010941 cobalt Substances 0.000 claims 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims 2
- 229910052709 silver Inorganic materials 0.000 claims 2
- 239000004332 silver Substances 0.000 claims 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 229910001514 alkali metal chloride Inorganic materials 0.000 claims 1
- 229910001617 alkaline earth metal chloride Inorganic materials 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 29
- 229910052742 iron Inorganic materials 0.000 abstract description 15
- 238000005188 flotation Methods 0.000 abstract description 7
- 150000002739 metals Chemical class 0.000 abstract description 7
- 239000010970 precious metal Substances 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 36
- 235000008504 concentrate Nutrition 0.000 description 17
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 16
- 235000011167 hydrochloric acid Nutrition 0.000 description 14
- 229960000443 hydrochloric acid Drugs 0.000 description 14
- 239000000203 mixture Substances 0.000 description 13
- 238000004090 dissolution Methods 0.000 description 11
- 239000002253 acid Substances 0.000 description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 239000002585 base Substances 0.000 description 4
- VMQMZMRVKUZKQL-UHFFFAOYSA-N Cu+ Chemical compound [Cu+] VMQMZMRVKUZKQL-UHFFFAOYSA-N 0.000 description 3
- 150000001805 chlorine compounds Chemical class 0.000 description 3
- ATADHKWKHYVBTJ-UHFFFAOYSA-N hydron;4-[1-hydroxy-2-(methylamino)ethyl]benzene-1,2-diol;chloride Chemical compound Cl.CNCC(O)C1=CC=C(O)C(O)=C1 ATADHKWKHYVBTJ-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 101001047513 Mus musculus Lethal(2) giant larvae protein homolog 1 Proteins 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical compound [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 description 2
- 229910052951 chalcopyrite Inorganic materials 0.000 description 2
- 238000011978 dissolution method Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 150000004763 sulfides Chemical class 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical class CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241000518994 Conta Species 0.000 description 1
- 229910021592 Copper(II) chloride Inorganic materials 0.000 description 1
- 241001092591 Flota Species 0.000 description 1
- 101150100369 Hus1 gene Proteins 0.000 description 1
- 101100328463 Mus musculus Cmya5 gene Proteins 0.000 description 1
- 208000036366 Sensation of pressure Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- MCWXGJITAZMZEV-UHFFFAOYSA-N dimethoate Chemical compound CNC(=O)CSP(=S)(OC)OC MCWXGJITAZMZEV-UHFFFAOYSA-N 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- HWSZZLVAJGOAAY-UHFFFAOYSA-L lead(II) chloride Chemical compound Cl[Pb]Cl HWSZZLVAJGOAAY-UHFFFAOYSA-L 0.000 description 1
- 235000015250 liver sausages Nutrition 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005063 solubilization Methods 0.000 description 1
- 230000007928 solubilization Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 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
- 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
-
- 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
- C22B3/10—Hydrochloric acid, other halogenated acids or salts thereof
-
- 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)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Electrolytic Production Of Metals (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7416773A FR2271298B1 (en, 2012) | 1974-05-15 | 1974-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1061572A true CA1061572A (en) | 1979-09-04 |
Family
ID=9138854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA226,960A Expired CA1061572A (en) | 1974-05-15 | 1975-05-14 | Method of selectively bringing into solution the non-ferrous metals contained in sulphurized ores and concentrates |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4230487A (en, 2012) |
| JP (1) | JPS5743136B2 (en, 2012) |
| BE (1) | BE828768A (en, 2012) |
| CA (1) | CA1061572A (en, 2012) |
| ES (1) | ES437686A1 (en, 2012) |
| FR (1) | FR2271298B1 (en, 2012) |
| GB (1) | GB1478571A (en, 2012) |
| OA (1) | OA04998A (en, 2012) |
| ZA (1) | ZA753152B (en, 2012) |
| ZM (1) | ZM9475A1 (en, 2012) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52108302A (en) * | 1976-03-09 | 1977-09-10 | Nippon Shinkinzoku Kk | Method of recovering useful metal |
| US4902343A (en) * | 1976-07-20 | 1990-02-20 | Societe Miniere Et Metallurgique De Penarroya | Hydrometallurgical process for the treatment of sulphidized compounds containing lead |
| FI64645C (fi) * | 1980-08-20 | 1983-12-12 | Outokumpu Oy | Foerfarande och anordning foer klorerande foeraongning av metaller som foerorenar oxidiska jaernmalmer eller -koncentrat |
| AU538566B2 (en) * | 1980-10-06 | 1984-08-16 | Cyprus Metallurgical Processes Corporation | Cuprous chloride production from chalcopyrite |
| NO802986L (no) * | 1980-10-07 | 1982-04-13 | Elkem As | E fremgangsmaate ved utlutning av metallsulfidholdig material |
| US4378275A (en) * | 1981-12-03 | 1983-03-29 | Saudi-Sudanese Red Sea Joint Commission | Metal sulphide extraction |
| US4384890A (en) * | 1982-02-10 | 1983-05-24 | Phelps Dodge Corporation | Cupric chloride leaching of copper sulfides |
| FR2532294B1 (fr) * | 1982-08-24 | 1985-07-19 | Minemet Rech Sa | Procede pour la dissolution selective du plomb, du nickel et du cobalt |
| US4536214A (en) * | 1983-07-07 | 1985-08-20 | Duval Corporation | Metal sulphide extraction |
| US4551213A (en) * | 1984-05-07 | 1985-11-05 | Duval Corporation | Recovery of gold |
| US4594132A (en) * | 1984-06-27 | 1986-06-10 | Phelps Dodge Corporation | Chloride hydrometallurgical process for production of copper |
| RU2119962C1 (ru) * | 1997-03-12 | 1998-10-10 | Институт химии и химико-металлургических процессов СО РАН | Способ переработки сульфидных полиметаллических материалов |
| JP4360696B2 (ja) * | 1997-03-27 | 2009-11-11 | 日鉱金属株式会社 | バクテリアを用いた硫化銅鉱からの銅浸出方法 |
| 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 |
| FI115534B (fi) * | 2002-10-15 | 2005-05-31 | Outokumpu Oy | Menetelmä metallien talteenottamiseksi kloridiliuotuksen ja uuton avulla |
| RU2339708C1 (ru) * | 2007-04-16 | 2008-11-27 | Государственное образовательное учреждение высшего профессионального образования "Московский государственный институт стали и сплавов" (технологический университет) | Способ выщелачивания продуктов, содержащих сульфиды металлов |
| JP5069173B2 (ja) * | 2008-03-27 | 2012-11-07 | Ｊｘ日鉱日石金属株式会社 | 鉱物からの銅の回収方法 |
| RU2573306C1 (ru) * | 2014-07-03 | 2016-01-20 | Публичное акционерное общество "Горно-металлургическая компания "Норильский никель" | Способ переработки сульфидных пирротин-пентландитовых концентратов, содержащих драгоценные металлы |
| US10961633B2 (en) * | 2015-04-13 | 2021-03-30 | The Doe Run Resources Corporation | Recovery of copper from copper-containing sulfide ores |
| RU2626257C1 (ru) * | 2016-05-13 | 2017-07-25 | Публичное акционерное общество "Горно-металлургическая компания "Норильский никель" | Способ переработки сульфидных пирротин-пентландитовых концентратов, содержащих драгоценные металлы |
| CN112221695B (zh) * | 2020-09-28 | 2022-09-30 | 穆索诺伊矿业简易股份有限公司 | 一种不同氧化率氧化铜矿的选冶联合提铜方法 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US704639A (en) * | 1899-09-27 | 1902-07-15 | Carl Hoepfner | Leaching and extraction of metals from their ores. |
| US695126A (en) * | 1899-12-08 | 1902-03-11 | James Swinburne | Process of extracting metals from sulfid ores. |
| US1539711A (en) * | 1919-09-30 | 1925-05-26 | Niels C Christensen | Process of treating ores containing galena |
| US1539714A (en) * | 1920-04-09 | 1925-05-26 | Niels C Christensen | Process of treating sulphide ores of lead, silver, and copper |
| FR96081E (fr) * | 1968-11-08 | 1972-05-19 | Mayor Yoland Pierre Paul | Procédé de récupération du cuivre. |
| US3975189A (en) * | 1971-03-18 | 1976-08-17 | Falconbridge Nickel Mines Limited | Recovery of copper sulphide and nickel from solution |
| FR2138330B1 (en, 2012) * | 1971-05-24 | 1978-01-27 | Nickel Le | |
| US3785944A (en) * | 1971-10-07 | 1974-01-15 | Duval Corp | Hydrometallurgical process for the production of copper |
| US3849121A (en) * | 1971-11-30 | 1974-11-19 | W Burrows | Zinc oxide recovery process |
| US3896208A (en) * | 1972-06-26 | 1975-07-22 | Ethyl Corp | HCl Treatment of copper sulfide minerals |
| FR2262698B1 (en, 2012) * | 1974-02-28 | 1976-10-08 | Penarroya Miniere Metallurg |
-
1974
- 1974-05-15 FR FR7416773A patent/FR2271298B1/fr not_active Expired
-
1975
- 1975-05-06 BE BE156091A patent/BE828768A/xx not_active IP Right Cessation
- 1975-05-14 ES ES437686A patent/ES437686A1/es not_active Expired
- 1975-05-14 JP JP50058470A patent/JPS5743136B2/ja not_active Expired
- 1975-05-14 CA CA226,960A patent/CA1061572A/en not_active Expired
- 1975-05-15 ZA ZA00753152A patent/ZA753152B/xx unknown
- 1975-05-15 GB GB20571/75A patent/GB1478571A/en not_active Expired
- 1975-05-15 OA OA55496A patent/OA04998A/xx unknown
- 1975-07-04 ZM ZM94/75A patent/ZM9475A1/xx unknown
-
1979
- 1979-09-07 US US06/073,438 patent/US4230487A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5743136B2 (en, 2012) | 1982-09-13 |
| US4230487A (en) | 1980-10-28 |
| ZA753152B (en) | 1976-04-28 |
| ZM9475A1 (en) | 1976-03-22 |
| JPS50155401A (en, 2012) | 1975-12-15 |
| FR2271298B1 (en, 2012) | 1978-08-04 |
| DE2521690A1 (de) | 1975-11-20 |
| ES437686A1 (es) | 1977-02-01 |
| FR2271298A1 (en, 2012) | 1975-12-12 |
| OA04998A (fr) | 1980-11-30 |
| DE2521690B2 (de) | 1976-12-30 |
| AU8118875A (en) | 1976-11-18 |
| GB1478571A (en) | 1977-07-06 |
| BE828768A (fr) | 1975-09-01 |
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