NO133903B - - Google Patents
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- Publication number
- NO133903B NO133903B NO321/72*[A NO32172A NO133903B NO 133903 B NO133903 B NO 133903B NO 32172 A NO32172 A NO 32172A NO 133903 B NO133903 B NO 133903B
- Authority
- NO
- Norway
- Prior art keywords
- electrolyte
- lead
- medium
- copper
- zinc
- Prior art date
Links
- 238000000034 method Methods 0.000 claims abstract description 56
- 229910052751 metal Inorganic materials 0.000 claims abstract description 31
- 239000002184 metal Substances 0.000 claims abstract description 31
- 150000002739 metals Chemical class 0.000 claims abstract description 22
- 239000003792 electrolyte Substances 0.000 claims description 46
- 239000011133 lead Substances 0.000 claims description 31
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 26
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 26
- 229910052802 copper Inorganic materials 0.000 claims description 26
- 239000010949 copper Substances 0.000 claims description 26
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 23
- 150000004763 sulfides Chemical class 0.000 claims description 22
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 18
- 229910052725 zinc Inorganic materials 0.000 claims description 18
- 239000011701 zinc Substances 0.000 claims description 18
- 229910052759 nickel Inorganic materials 0.000 claims description 13
- 239000010941 cobalt Substances 0.000 claims description 11
- 229910017052 cobalt Inorganic materials 0.000 claims description 11
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 11
- 230000002378 acidificating effect Effects 0.000 claims description 10
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 9
- 229910052709 silver Inorganic materials 0.000 claims description 9
- 239000004332 silver Substances 0.000 claims description 9
- 229910001617 alkaline earth metal chloride Inorganic materials 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical class [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 claims description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 5
- 229910052737 gold Inorganic materials 0.000 claims description 5
- 239000010931 gold Substances 0.000 claims description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Inorganic materials [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 5
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims description 4
- 229910001514 alkali metal chloride Inorganic materials 0.000 claims description 4
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 4
- 229910052787 antimony Inorganic materials 0.000 claims description 4
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 4
- 229910052785 arsenic Inorganic materials 0.000 claims description 4
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 4
- 229910052711 selenium Inorganic materials 0.000 claims description 4
- 239000011669 selenium Substances 0.000 claims description 4
- 150000001340 alkali metals Chemical class 0.000 claims description 3
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 3
- 229910052797 bismuth Inorganic materials 0.000 claims description 3
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 3
- 229910052793 cadmium Inorganic materials 0.000 claims description 3
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 3
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims 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 claims description 2
- 229910052783 alkali metal Inorganic materials 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims 2
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 claims 1
- 229910001626 barium chloride Inorganic materials 0.000 claims 1
- 239000001103 potassium chloride Substances 0.000 claims 1
- 235000011164 potassium chloride Nutrition 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 14
- 150000003568 thioethers Chemical class 0.000 abstract 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 39
- 239000012141 concentrate Substances 0.000 description 31
- 238000002474 experimental method Methods 0.000 description 20
- 239000011593 sulfur Substances 0.000 description 19
- 229910052717 sulfur Inorganic materials 0.000 description 19
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical compound [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 description 17
- 229910052951 chalcopyrite Inorganic materials 0.000 description 17
- 239000002609 medium Substances 0.000 description 17
- 230000000694 effects Effects 0.000 description 12
- 229910052500 inorganic mineral Inorganic materials 0.000 description 12
- 239000011707 mineral Substances 0.000 description 12
- 235000010755 mineral Nutrition 0.000 description 12
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000004090 dissolution Methods 0.000 description 8
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical class [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 8
- 239000005083 Zinc sulfide Substances 0.000 description 7
- 229910021653 sulphate ion Inorganic materials 0.000 description 7
- 239000005864 Sulphur Substances 0.000 description 5
- 239000002932 luster Substances 0.000 description 5
- 229910021645 metal ion Inorganic materials 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 230000000737 periodic effect Effects 0.000 description 5
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 5
- 238000009853 pyrometallurgy Methods 0.000 description 5
- WWNBZGLDODTKEM-UHFFFAOYSA-N sulfanylidenenickel Chemical compound [Ni]=S WWNBZGLDODTKEM-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005868 electrolysis reaction Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052976 metal sulfide Inorganic materials 0.000 description 4
- 229910052683 pyrite Inorganic materials 0.000 description 4
- 239000011028 pyrite Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 150000001805 chlorine compounds Chemical class 0.000 description 3
- BWFPGXWASODCHM-UHFFFAOYSA-N copper monosulfide Chemical class [Cu]=S BWFPGXWASODCHM-UHFFFAOYSA-N 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 150000003841 chloride salts Chemical class 0.000 description 2
- 229910052955 covellite Inorganic materials 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010494 dissociation reaction Methods 0.000 description 2
- 230000005593 dissociations Effects 0.000 description 2
- 230000005592 electrolytic dissociation Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- -1 sulphate ions Chemical class 0.000 description 2
- KEQXNNJHMWSZHK-UHFFFAOYSA-L 1,3,2,4$l^{2}-dioxathiaplumbetane 2,2-dioxide Chemical compound [Pb+2].[O-]S([O-])(=O)=O KEQXNNJHMWSZHK-UHFFFAOYSA-L 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- NHPHQYDQKATMFU-UHFFFAOYSA-N [Cu]=S.[Co] Chemical compound [Cu]=S.[Co] NHPHQYDQKATMFU-UHFFFAOYSA-N 0.000 description 1
- HJCRDHDDIDLLGZ-UHFFFAOYSA-N [Zn].[Ag].[Pb] Chemical compound [Zn].[Ag].[Pb] HJCRDHDDIDLLGZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 229910052981 lead sulfide Inorganic materials 0.000 description 1
- 229940056932 lead sulfide Drugs 0.000 description 1
- JQJCSZOEVBFDKO-UHFFFAOYSA-N lead zinc Chemical compound [Zn].[Pb] JQJCSZOEVBFDKO-UHFFFAOYSA-N 0.000 description 1
- XCAUINMIESBTBL-UHFFFAOYSA-N lead(ii) sulfide Chemical compound [Pb]=S XCAUINMIESBTBL-UHFFFAOYSA-N 0.000 description 1
- 230000002101 lytic effect Effects 0.000 description 1
- 229910052953 millerite Inorganic materials 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- YFLLTMUVNFGTIW-UHFFFAOYSA-N nickel;sulfanylidenecopper Chemical compound [Ni].[Cu]=S YFLLTMUVNFGTIW-UHFFFAOYSA-N 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000011833 salt mixture Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910052950 sphalerite Inorganic materials 0.000 description 1
- 230000019635 sulfation Effects 0.000 description 1
- 238000005670 sulfation reaction Methods 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- FZUJWWOKDIGOKH-UHFFFAOYSA-N sulfuric acid hydrochloride Chemical compound Cl.OS(O)(=O)=O FZUJWWOKDIGOKH-UHFFFAOYSA-N 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-L thiosulfate(2-) Chemical compound [O-]S([S-])(=O)=O DHCDFWKWKRSZHF-UHFFFAOYSA-L 0.000 description 1
- 229910021654 trace metal Inorganic materials 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- ZNRSXPDDVNZGEN-UHFFFAOYSA-K trisodium;chloride;sulfate Chemical compound [Na+].[Na+].[Na+].[Cl-].[O-]S([O-])(=O)=O ZNRSXPDDVNZGEN-UHFFFAOYSA-K 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11375171A | 1971-02-08 | 1971-02-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
NO133903B true NO133903B (es) | 1976-04-05 |
NO133903C NO133903C (es) | 1976-07-14 |
Family
ID=22351278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO321/72*[A NO133903C (es) | 1971-02-08 | 1972-02-07 |
Country Status (17)
Country | Link |
---|---|
US (1) | US3673061A (es) |
JP (1) | JPS5133483B1 (es) |
BE (1) | BE779036A (es) |
CA (1) | CA975712A (es) |
DE (1) | DE2204724A1 (es) |
ES (1) | ES399486A1 (es) |
FR (1) | FR2124519B1 (es) |
GB (1) | GB1345102A (es) |
IE (1) | IE36195B1 (es) |
IT (1) | IT949343B (es) |
LU (1) | LU64751A1 (es) |
NL (1) | NL7201463A (es) |
NO (1) | NO133903C (es) |
PH (1) | PH10022A (es) |
SE (1) | SE374566C (es) |
ZA (1) | ZA72641B (es) |
ZM (1) | ZM2172A1 (es) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3849265A (en) * | 1971-10-01 | 1974-11-19 | Us Interior | Electro-oxidative method for the recovery of molybdenum from sulfide ores |
US3766026A (en) * | 1972-05-10 | 1973-10-16 | Cyprus Metallurg Process | Electrolytic process for the recovery of nickel, cobalt and iron from their sulfides |
US3755106A (en) * | 1972-05-15 | 1973-08-28 | Us Interior | ELECTROLYTIC OXIDATION OF Sb{11 S{11 |
US3915818A (en) * | 1972-10-13 | 1975-10-28 | Corporacion De Fomento De La P | Electrowinning process for the improved recovery of metal |
US3956087A (en) * | 1974-05-17 | 1976-05-11 | Mineral Research & Development Corporation | Electrochemical mining of copper |
US3957603A (en) * | 1974-06-14 | 1976-05-18 | Electromet, Inc. | Electrolytic gold recovery and separation process |
US3979265A (en) * | 1974-12-19 | 1976-09-07 | Continental Oil Company | Recovery of metals from sulfur bearing ores |
US3959096A (en) * | 1975-01-17 | 1976-05-25 | Langer Stanley H | Electrochemical recovery of copper from alloy scrap |
GB1496852A (en) * | 1975-02-14 | 1978-01-05 | Dextec Metallurg | Extraction of copper from ores and concentrates |
US4107009A (en) * | 1976-02-02 | 1978-08-15 | Dextec Metallurgical Proprietary Limited | Recovery of copper from ores and concentrates |
IE44899B1 (en) * | 1976-04-01 | 1982-05-05 | Dextec Metallurg | Refining of ferrous and base metal ores and concentrates |
US4139432A (en) * | 1976-08-16 | 1979-02-13 | Ghiringhelli Hugh A | Process for electrochemically recovering precious metals from ores |
JPS5352235A (en) * | 1976-10-25 | 1978-05-12 | Nat Res Inst Metals | Electrorefining method of lead |
US4159232A (en) * | 1977-09-23 | 1979-06-26 | Bacon William G | Electro-hydrometallurgical process for the extraction of base metals and iron |
US4204922A (en) * | 1977-12-06 | 1980-05-27 | The Broken Hill Propietary Company Limited | Simultaneous electrodissolution and electrowinning of metals from simple sulphides |
GR67296B (es) * | 1979-04-09 | 1981-06-29 | Dextec Metallurg | |
US4384890A (en) * | 1982-02-10 | 1983-05-24 | Phelps Dodge Corporation | Cupric chloride leaching of copper sulfides |
US4631176A (en) * | 1982-07-22 | 1986-12-23 | Cato Research Corporation | Recovery of anhydrous zinc chloride |
US4500498A (en) * | 1984-01-19 | 1985-02-19 | Cato Research, Inc. | Ammonium chloride-ammonium hydroxide strip for the recovery of anhydrous zinc chloride |
US4594132A (en) * | 1984-06-27 | 1986-06-10 | Phelps Dodge Corporation | Chloride hydrometallurgical process for production of copper |
ZM7485A1 (en) * | 1984-10-05 | 1986-04-28 | Dextec Metallurg | Production of zinc from ores and concentrates |
KR900001832B1 (ko) * | 1985-04-25 | 1990-03-24 | 크로닌 엔지니어즈 코포레이션, 리미티드 | 귀금속의 용해 및 회수방법 |
SE8504140L (sv) * | 1985-09-05 | 1987-03-06 | Boliden Ab | Forfarande for selektiv utvinning av bly fran komplexa sulfidiska icke-jernmetallsliger |
SE8504500D0 (sv) * | 1985-09-30 | 1985-09-30 | Boliden Ab | Forfarande och anordning for utvinning av koppar ur koppar-jernsulfidmalmer |
CN1034957C (zh) * | 1993-04-24 | 1997-05-21 | 王绍和 | 硫化铜矿直接电解制取电解铜的方法及其电解槽 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE199554C (es) * | ||||
US720235A (en) * | 1900-11-02 | 1903-02-10 | Hans A Frasch | Process of recovering and separating metals from their ores. |
US1066855A (en) * | 1912-03-13 | 1913-07-08 | Ransom B Shelden | Process of extracting metals from their ores. |
US1115351A (en) * | 1914-01-27 | 1914-10-27 | Herman A Wagner | Process of separating metals from ores. |
US3616331A (en) * | 1968-08-03 | 1971-10-26 | Int Nickel Co | Recovery of nickel and copper from sulfides |
-
1971
- 1971-02-08 US US113751A patent/US3673061A/en not_active Expired - Lifetime
-
1972
- 1972-01-27 GB GB379172A patent/GB1345102A/en not_active Expired
- 1972-01-31 IE IE128/72A patent/IE36195B1/xx unknown
- 1972-02-01 DE DE19722204724 patent/DE2204724A1/de active Pending
- 1972-02-01 ZA ZA720641A patent/ZA72641B/xx unknown
- 1972-02-01 FR FR7203920A patent/FR2124519B1/fr not_active Expired
- 1972-02-01 CA CA133,677A patent/CA975712A/en not_active Expired
- 1972-02-02 SE SE7201180A patent/SE374566C/xx unknown
- 1972-02-03 JP JP47012535A patent/JPS5133483B1/ja active Pending
- 1972-02-04 ES ES399486A patent/ES399486A1/es not_active Expired
- 1972-02-04 PH PH13251*A patent/PH10022A/en unknown
- 1972-02-04 NL NL7201463A patent/NL7201463A/xx unknown
- 1972-02-07 IT IT9338/72A patent/IT949343B/it active
- 1972-02-07 ZM ZM21/72A patent/ZM2172A1/xx unknown
- 1972-02-07 BE BE779036A patent/BE779036A/xx unknown
- 1972-02-07 NO NO321/72*[A patent/NO133903C/no unknown
- 1972-02-08 LU LU64751D patent/LU64751A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
JPS5133483B1 (es) | 1976-09-20 |
ZA72641B (en) | 1972-10-25 |
US3673061A (en) | 1972-06-27 |
ZM2172A1 (en) | 1973-10-22 |
LU64751A1 (es) | 1972-06-30 |
IT949343B (it) | 1973-06-11 |
FR2124519A1 (es) | 1972-09-22 |
CA975712A (en) | 1975-10-07 |
ES399486A1 (es) | 1974-11-01 |
GB1345102A (en) | 1974-01-30 |
IE36195L (en) | 1972-08-08 |
IE36195B1 (en) | 1976-09-15 |
DE2204724A1 (de) | 1972-08-24 |
BE779036A (fr) | 1972-05-30 |
FR2124519B1 (es) | 1976-07-09 |
SE374566B (es) | 1975-03-10 |
NL7201463A (es) | 1972-08-10 |
NO133903C (es) | 1976-07-14 |
SE374566C (sv) | 1977-06-27 |
PH10022A (en) | 1976-07-13 |
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