NO133812B - - Google Patents
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- Publication number
- NO133812B NO133812B NO921/73A NO92173A NO133812B NO 133812 B NO133812 B NO 133812B NO 921/73 A NO921/73 A NO 921/73A NO 92173 A NO92173 A NO 92173A NO 133812 B NO133812 B NO 133812B
- Authority
- NO
- Norway
- Prior art keywords
- copper
- leaching
- primary
- concentrate
- nickel
- Prior art date
Links
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 76
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 67
- 229910052802 copper Inorganic materials 0.000 claims abstract description 67
- 239000010949 copper Substances 0.000 claims abstract description 67
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 38
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 33
- 239000011701 zinc Substances 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 27
- 230000008569 process Effects 0.000 claims abstract description 7
- 239000012141 concentrate Substances 0.000 claims description 113
- 238000002386 leaching Methods 0.000 claims description 102
- 239000000243 solution Substances 0.000 claims description 46
- 238000005188 flotation Methods 0.000 claims description 44
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 26
- 239000011707 mineral Substances 0.000 claims description 26
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 14
- 229910052760 oxygen Inorganic materials 0.000 claims description 14
- 239000001301 oxygen Substances 0.000 claims description 14
- 150000004763 sulfides Chemical class 0.000 claims description 13
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 9
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 9
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 8
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 8
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 claims description 7
- 229910001656 zinc mineral Inorganic materials 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 2
- 239000000908 ammonium hydroxide Substances 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 56
- 239000007787 solid Substances 0.000 description 31
- 239000002002 slurry Substances 0.000 description 29
- 229910021529 ammonia Inorganic materials 0.000 description 28
- 235000010755 mineral Nutrition 0.000 description 24
- 229910052751 metal Inorganic materials 0.000 description 21
- 239000002184 metal Substances 0.000 description 21
- 239000007788 liquid Substances 0.000 description 14
- 238000005342 ion exchange Methods 0.000 description 12
- BWFPGXWASODCHM-UHFFFAOYSA-N copper monosulfide Chemical compound [Cu]=S BWFPGXWASODCHM-UHFFFAOYSA-N 0.000 description 11
- 238000003723 Smelting Methods 0.000 description 10
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 10
- 229910052683 pyrite Inorganic materials 0.000 description 10
- 239000011028 pyrite Substances 0.000 description 10
- 238000011084 recovery Methods 0.000 description 10
- XCAUINMIESBTBL-UHFFFAOYSA-N lead(ii) sulfide Chemical compound [Pb]=S XCAUINMIESBTBL-UHFFFAOYSA-N 0.000 description 9
- 229910052961 molybdenite Inorganic materials 0.000 description 9
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 9
- 229910052949 galena Inorganic materials 0.000 description 8
- 239000002994 raw material Substances 0.000 description 8
- 238000006722 reduction reaction Methods 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 7
- 229910001779 copper mineral Inorganic materials 0.000 description 7
- 230000009467 reduction Effects 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 6
- 238000004090 dissolution Methods 0.000 description 6
- 229910052976 metal sulfide Inorganic materials 0.000 description 6
- 229920006395 saturated elastomer Polymers 0.000 description 6
- 239000010802 sludge Substances 0.000 description 6
- 238000000926 separation method Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- OXSWKJLAKXNIFG-UHFFFAOYSA-N azane sulfuric acid Chemical compound N.N.N.OS(O)(=O)=O OXSWKJLAKXNIFG-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 229910052951 chalcopyrite Inorganic materials 0.000 description 3
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical compound [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 description 3
- -1 chalcosite Inorganic materials 0.000 description 3
- 238000005363 electrowinning Methods 0.000 description 3
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 3
- 229910052602 gypsum Inorganic materials 0.000 description 3
- 239000010440 gypsum Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 239000011733 molybdenum Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229910021653 sulphate ion Inorganic materials 0.000 description 3
- 239000012991 xanthate Substances 0.000 description 3
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 239000005083 Zinc sulfide Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052955 covellite Inorganic materials 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 229910052971 enargite Inorganic materials 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229910052952 pyrrhotite Inorganic materials 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000012047 saturated solution Substances 0.000 description 2
- 150000004760 silicates Chemical class 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910000570 Cupronickel Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 206010057175 Mass conditions Diseases 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- FQGMPQGXUXIOKI-UHFFFAOYSA-N [S--].[S--].[Cu++].[Zn++] Chemical compound [S--].[S--].[Cu++].[Zn++] FQGMPQGXUXIOKI-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000001166 ammonium sulphate Substances 0.000 description 1
- AWZACWPILWGEQL-UHFFFAOYSA-M azanium;copper(1+);sulfate Chemical compound [NH4+].[Cu+].[O-]S([O-])(=O)=O AWZACWPILWGEQL-UHFFFAOYSA-M 0.000 description 1
- 229910052948 bornite Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000010960 commercial process Methods 0.000 description 1
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000012633 leachable Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- UOURRHZRLGCVDA-UHFFFAOYSA-D pentazinc;dicarbonate;hexahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Zn+2].[Zn+2].[Zn+2].[Zn+2].[Zn+2].[O-]C([O-])=O.[O-]C([O-])=O UOURRHZRLGCVDA-UHFFFAOYSA-D 0.000 description 1
- 229910052954 pentlandite Inorganic materials 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 229910052950 sphalerite Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- WWNBZGLDODTKEM-UHFFFAOYSA-N sulfanylidenenickel Chemical compound [Ni]=S WWNBZGLDODTKEM-UHFFFAOYSA-N 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 239000002023 wood Substances 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
- C22B23/00—Obtaining nickel or cobalt
- C22B23/04—Obtaining nickel or cobalt by wet processes
- C22B23/0407—Leaching processes
- C22B23/0446—Leaching processes with an ammoniacal liquor or with a hydroxide of an alkali or alkaline-earth metal
-
- 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
- C22B15/0078—Leaching or slurrying with ammoniacal solutions, e.g. ammonium hydroxide
-
- 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
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/20—Obtaining zinc otherwise than by distilling
- C22B19/24—Obtaining zinc otherwise than by distilling with leaching with alkaline solutions, e.g. ammonia
-
- 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)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23245472A | 1972-03-07 | 1972-03-07 | |
| US24234072A | 1972-04-10 | 1972-04-10 | |
| US26570972A | 1972-06-23 | 1972-06-23 | |
| US30147572A | 1972-10-27 | 1972-10-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO133812B true NO133812B (fr) | 1976-03-22 |
| NO133812C NO133812C (fr) | 1976-06-30 |
Family
ID=27499650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO921/73A NO133812C (fr) | 1972-03-07 | 1973-03-07 |
Country Status (21)
| Country | Link |
|---|---|
| JP (1) | JPS5438561B2 (fr) |
| AR (1) | AR203454A1 (fr) |
| AU (1) | AU472980B2 (fr) |
| BE (1) | BE796324A (fr) |
| CA (1) | CA998840A (fr) |
| DE (1) | DE2311242C3 (fr) |
| FI (1) | FI58347C (fr) |
| FR (1) | FR2175074B1 (fr) |
| GB (1) | GB1404244A (fr) |
| IE (1) | IE37546B1 (fr) |
| IL (1) | IL41674A (fr) |
| IN (2) | IN138729B (fr) |
| IT (1) | IT980494B (fr) |
| NL (1) | NL7303112A (fr) |
| NO (1) | NO133812C (fr) |
| PH (1) | PH11968A (fr) |
| RO (1) | RO64661A (fr) |
| SE (1) | SE397204B (fr) |
| TR (1) | TR17677A (fr) |
| YU (1) | YU59473A (fr) |
| ZM (1) | ZM4073A1 (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1490813A (en) * | 1975-07-21 | 1977-11-02 | Isc Smelting | Leaching of copper dross |
| ZA766304B (en) * | 1975-11-03 | 1977-09-28 | Fluor Utah | Flotation process |
| ES476055A1 (es) * | 1978-12-15 | 1979-11-01 | Redondo Abad Angel Luis | Procedimiento para la obtencion de metales no ferreos a par-tir de minerales sulfurados complejos de base piritica que contengan cobre, plomo, cinc, plata y oro |
| AU5700780A (en) * | 1979-11-30 | 1981-06-04 | Board Of Trustees Of Michigan State University | Extraction of metal ions |
| SE446276B (sv) * | 1980-11-17 | 1986-08-25 | Boliden Ab | Forfarande for att separera och utvinna nickel och koppar ur komplexa sulfidmineral |
| US11286540B2 (en) * | 2020-07-31 | 2022-03-29 | Rio Tinto Technological Resources Inc. | Method of processing a pyrite-containing slurry |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2576314A (en) * | 1948-11-06 | 1951-11-27 | Sherritt Gordon Mines Ltd | Extracting of nickel values from nickeliferous sulfide material |
| BE514331A (fr) * | 1951-09-21 | 1900-01-01 | ||
| US2822263A (en) * | 1954-09-01 | 1958-02-04 | Sherritt Gordon Mines Ltd | Method of extracting copper values from copper bearing mineral sulphides |
| DE1051511B (de) * | 1954-09-21 | 1959-02-26 | Sherritt Gordon Mines Ltd | Verfahren zur Gewinnung von Kupfer aus sulfidischen Kupfererzen |
| US2912305A (en) * | 1956-05-31 | 1959-11-10 | Metals And Chemicals Corp | Non-ferrous scrap treatment |
| US3582314A (en) * | 1967-02-10 | 1971-06-01 | Ihara Chemical Co | Method for killing grassy and broadleaf weeds |
-
1973
- 1973-03-01 CA CA164,974A patent/CA998840A/en not_active Expired
- 1973-03-02 IL IL41674A patent/IL41674A/en unknown
- 1973-03-02 AU AU52835/73A patent/AU472980B2/en not_active Expired
- 1973-03-03 IN IN475/CAL/73A patent/IN138729B/en unknown
- 1973-03-06 FI FI690/73A patent/FI58347C/fi active
- 1973-03-06 IE IE362/73A patent/IE37546B1/xx unknown
- 1973-03-06 IT IT67605/73A patent/IT980494B/it active
- 1973-03-06 BE BE128411A patent/BE796324A/fr unknown
- 1973-03-06 YU YU00594/73A patent/YU59473A/xx unknown
- 1973-03-06 SE SE7303108A patent/SE397204B/xx unknown
- 1973-03-06 FR FR7307931A patent/FR2175074B1/fr not_active Expired
- 1973-03-06 GB GB1068973A patent/GB1404244A/en not_active Expired
- 1973-03-06 NL NL7303112A patent/NL7303112A/xx not_active Application Discontinuation
- 1973-03-07 JP JP2625473A patent/JPS5438561B2/ja not_active Expired
- 1973-03-07 TR TR17677A patent/TR17677A/xx unknown
- 1973-03-07 RO RO7374101A patent/RO64661A/fr unknown
- 1973-03-07 AR AR246943A patent/AR203454A1/es active
- 1973-03-07 ZM ZM40/73A patent/ZM4073A1/xx unknown
- 1973-03-07 DE DE2311242A patent/DE2311242C3/de not_active Expired
- 1973-03-07 NO NO921/73A patent/NO133812C/no unknown
- 1973-03-27 PH PH14468A patent/PH11968A/en unknown
- 1973-04-05 IN IN795/CAL/73A patent/IN139440B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE397204B (sv) | 1977-10-24 |
| IE37546B1 (en) | 1977-08-17 |
| IN138729B (fr) | 1976-03-20 |
| ZM4073A1 (en) | 1974-11-21 |
| NO133812C (fr) | 1976-06-30 |
| DE2311242C3 (de) | 1982-02-25 |
| JPS4974601A (fr) | 1974-07-18 |
| YU59473A (en) | 1982-02-28 |
| IN139440B (fr) | 1976-06-19 |
| BE796324A (fr) | 1973-09-06 |
| AU5283573A (en) | 1974-09-05 |
| FI58347B (fi) | 1980-09-30 |
| IE37546L (en) | 1973-09-07 |
| PH11968A (en) | 1978-09-28 |
| DE2311242B2 (de) | 1981-06-25 |
| IL41674A (en) | 1976-07-30 |
| FI58347C (fi) | 1981-01-12 |
| GB1404244A (en) | 1975-08-28 |
| NL7303112A (fr) | 1973-09-11 |
| TR17677A (tr) | 1975-07-23 |
| FR2175074A1 (fr) | 1973-10-19 |
| DE2311242A1 (de) | 1973-09-13 |
| CA998840A (en) | 1976-10-26 |
| FR2175074B1 (fr) | 1977-08-12 |
| JPS5438561B2 (fr) | 1979-11-21 |
| IT980494B (it) | 1974-09-30 |
| AU472980B2 (en) | 1976-06-10 |
| AR203454A1 (es) | 1975-09-15 |
| IL41674A0 (en) | 1973-05-31 |
| RO64661A (fr) | 1979-02-15 |
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