BG62179B1 - Хидрометалургично извличане на мед с помощта на хлорид - Google Patents
Хидрометалургично извличане на мед с помощта на хлорид Download PDFInfo
- Publication number
- BG62179B1 BG62179B1 BG101726A BG10172697A BG62179B1 BG 62179 B1 BG62179 B1 BG 62179B1 BG 101726 A BG101726 A BG 101726A BG 10172697 A BG10172697 A BG 10172697A BG 62179 B1 BG62179 B1 BG 62179B1
- Authority
- BG
- Bulgaria
- Prior art keywords
- copper
- extraction
- solution
- zinc
- concentrate
- Prior art date
Links
- 239000010949 copper Substances 0.000 title claims abstract description 325
- 238000000605 extraction Methods 0.000 title claims abstract description 256
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 255
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 247
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 title claims description 30
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 240
- 230000003647 oxidation Effects 0.000 claims abstract description 239
- 238000000034 method Methods 0.000 claims abstract description 149
- 239000012141 concentrate Substances 0.000 claims abstract description 121
- 239000011701 zinc Substances 0.000 claims abstract description 113
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 96
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 94
- 239000000706 filtrate Substances 0.000 claims abstract description 77
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 68
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 58
- 230000008569 process Effects 0.000 claims abstract description 38
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 34
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000000638 solvent extraction Methods 0.000 claims abstract description 29
- 150000001879 copper Chemical class 0.000 claims abstract description 28
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims abstract description 16
- 229910021653 sulphate ion Inorganic materials 0.000 claims abstract description 16
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims abstract description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 11
- 239000001301 oxygen Substances 0.000 claims abstract description 11
- -1 sulphate ions Chemical class 0.000 claims abstract description 10
- 238000011065 in-situ storage Methods 0.000 claims abstract description 4
- 230000003247 decreasing effect Effects 0.000 claims abstract description 3
- 239000000243 solution Substances 0.000 claims description 166
- 239000003960 organic solvent Substances 0.000 claims description 70
- 239000002253 acid Substances 0.000 claims description 66
- 239000000284 extract Substances 0.000 claims description 58
- 239000007788 liquid Substances 0.000 claims description 51
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 44
- 239000007787 solid Chemical group 0.000 claims description 42
- 239000003792 electrolyte Substances 0.000 claims description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 238000006386 neutralization reaction Methods 0.000 claims description 29
- 238000005406 washing Methods 0.000 claims description 20
- 239000002904 solvent Substances 0.000 claims description 19
- 239000003513 alkali Substances 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 14
- 238000002386 leaching Methods 0.000 claims description 14
- 230000002378 acidificating effect Effects 0.000 claims description 11
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 claims description 10
- QAOWNCQODCNURD-UHFFFAOYSA-M hydrogensulfate Chemical compound OS([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 8
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 239000010440 gypsum Substances 0.000 claims description 6
- 229910052602 gypsum Inorganic materials 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000004094 surface-active agent Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000010908 decantation Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 239000001257 hydrogen 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 5
- 150000002739 metals Chemical class 0.000 claims description 4
- 239000011686 zinc sulphate Substances 0.000 claims description 3
- 235000009529 zinc sulphate Nutrition 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 230000003472 neutralizing effect Effects 0.000 claims description 2
- 230000036961 partial effect Effects 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims 2
- 235000011149 sulphuric acid Nutrition 0.000 abstract description 2
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 54
- 239000011593 sulfur Substances 0.000 description 37
- 229910052717 sulfur Inorganic materials 0.000 description 37
- 238000006243 chemical reaction Methods 0.000 description 23
- 239000012527 feed solution Substances 0.000 description 23
- LITQZINTSYBKIU-UHFFFAOYSA-F tetracopper;hexahydroxide;sulfate Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Cu+2].[Cu+2].[Cu+2].[Cu+2].[O-]S([O-])(=O)=O LITQZINTSYBKIU-UHFFFAOYSA-F 0.000 description 22
- 229910052742 iron Inorganic materials 0.000 description 17
- 238000012360 testing method Methods 0.000 description 14
- 238000011084 recovery Methods 0.000 description 12
- 239000000725 suspension Substances 0.000 description 12
- 230000002829 reductive effect Effects 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 239000012530 fluid Substances 0.000 description 7
- 229910021591 Copper(I) chloride Inorganic materials 0.000 description 6
- 230000009471 action Effects 0.000 description 6
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 6
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 229910052951 chalcopyrite Inorganic materials 0.000 description 5
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical compound [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 description 5
- 239000010802 sludge Substances 0.000 description 5
- 239000007790 solid phase Substances 0.000 description 5
- 239000002562 thickening agent Substances 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 235000010755 mineral Nutrition 0.000 description 4
- 239000012074 organic phase Substances 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 235000019738 Limestone Nutrition 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- BWFPGXWASODCHM-UHFFFAOYSA-N copper monosulfide Chemical compound [Cu]=S BWFPGXWASODCHM-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- HLQQMPGKASWZPH-UHFFFAOYSA-N diethyl hexyl phosphate Chemical compound CCCCCCOP(=O)(OCC)OCC HLQQMPGKASWZPH-UHFFFAOYSA-N 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 235000012907 honey Nutrition 0.000 description 3
- 239000006028 limestone Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 229910000368 zinc sulfate Inorganic materials 0.000 description 2
- 229960001763 zinc sulfate Drugs 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229910000570 Cupronickel Inorganic materials 0.000 description 1
- 229920001732 Lignosulfonate Polymers 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000006172 buffering agent Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 101150052500 cic-1 gene Proteins 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- BUGICWZUDIWQRQ-UHFFFAOYSA-N copper iron sulfane Chemical compound S.[Fe].[Cu] BUGICWZUDIWQRQ-UHFFFAOYSA-N 0.000 description 1
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000013505 freshwater 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
- 230000020169 heat generation Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910052595 hematite Inorganic materials 0.000 description 1
- 239000011019 hematite Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000020477 pH reduction Effects 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
- 230000035484 reaction time Effects 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 150000003751 zinc Chemical class 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
- 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
- C22B3/08—Sulfuric acid, other sulfurated acids or salts thereof
-
- 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
- C22B15/0065—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
-
- 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
- C22B23/00—Obtaining nickel or cobalt
- C22B23/04—Obtaining nickel or cobalt by wet processes
- C22B23/0407—Leaching processes
- C22B23/0415—Leaching processes with acids or salt solutions except ammonium salts solutions
-
- 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
- C22B23/0415—Leaching processes with acids or salt solutions except ammonium salts solutions
- C22B23/0423—Halogenated acids or salts thereof
-
- 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
- C22B23/0415—Leaching processes with acids or salt solutions except ammonium salts solutions
- C22B23/043—Sulfurated acids or salts thereof
-
- 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
- C22B23/0453—Treatment or purification of solutions, e.g. obtained 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
-
- 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
-
- 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
-
- 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)
- Geochemistry & Mineralogy (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CA1994/000696 WO1996019593A1 (en) | 1993-07-29 | 1994-12-20 | Chloride assisted hydrometallurgical copper extraction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BG101726A BG101726A (en) | 1998-03-31 |
| BG62179B1 true BG62179B1 (bg) | 1999-04-30 |
Family
ID=4160899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG101726A BG62179B1 (bg) | 1994-12-20 | 1997-07-02 | Хидрометалургично извличане на мед с помощта на хлорид |
Country Status (27)
| Country | Link |
|---|---|
| US (3) | US5431788A (es) |
| EP (1) | EP0804624B1 (es) |
| JP (1) | JPH10510585A (es) |
| KR (1) | KR100352496B1 (es) |
| AR (1) | AR000381A1 (es) |
| AU (1) | AU699194B2 (es) |
| BA (1) | BA95051A (es) |
| BG (1) | BG62179B1 (es) |
| BR (1) | BR9408639A (es) |
| CA (1) | CA2208026C (es) |
| CO (1) | CO4440443A1 (es) |
| CZ (1) | CZ184997A3 (es) |
| DE (1) | DE69417455T2 (es) |
| ES (1) | ES2132604T3 (es) |
| FI (1) | FI115305B (es) |
| HR (1) | HRP950601A2 (es) |
| ID (1) | ID29555A (es) |
| NO (1) | NO972836L (es) |
| OA (1) | OA10430A (es) |
| PE (2) | PE39695A1 (es) |
| PL (1) | PL190429B1 (es) |
| RU (1) | RU2137856C1 (es) |
| TR (1) | TR199501621A2 (es) |
| TW (2) | TW339362B (es) |
| UY (1) | UY24125A1 (es) |
| WO (1) | WO1996019593A1 (es) |
| ZA (2) | ZA9410363B (es) |
Families Citing this family (61)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5756402A (en) * | 1992-12-28 | 1998-05-26 | Kabushiki Kaisha Toshiba | Method of etching silicon nitride film |
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- 1994-12-20 EP EP19950903735 patent/EP0804624B1/en not_active Expired - Lifetime
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- 1994-12-20 JP JP52485295A patent/JPH10510585A/ja active Pending
- 1994-12-20 AU AU12701/95A patent/AU699194B2/en not_active Expired
- 1994-12-20 PL PL94320939A patent/PL190429B1/pl not_active IP Right Cessation
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- 1994-12-20 ES ES95903735T patent/ES2132604T3/es not_active Expired - Lifetime
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- 1994-12-20 KR KR1019970704167A patent/KR100352496B1/ko not_active IP Right Cessation
- 1994-12-20 CZ CZ971849A patent/CZ184997A3/cs unknown
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- 1994-12-28 ZA ZA9410363A patent/ZA9410363B/xx unknown
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1995
- 1995-01-06 PE PE1995258759A patent/PE39695A1/es not_active IP Right Cessation
- 1995-01-14 TW TW084100351A patent/TW339362B/zh not_active IP Right Cessation
- 1995-03-30 CO CO95012974A patent/CO4440443A1/es unknown
- 1995-04-21 US US08/425,117 patent/US5645708A/en not_active Expired - Lifetime
- 1995-12-14 TW TW84113341A patent/TW408185B/zh active
- 1995-12-15 PE PE28735095A patent/PE37396A1/es not_active Application Discontinuation
- 1995-12-15 ZA ZA9510710A patent/ZA9510710B/xx unknown
- 1995-12-19 HR HRCA94/000696A patent/HRP950601A2/hr not_active Application Discontinuation
- 1995-12-19 AR AR33468895A patent/AR000381A1/es unknown
- 1995-12-20 TR TR95/01621A patent/TR199501621A2/xx unknown
- 1995-12-20 UY UY24125A patent/UY24125A1/es unknown
- 1995-12-21 ID ID20010299D patent/ID29555A/id unknown
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1997
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- 1997-06-19 NO NO972836A patent/NO972836L/no unknown
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- 1997-07-02 BG BG101726A patent/BG62179B1/bg unknown
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1998
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