FI61522C - Foerfarande foer utvinning av icke-jaernmetaller ur sulfidmaterial - Google Patents
Foerfarande foer utvinning av icke-jaernmetaller ur sulfidmaterial Download PDFInfo
- Publication number
- FI61522C FI61522C FI761921A FI761921A FI61522C FI 61522 C FI61522 C FI 61522C FI 761921 A FI761921 A FI 761921A FI 761921 A FI761921 A FI 761921A FI 61522 C FI61522 C FI 61522C
- Authority
- FI
- Finland
- Prior art keywords
- roasting
- extraction
- residual solution
- copper
- solution
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 79
- 238000000605 extraction Methods 0.000 claims description 68
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 62
- 239000010949 copper Substances 0.000 claims description 56
- 229910052802 copper Inorganic materials 0.000 claims description 55
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 53
- 239000002184 metal Substances 0.000 claims description 37
- 229910052751 metal Inorganic materials 0.000 claims description 37
- 239000007789 gas Substances 0.000 claims description 29
- -1 ferrous metals Chemical class 0.000 claims description 22
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 14
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 13
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 13
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 12
- 229910052717 sulfur Inorganic materials 0.000 claims description 11
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 239000011593 sulfur Substances 0.000 claims description 10
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 claims description 10
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 9
- 150000002739 metals Chemical class 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000001704 evaporation Methods 0.000 claims description 7
- 230000008020 evaporation Effects 0.000 claims description 7
- 239000010970 precious metal Substances 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 4
- 230000001180 sulfating effect Effects 0.000 claims description 4
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 4
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 claims description 3
- 239000007858 starting material Substances 0.000 claims 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 47
- 239000000243 solution Substances 0.000 description 46
- 229910052742 iron Inorganic materials 0.000 description 24
- 239000000047 product Substances 0.000 description 18
- 239000003792 electrolyte Substances 0.000 description 17
- 238000005868 electrolysis reaction Methods 0.000 description 11
- 239000007788 liquid Substances 0.000 description 11
- 230000019635 sulfation Effects 0.000 description 11
- 238000005670 sulfation reaction Methods 0.000 description 11
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000002699 waste material Substances 0.000 description 8
- 229910000859 α-Fe Inorganic materials 0.000 description 8
- 238000005660 chlorination reaction Methods 0.000 description 7
- 239000012141 concentrate Substances 0.000 description 7
- 239000011019 hematite Substances 0.000 description 7
- 229910052595 hematite Inorganic materials 0.000 description 7
- 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 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 235000003891 ferrous sulphate Nutrition 0.000 description 6
- 235000013980 iron oxide Nutrition 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 239000002253 acid Substances 0.000 description 5
- 239000011790 ferrous sulphate Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 238000007792 addition Methods 0.000 description 3
- 229910052787 antimony Inorganic materials 0.000 description 3
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 3
- 229910052785 arsenic Inorganic materials 0.000 description 3
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052797 bismuth Inorganic materials 0.000 description 3
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 3
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000000908 ammonium hydroxide Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000009853 pyrometallurgy Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 150000004763 sulfides Chemical class 0.000 description 2
- 241001135931 Anolis Species 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 1
- 241000982035 Sparattosyce Species 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- NYZRMWCPMJEXKL-UHFFFAOYSA-N [Fe].[Cu].[Zn] Chemical compound [Fe].[Cu].[Zn] NYZRMWCPMJEXKL-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229910052948 bornite Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical group [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical compound [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 description 1
- 229910052951 chalcopyrite Inorganic materials 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 1
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005363 electrowinning Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- MSNWSDPPULHLDL-UHFFFAOYSA-K ferric hydroxide Chemical compound [OH-].[OH-].[OH-].[Fe+3] MSNWSDPPULHLDL-UHFFFAOYSA-K 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 235000014413 iron hydroxide Nutrition 0.000 description 1
- 229910000358 iron sulfate Inorganic materials 0.000 description 1
- BMWMWYBEJWFCJI-UHFFFAOYSA-K iron(3+);trioxido(oxo)-$l^{5}-arsane Chemical compound [Fe+3].[O-][As]([O-])([O-])=O BMWMWYBEJWFCJI-UHFFFAOYSA-K 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
- 238000010409 ironing Methods 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910001510 metal chloride Inorganic materials 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 238000010310 metallurgical process Methods 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical compound C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 239000010908 plant waste Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011403 purification operation Methods 0.000 description 1
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
- 229910052683 pyrite Inorganic materials 0.000 description 1
- 239000011028 pyrite Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 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
- 239000002002 slurry Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide 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
- 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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/02—Roasting processes
- C22B1/04—Blast roasting
-
- 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
- C22B15/0002—Preliminary treatment
- C22B15/001—Preliminary treatment with modification of the copper constituent
- C22B15/0013—Preliminary treatment with modification of the copper constituent by roasting
- C22B15/0017—Sulfating or sulfiding roasting
-
- 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
-
- 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)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Electrolytic Production Of Metals (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Processing Of Solid Wastes (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7507507A SE396968B (sv) | 1975-07-01 | 1975-07-01 | Forfarande for utvinning av icke-jernmetaller ur sulfidiska material genom rostning och lakning |
| SE7507507 | 1975-07-01 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI761921A7 FI761921A7 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-01-02 |
| FI61522B FI61522B (fi) | 1982-04-30 |
| FI61522C true FI61522C (fi) | 1982-08-10 |
Family
ID=20325018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI761921A FI61522C (fi) | 1975-07-01 | 1976-07-01 | Foerfarande foer utvinning av icke-jaernmetaller ur sulfidmaterial |
Country Status (13)
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1121605A (en) * | 1978-05-05 | 1982-04-13 | Igor A.E. Wilkomirsky | Recovery of non-ferrous metals by thermal treatment of solutions containing non-ferrous and iron sulphates |
| FI63781B (fi) * | 1980-03-19 | 1983-04-29 | Outokumpu Oy | Foerfarande foer aotervinning av vaerdemetaller ur finmalen pyit |
| SE446276B (sv) * | 1980-11-17 | 1986-08-25 | Boliden Ab | Forfarande for att separera och utvinna nickel och koppar ur komplexa sulfidmineral |
| JPS5812704A (ja) * | 1981-07-15 | 1983-01-24 | 松下電工株式会社 | 化粧単板の製造方法 |
| SE451463B (sv) * | 1982-12-09 | 1987-10-12 | Boliden Ab | Forfarande for upparbetning av komplexa sulfidiska malmkoncentrat |
| FI83335C (fi) * | 1988-03-31 | 1993-06-29 | Pekka Juhani Saikkonen | Foerfarande foer aotervinning av icke-jaernmetaller, speciellt nickel, kobolt, koppar, zink, mangan och magnesium genom smaelt- och smaeltfilmsulfatisering ur raomaterial som innehaoller dessa metaller |
| FR2690923B1 (fr) * | 1992-05-11 | 1994-07-22 | Inst Francais Du Petrole | Procede de captation de mercure et d'arsenic dans une coupe d'hydrocarbure. |
| CA2240450A1 (en) * | 1998-06-12 | 1999-12-12 | Michael Mourad Hanna | Process for the treatment of roasted metal sulphide ores and ferrites |
| RU2133293C1 (ru) * | 1998-11-03 | 1999-07-20 | Акционерное общество открытого типа "Уралэлектромедь" | Способ переработки медьсодержащего сырья |
| RU2331675C2 (ru) * | 2003-04-16 | 2008-08-20 | Константин Сергеевич Фокин | Способ переработки сульфидного минерального сырья и концентратов |
| CA2472495A1 (en) * | 2004-02-18 | 2005-08-18 | Sgs Lakefield Research Limited | Process to recover base metals |
| US20060117908A1 (en) * | 2004-12-03 | 2006-06-08 | Virnig Michael J | Processes for recovering metals from ores using organic solvent extraction and aqueous stripping at selected temperature differentials |
| RU2285732C1 (ru) * | 2005-04-25 | 2006-10-20 | Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный институт имени Г.В. Плеханова (технический университет)" | Способ сульфатизации кобальта |
| PE20070861A1 (es) * | 2005-10-19 | 2007-08-29 | Dundee Precious Metals Inc | Procedimiento para recuperar valores metalicos a partir de materiales que contienen arsenico y/o antimonio |
| JP6029262B2 (ja) * | 2011-04-26 | 2016-11-24 | 日本メクトロン株式会社 | フレキシブル回路体 |
| JP5424139B2 (ja) * | 2012-03-19 | 2014-02-26 | 住友金属鉱山株式会社 | 製鉄用ヘマタイトの製造方法 |
| CN103088210B (zh) * | 2013-01-18 | 2015-10-21 | 中南大学 | 一种从镍钼矿中选择性浸出镍和钼的方法 |
| RU2550064C2 (ru) * | 2013-07-26 | 2015-05-10 | Открытое акционерное общество "Уралэлектромедь" | Способ переработки медеэлектролитного шлама |
| US20160355905A1 (en) * | 2013-12-11 | 2016-12-08 | Outotec (Finland) Oy | Method for treating sulfide-free minerals |
| US10457565B2 (en) | 2014-09-18 | 2019-10-29 | Sumitomo Metal Mining Co., Ltd. | Production method for hematite for iron production |
| FI127945B (en) | 2014-11-10 | 2019-05-31 | Outotec Finland Oy | Treatment of complex sulfide concentrate |
| CN113621826B (zh) * | 2021-08-11 | 2022-07-29 | 山东国大黄金股份有限公司 | 一种提高金精矿焙烧铜酸浸出率的方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US839451A (en) * | 1906-03-27 | 1906-12-25 | T R Refractory Ore Syndicate Ltd | Treatment of pyritic ores. |
| US1974886A (en) * | 1931-12-15 | 1934-09-25 | Ici Ltd | Roasting of sulphide ores |
| US2783141A (en) * | 1953-06-10 | 1957-02-26 | Dorr Oliver Inc | Method of treating copper ore concentrates |
| SE322632B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1968-09-18 | 1970-04-13 | Boliden Ab | |
| US3971652A (en) * | 1972-02-21 | 1976-07-27 | Metallurgical Development Company | Ammoniacal extraction of copper from metallic materials |
-
1975
- 1975-07-01 SE SE7507507A patent/SE396968B/xx not_active IP Right Cessation
-
1976
- 1976-06-15 CA CA254,912A patent/CA1053377A/en not_active Expired
- 1976-06-24 US US05/699,323 patent/US4069041A/en not_active Expired - Lifetime
- 1976-06-25 CA CA255,689A patent/CA1082467A/en not_active Expired
- 1976-06-25 ZA ZA763823A patent/ZA763823B/xx unknown
- 1976-06-29 BE BE6045573A patent/BE843580A/xx not_active IP Right Cessation
- 1976-06-29 AU AU15395/76A patent/AU498795B2/en not_active Expired
- 1976-06-30 FR FR7620020A patent/FR2316341A1/fr active Granted
- 1976-06-30 ES ES0449347A patent/ES449347A1/es not_active Expired
- 1976-06-30 DE DE2629240A patent/DE2629240C2/de not_active Expired
- 1976-06-30 NO NO762279A patent/NO143464C/no unknown
- 1976-07-01 FI FI761921A patent/FI61522C/fi not_active IP Right Cessation
- 1976-07-01 JP JP7846476A patent/JPS526333A/ja active Granted
- 1976-07-01 GB GB2742676A patent/GB1515779A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU1539576A (en) | 1978-01-05 |
| BE843580A (fr) | 1976-10-18 |
| CA1053377A (en) | 1979-04-24 |
| US4069041A (en) | 1978-01-17 |
| NO143464C (no) | 1981-02-18 |
| FR2316341A1 (fr) | 1977-01-28 |
| CA1082467A (en) | 1980-07-29 |
| AU498795B2 (en) | 1979-03-22 |
| FR2316341B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-03-06 |
| DE2629240C2 (de) | 1983-02-10 |
| NO762279L (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-01-04 |
| SE396968B (sv) | 1977-10-10 |
| JPS526333A (en) | 1977-01-18 |
| NO143464B (no) | 1980-11-10 |
| JPS5751454B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-11-02 |
| ES449347A1 (es) | 1977-08-16 |
| SE7507507L (sv) | 1977-01-02 |
| DE2629240A1 (de) | 1977-02-03 |
| GB1515779A (en) | 1978-06-28 |
| FI61522B (fi) | 1982-04-30 |
| FI761921A7 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-01-02 |
| ZA763823B (en) | 1977-05-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: BOLIDEN AKTIEBOLAG |