CA1046289A - Hydrometallurgical treatment of nickel and copper bearing intermediates - Google Patents
Hydrometallurgical treatment of nickel and copper bearing intermediatesInfo
- Publication number
- CA1046289A CA1046289A CA227,457A CA227457A CA1046289A CA 1046289 A CA1046289 A CA 1046289A CA 227457 A CA227457 A CA 227457A CA 1046289 A CA1046289 A CA 1046289A
- Authority
- CA
- Canada
- Prior art keywords
- slurry
- sulphate
- nickel
- group
- metals
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical group [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 239000010949 copper Chemical group 0.000 title claims abstract description 31
- 229910052802 copper Chemical group 0.000 title claims abstract description 29
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 29
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000000543 intermediate Substances 0.000 title abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 37
- 239000002184 metal Substances 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 27
- 239000000243 solution Substances 0.000 claims abstract description 26
- 230000008569 process Effects 0.000 claims abstract description 20
- 239000010970 precious metal Substances 0.000 claims abstract description 19
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 15
- 239000010941 cobalt Substances 0.000 claims abstract description 15
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 15
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims abstract description 13
- 235000011130 ammonium sulphate Nutrition 0.000 claims abstract description 12
- 239000001166 ammonium sulphate Substances 0.000 claims abstract description 11
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims abstract description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000001117 sulphuric acid Substances 0.000 claims abstract description 8
- 235000011149 sulphuric acid Nutrition 0.000 claims abstract description 8
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 claims abstract description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 claims abstract description 4
- 235000011152 sodium sulphate Nutrition 0.000 claims abstract description 4
- 239000007864 aqueous solution Substances 0.000 claims abstract 2
- 239000002002 slurry Substances 0.000 claims description 33
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 18
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- 239000001301 oxygen Substances 0.000 claims description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 150000002739 metals Chemical class 0.000 claims description 10
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 9
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 229910052697 platinum Inorganic materials 0.000 claims description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 4
- 239000005864 Sulphur Substances 0.000 claims description 4
- 238000004090 dissolution Methods 0.000 claims description 4
- 229910000000 metal hydroxide Inorganic materials 0.000 claims description 4
- 229910052763 palladium Inorganic materials 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 150000004679 hydroxides Chemical class 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 150000004692 metal hydroxides Chemical class 0.000 claims 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 20
- -1 ferrous metals Chemical class 0.000 abstract description 13
- 229910021529 ammonia Inorganic materials 0.000 abstract description 9
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract description 8
- 230000001590 oxidative effect Effects 0.000 abstract description 3
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 238000000605 extraction Methods 0.000 description 10
- 238000007254 oxidation reaction Methods 0.000 description 10
- 230000003647 oxidation Effects 0.000 description 8
- 229910021653 sulphate ion Inorganic materials 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 238000011084 recovery Methods 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 6
- 239000007858 starting material Substances 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 238000002386 leaching Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- JJLJMEJHUUYSSY-UHFFFAOYSA-L copper(II) hydroxide Inorganic materials [OH-].[OH-].[Cu+2] JJLJMEJHUUYSSY-UHFFFAOYSA-L 0.000 description 3
- AEJIMXVJZFYIHN-UHFFFAOYSA-N copper;dihydrate Chemical compound O.O.[Cu] AEJIMXVJZFYIHN-UHFFFAOYSA-N 0.000 description 3
- 238000009854 hydrometallurgy Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- YGHCWPXPAHSSNA-UHFFFAOYSA-N nickel subsulfide Chemical compound [Ni].[Ni]=S.[Ni]=S YGHCWPXPAHSSNA-UHFFFAOYSA-N 0.000 description 3
- 229910021508 nickel(II) hydroxide Inorganic materials 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229910000366 copper(II) sulfate Inorganic materials 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 235000011121 sodium hydroxide Nutrition 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910017709 Ni Co Inorganic materials 0.000 description 1
- 229910003322 NiCu Inorganic materials 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 150000003841 chloride salts Chemical class 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910001956 copper hydroxide Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000009853 pyrometallurgy Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000003923 scrap metal Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- WWNBZGLDODTKEM-UHFFFAOYSA-N sulfanylidenenickel Chemical compound [Ni]=S WWNBZGLDODTKEM-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc 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
- C22B23/0415—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
- C22B23/0407—Leaching processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
- C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
- C22B3/08—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
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
- C22B7/007—Wet processes by acid leaching
-
- 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)
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA227,457A CA1046289A (en) | 1975-05-21 | 1975-05-21 | Hydrometallurgical treatment of nickel and copper bearing intermediates |
| AU13652/76A AU494889B2 (en) | 1975-05-21 | 1976-05-05 | Hydrometallurgical treatment of nickel and copper bearing intermediates |
| ZA762717A ZA762717B (en) | 1975-05-21 | 1976-05-06 | Hydrometallurgical treatment of nickel and copper bearing intermediates |
| GB18923/76A GB1510287A (en) | 1975-05-21 | 1976-05-07 | Hydrometallurgical treatment of nickel cobalt and copper bearing intermediates |
| GR50665A GR60007B (en) | 1975-05-21 | 1976-05-08 | Hydrometallurgical treatment of nickel and copper bearing intermediates |
| DE19762620659 DE2620659A1 (de) | 1975-05-21 | 1976-05-11 | Verfahren zur behandlung metallhaltiger zwischenprodukte |
| FI761321A FI65450C (fi) | 1975-05-21 | 1976-05-11 | Hydrometallurgiskt foerfarande foer utvinning av ickejaernmetaller |
| PH18445A PH10990A (en) | 1975-05-21 | 1976-05-17 | Hydrometallurgical treatment of nickel and copper bearing intermediates |
| JP51056751A JPS5945742B2 (ja) | 1975-05-21 | 1976-05-19 | 金属含有中間材料を処理する方法 |
| FR7615270A FR2311856A1 (fr) | 1975-05-21 | 1976-05-20 | Procede hydrometallurgique pour recuperer les metaux non ferreux des matieres metalliferes |
| ES448133A ES448133A1 (es) | 1975-05-21 | 1976-05-21 | Procedimiento para el tratamiento de materiales intermedios portadores de metales. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA227,457A CA1046289A (en) | 1975-05-21 | 1975-05-21 | Hydrometallurgical treatment of nickel and copper bearing intermediates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1046289A true CA1046289A (en) | 1979-01-16 |
Family
ID=4103136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA227,457A Expired CA1046289A (en) | 1975-05-21 | 1975-05-21 | Hydrometallurgical treatment of nickel and copper bearing intermediates |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5945742B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1046289A (enrdf_load_stackoverflow) |
| DE (1) | DE2620659A1 (enrdf_load_stackoverflow) |
| ES (1) | ES448133A1 (enrdf_load_stackoverflow) |
| FI (1) | FI65450C (enrdf_load_stackoverflow) |
| FR (1) | FR2311856A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1510287A (enrdf_load_stackoverflow) |
| GR (1) | GR60007B (enrdf_load_stackoverflow) |
| PH (1) | PH10990A (enrdf_load_stackoverflow) |
| ZA (1) | ZA762717B (enrdf_load_stackoverflow) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4098870A (en) * | 1977-07-22 | 1978-07-04 | Amax Inc. | Acid leaching of nickeliferous oxide ores with minimized scaling |
| GB2001612B (en) * | 1977-08-01 | 1982-05-26 | Amax Inc | Leaching nickeliferous oxide ores |
| CA1107678A (en) * | 1978-04-12 | 1981-08-25 | Kohur N. Subramanian | Nickel recovery from sulfur-deficient mattes |
| RU2160319C1 (ru) * | 2000-03-23 | 2000-12-10 | Открытое акционерное общество "Кольская горно-металлургическая компания" | Способ переработки промпродуктов медно-никелевого производства |
| RU2226559C2 (ru) * | 2001-10-10 | 2004-04-10 | Григорович Марина Михайловна | Способ переработки медьсодержащих отходов |
| RU2215801C2 (ru) * | 2001-12-25 | 2003-11-10 | ОАО "Институт Гипроникель" | Способ получения селективных концентратов благородных металлов |
| RU2236473C1 (ru) * | 2003-05-06 | 2004-09-20 | ГУП "Всероссийский научно-исследовательский институт химической технологии" | Способ обработки медьсодержащих отходов |
| RU2245382C1 (ru) * | 2003-05-21 | 2005-01-27 | Левенец Ирина Николаевна | Способ получения концентратов платиновых металлов и серебра из платиносодержащего сырья |
| RU2276195C1 (ru) * | 2004-08-31 | 2006-05-10 | ОАО "Институт Гипроникель" | Способ обогащения шламов электролиза никеля и других продуктов, содержащих платиновые металлы, золото и серебро |
| RU2326950C1 (ru) * | 2006-11-20 | 2008-06-20 | Институт металлургии и материаловедения им. А.А. Байкова РАН | Способ серно-кислотного выщелачивания металлической меди |
| ES2374938B1 (es) * | 2010-03-03 | 2013-01-24 | Fundación Investigación E Innovación Para El Desarrollo Social | Procedimiento para la recuperación del amoniaco y de residuos metálicos a partir del sulfato amónico. |
| RU2578882C2 (ru) * | 2013-12-12 | 2016-03-27 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" | Способ выщелачивания металлической меди |
| RU2560894C1 (ru) * | 2014-06-10 | 2015-08-20 | Оао "Некк" | Способ обработки медьсодержащих материалов |
| CN111575491B (zh) * | 2020-06-29 | 2021-11-19 | 株洲冶炼集团股份有限公司 | 一种湿法炼锌砷盐净化钴镍渣的资源综合利用方法 |
| CN113604669A (zh) * | 2021-07-21 | 2021-11-05 | 申能环境科技有限公司 | 一种从电镀含镍污泥中选择性回收铜和镍的方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE558922A (enrdf_load_stackoverflow) * | ||||
| FR1207114A (fr) * | 1957-08-02 | 1960-02-15 | Freeport Sulphur Co | Procédé de récupération de métaux |
| US3616331A (en) * | 1968-08-03 | 1971-10-26 | Int Nickel Co | Recovery of nickel and copper from sulfides |
| DE1947535B1 (de) * | 1969-09-19 | 1971-08-26 | Norddeutsche Affinerie | Verfahren zum Aufschluss von Metalle und Sulfidschwefel enthaltenden Ausgangsstoffen |
| US3652265A (en) * | 1969-11-28 | 1972-03-28 | Engelhard Min & Chem | Recovery of metal values from nickel-copper mattes |
| DE1965655C3 (de) * | 1969-12-31 | 1972-11-09 | Norddeutsche Affinerie | Verfahren zum Aufschluss von Sulfidschwefel enthaltenden Ausgangsstoffen |
-
1975
- 1975-05-21 CA CA227,457A patent/CA1046289A/en not_active Expired
-
1976
- 1976-05-06 ZA ZA762717A patent/ZA762717B/xx unknown
- 1976-05-07 GB GB18923/76A patent/GB1510287A/en not_active Expired
- 1976-05-08 GR GR50665A patent/GR60007B/el unknown
- 1976-05-11 FI FI761321A patent/FI65450C/fi not_active IP Right Cessation
- 1976-05-11 DE DE19762620659 patent/DE2620659A1/de not_active Withdrawn
- 1976-05-17 PH PH18445A patent/PH10990A/en unknown
- 1976-05-19 JP JP51056751A patent/JPS5945742B2/ja not_active Expired
- 1976-05-20 FR FR7615270A patent/FR2311856A1/fr not_active Withdrawn
- 1976-05-21 ES ES448133A patent/ES448133A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| PH10990A (en) | 1977-10-20 |
| ES448133A1 (es) | 1977-07-16 |
| GB1510287A (en) | 1978-05-10 |
| FR2311856A1 (fr) | 1976-12-17 |
| AU1365276A (en) | 1977-11-10 |
| FI65450B (fi) | 1984-01-31 |
| ZA762717B (en) | 1977-04-27 |
| GR60007B (en) | 1978-03-28 |
| JPS5945742B2 (ja) | 1984-11-08 |
| FI65450C (fi) | 1984-05-10 |
| JPS51141712A (en) | 1976-12-06 |
| DE2620659A1 (de) | 1976-12-09 |
| FI761321A7 (enrdf_load_stackoverflow) | 1976-11-22 |
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