NO129913B - - Google Patents
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- Publication number
- NO129913B NO129913B NO03069/69A NO306969A NO129913B NO 129913 B NO129913 B NO 129913B NO 03069/69 A NO03069/69 A NO 03069/69A NO 306969 A NO306969 A NO 306969A NO 129913 B NO129913 B NO 129913B
- Authority
- NO
- Norway
- Prior art keywords
- copper
- nickel
- solution
- iron
- leaching
- Prior art date
Links
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 151
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 127
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 96
- 229910052802 copper Inorganic materials 0.000 claims description 93
- 239000010949 copper Substances 0.000 claims description 93
- 229910052759 nickel Inorganic materials 0.000 claims description 78
- 238000002386 leaching Methods 0.000 claims description 65
- 229910052742 iron Inorganic materials 0.000 claims description 64
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 56
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 52
- 238000000034 method Methods 0.000 claims description 40
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 34
- 229910052717 sulfur Inorganic materials 0.000 claims description 29
- 239000011593 sulfur Substances 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 27
- 229910017052 cobalt Inorganic materials 0.000 claims description 21
- 239000010941 cobalt Substances 0.000 claims description 21
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 21
- 239000007858 starting material Substances 0.000 claims description 19
- 239000005864 Sulphur Substances 0.000 claims description 18
- 239000002002 slurry Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- BWFPGXWASODCHM-UHFFFAOYSA-N copper monosulfide Chemical compound [Cu]=S BWFPGXWASODCHM-UHFFFAOYSA-N 0.000 claims description 11
- 230000006315 carbonylation Effects 0.000 claims description 9
- 238000005810 carbonylation reaction Methods 0.000 claims description 9
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 9
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 8
- 238000005649 metathesis reaction Methods 0.000 claims description 8
- 239000011790 ferrous sulphate Substances 0.000 claims description 7
- 229910000510 noble metal Inorganic materials 0.000 claims description 7
- 239000005569 Iron sulphate Substances 0.000 claims description 5
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 4
- 229910052976 metal sulfide Inorganic materials 0.000 claims description 4
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 3
- BQJTUDIVKSVBDU-UHFFFAOYSA-L copper;sulfuric acid;sulfate Chemical compound [Cu+2].OS(O)(=O)=O.[O-]S([O-])(=O)=O BQJTUDIVKSVBDU-UHFFFAOYSA-L 0.000 claims description 2
- PIGJJOFBKFPZQG-UHFFFAOYSA-L hydrogen sulfate;iron(2+) Chemical compound [Fe+2].OS([O-])(=O)=O.OS([O-])(=O)=O PIGJJOFBKFPZQG-UHFFFAOYSA-L 0.000 claims description 2
- VRRFSFYSLSPWQY-UHFFFAOYSA-N sulfanylidenecobalt Chemical class [Co]=S VRRFSFYSLSPWQY-UHFFFAOYSA-N 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 55
- 230000001590 oxidative effect Effects 0.000 description 22
- 230000002378 acidificating effect Effects 0.000 description 18
- 239000007864 aqueous solution Substances 0.000 description 18
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 11
- 239000007787 solid Substances 0.000 description 10
- 238000000605 extraction Methods 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 230000001105 regulatory effect Effects 0.000 description 9
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 7
- 239000010970 precious metal Substances 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 239000012141 concentrate Substances 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 5
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 4
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 4
- 238000005868 electrolysis reaction Methods 0.000 description 4
- 235000003891 ferrous sulphate Nutrition 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 238000005342 ion exchange Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 239000013067 intermediate product Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- -1 platinum group metals Chemical class 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- WWNBZGLDODTKEM-UHFFFAOYSA-N sulfanylidenenickel Chemical compound [Ni]=S WWNBZGLDODTKEM-UHFFFAOYSA-N 0.000 description 2
- 150000004763 sulfides Chemical class 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910021503 Cobalt(II) hydroxide Inorganic materials 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- ASKVAEGIVYSGNY-UHFFFAOYSA-L cobalt(ii) hydroxide Chemical compound [OH-].[OH-].[Co+2] ASKVAEGIVYSGNY-UHFFFAOYSA-L 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- PYRZPBDTPRQYKG-UHFFFAOYSA-N cyclopentene-1-carboxylic acid Chemical compound OC(=O)C1=CCCC1 PYRZPBDTPRQYKG-UHFFFAOYSA-N 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000005188 flotation Methods 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
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- 229910000008 nickel(II) carbonate Inorganic materials 0.000 description 1
- ZULUUIKRFGGGTL-UHFFFAOYSA-L nickel(ii) carbonate Chemical compound [Ni+2].[O-]C([O-])=O ZULUUIKRFGGGTL-UHFFFAOYSA-L 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000012047 saturated solution 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
- 238000010583 slow cooling Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003911 water pollution Methods 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
- C22B15/0002—Preliminary treatment
- C22B15/0004—Preliminary treatment without modification of the copper constituent
- C22B15/0006—Preliminary treatment without modification of the copper constituent by dry 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
- C22B15/00—Obtaining copper
- C22B15/0002—Preliminary treatment
- C22B15/0004—Preliminary treatment without modification of the copper constituent
- C22B15/0008—Preliminary treatment without modification of the copper constituent by wet 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
- 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
- C22B15/0089—Treating solutions by chemical methods
-
- 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
- C22B15/0091—Treating solutions by chemical methods by cementation
-
- 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
- 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
- C22B23/06—Refining
- C22B23/065—Refining carbonyl methods
-
- 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)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA26644 | 1968-08-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO129913B true NO129913B (fr) | 1974-06-10 |
Family
ID=4084423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO03069/69A NO129913B (fr) | 1968-08-03 | 1969-07-24 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3616331A (fr) |
| JP (1) | JPS5020541B1 (fr) |
| BE (1) | BE736998A (fr) |
| BR (1) | BR6911223D0 (fr) |
| DE (1) | DE1939342C3 (fr) |
| DO (1) | DOP1969001628A (fr) |
| FI (1) | FI50716C (fr) |
| FR (1) | FR2015023A1 (fr) |
| GB (1) | GB1283588A (fr) |
| NL (1) | NL6911733A (fr) |
| NO (1) | NO129913B (fr) |
| SE (1) | SE370250B (fr) |
| ZM (1) | ZM12269A1 (fr) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3741752A (en) * | 1971-01-22 | 1973-06-26 | Sherritt Gordon Mines Ltd | Acid leaching process for treating high grade nickel-copper mattes |
| US3673061A (en) * | 1971-02-08 | 1972-06-27 | Cyprus Metallurg Process | Process for the recovery of metals from sulfide ores through electrolytic dissociation of the sulfides |
| US3962051A (en) * | 1974-12-26 | 1976-06-08 | Amax Inc. | Atmospheric leaching of matte containing iron |
| US3954448A (en) * | 1975-01-28 | 1976-05-04 | Sumitomo Metal Mining Co. Limited | Process for recovering cobalt, copper, iron, nickel and arsenic |
| CA1046289A (fr) * | 1975-05-21 | 1979-01-16 | Sjaak J. Van Der Meulen | Traitement hydrometallurgique des intermediaires a teneur de nickel et de cuivre |
| CA1106617A (fr) * | 1978-10-30 | 1981-08-11 | Grigori S. Victorovich | Traduction non-disponible |
| CA1147970A (fr) * | 1980-12-23 | 1983-06-14 | Victor A. Ettel | Methode pour la recuperation de cobalt a partir de sulfures mixtes |
| FR2597465B1 (fr) * | 1986-04-17 | 1988-07-29 | Elf Aquitaine | Procede pour l'extraction du soufre de minerais pyritiques |
| AUPN564695A0 (en) * | 1995-09-27 | 1995-10-19 | Tioxide Australia Pty. Ltd. | Process and apparatus for extracting metal |
| GB9606570D0 (en) * | 1996-03-28 | 1996-06-05 | Tioxide Group Services Ltd | Metal extraction process |
| US5993514A (en) * | 1997-10-24 | 1999-11-30 | Dynatec Corporation | Process for upgrading copper sulphide residues containing nickel and iron |
| US7435325B2 (en) * | 2001-08-01 | 2008-10-14 | Nippon Mining & Metals Co., Ltd | Method for producing high purity nickle, high purity nickle, sputtering target comprising the high purity nickel, and thin film formed by using said spattering target |
| US20050193863A1 (en) * | 2004-03-05 | 2005-09-08 | Muinonen Mika E.S. | Selective reduction of cupriferous calcine |
| JP5423046B2 (ja) * | 2009-02-26 | 2014-02-19 | 住友金属鉱山株式会社 | 硫化銅鉱物を含む銅原料の浸出方法 |
| US20120027652A1 (en) * | 2010-04-01 | 2012-02-02 | Polymet Mining Corp. | Metathetic copper concentrate enrichment |
| CN103668323B (zh) * | 2013-12-12 | 2016-06-08 | 昆明理工大学 | 一种电解-分段电积法处理含铜镍物料的方法 |
| US10023935B2 (en) | 2014-09-12 | 2018-07-17 | Flsmidth A/S | System and method for enhanced metal recovery during atmospheric leaching of metal sulfides |
| FI129230B (en) | 2014-11-20 | 2021-09-30 | Smidth As F L | Systems and methods for improving the recovery of metal during atmospheric leaching of metal sulphides |
| US11898221B2 (en) | 2017-05-17 | 2024-02-13 | Flsmidth A/S | Activation system and method for enhancing metal recovery during atmospheric leaching of metal sulfides |
-
1969
- 1969-06-23 US US3616331D patent/US3616331A/en not_active Expired - Lifetime
- 1969-07-24 NO NO03069/69A patent/NO129913B/no unknown
- 1969-07-25 ZM ZM12269A patent/ZM12269A1/xx unknown
- 1969-07-30 SE SE1068369A patent/SE370250B/xx unknown
- 1969-07-31 NL NL6911733A patent/NL6911733A/xx unknown
- 1969-07-31 FI FI227469A patent/FI50716C/fi active
- 1969-08-01 DE DE1939342A patent/DE1939342C3/de not_active Expired
- 1969-08-01 BR BR21122369A patent/BR6911223D0/pt unknown
- 1969-08-01 BE BE736998D patent/BE736998A/xx unknown
- 1969-08-01 FR FR6926633A patent/FR2015023A1/fr not_active Withdrawn
- 1969-08-01 DO DO1969001628A patent/DOP1969001628A/es unknown
- 1969-08-04 JP JP6162769A patent/JPS5020541B1/ja active Pending
- 1969-08-04 GB GB3899369A patent/GB1283588A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1939342B2 (de) | 1973-06-20 |
| DE1939342C3 (de) | 1974-01-17 |
| FI50716B (fr) | 1976-03-01 |
| FI50716C (fi) | 1976-06-10 |
| DOP1969001628A (es) | 1974-06-24 |
| DE1939342A1 (de) | 1972-02-24 |
| US3616331A (en) | 1971-10-26 |
| BR6911223D0 (pt) | 1973-03-08 |
| NL6911733A (fr) | 1970-02-05 |
| JPS5020541B1 (fr) | 1975-07-16 |
| GB1283588A (en) | 1972-07-26 |
| SE370250B (fr) | 1974-10-07 |
| ZM12269A1 (en) | 1969-12-17 |
| FR2015023A1 (fr) | 1970-04-24 |
| BE736998A (fr) | 1970-02-02 |
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