JP7438155B2 - 低砒素銅精鉱の製造方法 - Google Patents
低砒素銅精鉱の製造方法 Download PDFInfo
- Publication number
- JP7438155B2 JP7438155B2 JP2021028576A JP2021028576A JP7438155B2 JP 7438155 B2 JP7438155 B2 JP 7438155B2 JP 2021028576 A JP2021028576 A JP 2021028576A JP 2021028576 A JP2021028576 A JP 2021028576A JP 7438155 B2 JP7438155 B2 JP 7438155B2
- Authority
- JP
- Japan
- Prior art keywords
- copper
- arsenic
- ore
- flotation
- minerals
- 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.)
- Active
Links
- 239000012141 concentrate Substances 0.000 title claims description 62
- JEMGLEPMXOIVNS-UHFFFAOYSA-N arsenic copper Chemical compound [Cu].[As] JEMGLEPMXOIVNS-UHFFFAOYSA-N 0.000 title claims description 32
- 238000004519 manufacturing process Methods 0.000 title claims description 26
- 239000010949 copper Substances 0.000 claims description 109
- 229910052802 copper Inorganic materials 0.000 claims description 105
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 104
- 229910052785 arsenic Inorganic materials 0.000 claims description 104
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 101
- 238000005188 flotation Methods 0.000 claims description 70
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 66
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 47
- 239000011707 mineral Substances 0.000 claims description 47
- -1 sulfur oxoacids Chemical class 0.000 claims description 38
- 229910052717 sulfur Inorganic materials 0.000 claims description 36
- 239000011593 sulfur Substances 0.000 claims description 36
- 229910001779 copper mineral Inorganic materials 0.000 claims description 30
- 238000007667 floating Methods 0.000 claims description 20
- 229910052964 arsenopyrite Inorganic materials 0.000 claims description 10
- 239000000654 additive Substances 0.000 claims description 9
- MJLGNAGLHAQFHV-UHFFFAOYSA-N arsenopyrite Chemical group [S-2].[Fe+3].[As-] MJLGNAGLHAQFHV-UHFFFAOYSA-N 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 230000001590 oxidative effect Effects 0.000 claims description 5
- 230000000996 additive effect Effects 0.000 claims description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 3
- 230000001376 precipitating effect Effects 0.000 claims 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-N sulfurothioic S-acid Chemical compound OS(O)(=O)=S DHCDFWKWKRSZHF-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 description 60
- 230000008569 process Effects 0.000 description 34
- 239000002002 slurry Substances 0.000 description 17
- 238000011084 recovery Methods 0.000 description 16
- 238000003723 Smelting Methods 0.000 description 13
- 239000000126 substance Substances 0.000 description 13
- 239000002994 raw material Substances 0.000 description 11
- 239000012535 impurity Substances 0.000 description 8
- 238000000926 separation method Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 description 7
- 239000004088 foaming agent Substances 0.000 description 7
- 239000003112 inhibitor Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 230000003750 conditioning effect Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 5
- 235000019345 sodium thiosulphate Nutrition 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000012216 screening Methods 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 229910052569 sulfide mineral Inorganic materials 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000001238 wet grinding Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 235000000177 Indigofera tinctoria Nutrition 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 229910052948 bornite Inorganic materials 0.000 description 2
- 229910052947 chalcocite Inorganic materials 0.000 description 2
- 229910052951 chalcopyrite Inorganic materials 0.000 description 2
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical compound [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 description 2
- 239000002738 chelating agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008396 flotation agent Substances 0.000 description 2
- 230000005661 hydrophobic surface Effects 0.000 description 2
- 229940097275 indigo Drugs 0.000 description 2
- COHYTHOBJLSHDF-UHFFFAOYSA-N indigo powder Natural products N1C2=CC=CC=C2C(=O)C1=C1C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-UHFFFAOYSA-N 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 239000002516 radical scavenger Substances 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 2
- DHCDFWKWKRSZHF-UHFFFAOYSA-L thiosulfate(2-) Chemical compound [O-]S([S-])(=O)=O DHCDFWKWKRSZHF-UHFFFAOYSA-L 0.000 description 2
- 150000004764 thiosulfuric acid derivatives Chemical class 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- PQUCIEFHOVEZAU-UHFFFAOYSA-N Diammonium sulfite Chemical compound [NH4+].[NH4+].[O-]S([O-])=O PQUCIEFHOVEZAU-UHFFFAOYSA-N 0.000 description 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 125000003275 alpha amino acid group Chemical group 0.000 description 1
- XYXNTHIYBIDHGM-UHFFFAOYSA-N ammonium thiosulfate Chemical compound [NH4+].[NH4+].[O-]S([O-])(=O)=S XYXNTHIYBIDHGM-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 229940116318 copper carbonate Drugs 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- BUGICWZUDIWQRQ-UHFFFAOYSA-N copper iron sulfane Chemical compound S.[Fe].[Cu] BUGICWZUDIWQRQ-UHFFFAOYSA-N 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- GEZOTWYUIKXWOA-UHFFFAOYSA-L copper;carbonate Chemical compound [Cu+2].[O-]C([O-])=O GEZOTWYUIKXWOA-UHFFFAOYSA-L 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- FGRVOLIFQGXPCT-UHFFFAOYSA-L dipotassium;dioxido-oxo-sulfanylidene-$l^{6}-sulfane Chemical compound [K+].[K+].[O-]S([O-])(=O)=S FGRVOLIFQGXPCT-UHFFFAOYSA-L 0.000 description 1
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000005456 ore beneficiation Methods 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- BHZRJJOHZFYXTO-UHFFFAOYSA-L potassium sulfite Chemical compound [K+].[K+].[O-]S([O-])=O BHZRJJOHZFYXTO-UHFFFAOYSA-L 0.000 description 1
- 235000019252 potassium sulphite Nutrition 0.000 description 1
- YIBBMDDEXKBIAM-UHFFFAOYSA-M potassium;pentoxymethanedithioate Chemical compound [K+].CCCCCOC([S-])=S YIBBMDDEXKBIAM-UHFFFAOYSA-M 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 108090000765 processed proteins & peptides Proteins 0.000 description 1
- 238000009853 pyrometallurgy Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 235000012247 sodium ferrocyanide Nutrition 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052969 tetrahedrite Inorganic materials 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
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0084—Treating solutions
- C22B15/0089—Treating solutions by chemical methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/002—Inorganic compounds
-
- 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
- C22B1/11—Removing sulfur, phosphorus or arsenic other than by 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
-
- 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
- C22B30/00—Obtaining antimony, arsenic or bismuth
- C22B30/04—Obtaining arsenic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/02—Collectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/06—Depressants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; specified applications
- B03D2203/02—Ores
-
- 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)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Description
〔1〕含砒素銅鉱石を原料とした浮遊選鉱により、銅精鉱を製造するにあたり、添加薬剤として、硫黄のオキソ酸類と過酸化水素とを併用することを特徴とする、低砒素銅精鉱の製造方法。
〔2〕硫黄のオキソ酸類が、チオ硫酸塩また亜硫酸塩であることを特徴とする、〔1〕に記載の低砒素銅精鉱の製造方法。
〔3〕硫黄のオキソ酸類の添加量が、含砒素銅鉱石1tに対して、0.1~3kgであることを特徴とする、〔1〕または〔2〕に記載の低砒素銅精鉱の製造方法。
〔4〕過酸化水素の添加量が、含砒素銅鉱石1tに対して、0.1~5kgであることを特徴とする〔1〕ないし〔3〕のいずれかに記載の低砒素銅精鉱の製造方法。
〔5〕添加薬剤の添加順序として、硫黄のオキソ酸類、続いて過酸化水素とすることを特徴とする〔1〕ないし〔4〕のいずれかに記載の低砒素銅精鉱の製造方法。
〔6〕含砒素銅鉱石に含まれる砒素鉱物が、硫砒銅鉱、砒四面銅鉱であることを特徴とする〔1〕ないし〔5〕のいずれかに記載の低砒素銅精鉱の製造方法。
表1に示す組成のチリ産の含砒素銅鉱石Aを原料として、浮遊選鉱試験を実施した。
表5に示す組成のチリ産の含砒素銅鉱石Bを原料として、浮遊選鉱試験を実施した。
Claims (6)
- 浮遊選鉱により含砒素銅鉱石から銅精鉱を製造する低砒素銅精鉱の製造方法であって、
添加薬剤として過酸化水素と硫黄のオキソ酸類を併用し、
前記過酸化水素の酸化作用により砒素鉱物を酸化して沈鉱させ、
前記硫黄のオキソ酸類により銅鉱物の表面疎水性を保持させて前記銅鉱物を浮鉱させることにより、前記銅鉱物を分離回収することを特徴とする、低砒素銅精鉱の製造方法。 - 前記硫黄のオキソ酸類が、チオ硫酸塩また亜硫酸塩であることを特徴とする、請求項1に記載の低砒素銅精鉱の製造方法。
- 前記硫黄のオキソ酸類の添加量が、前記含砒素銅鉱石1tに対して、0.1~3kgであることを特徴とする、請求項1又は2に記載の低砒素銅精鉱の製造方法。
- 前記過酸化水素の添加量が、前記含砒素銅鉱石1tに対して、0.1~5kgであることを特徴とする請求項1ないし3のいずれか1項に記載の低砒素銅精鉱の製造方法。
- 前記添加薬剤の添加順序として、前記硫黄のオキソ酸類、続いて前記過酸化水素とすることを特徴とする請求項1ないし4のいずれか1項に記載の低砒素銅精鉱の製造方法。
- 前記含砒素銅鉱石に含まれる前記砒素鉱物が、硫砒銅鉱、砒四面銅鉱であることを特徴とする請求項1ないし5のいずれか1項に記載の低砒素銅精鉱の製造方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021028576A JP7438155B2 (ja) | 2021-02-25 | 2021-02-25 | 低砒素銅精鉱の製造方法 |
US18/277,852 US20240124952A1 (en) | 2021-02-25 | 2022-02-25 | Method for producing low-arsenic copper concentrate |
PE2023002387A PE20241027A1 (es) | 2021-02-25 | 2022-02-25 | Metodo para la produccion de concentrado de cobre con bajo contenido de arsenico |
PCT/JP2022/007778 WO2022181742A1 (ja) | 2021-02-25 | 2022-02-25 | 低砒素銅精鉱の製造方法 |
AU2022225970A AU2022225970A1 (en) | 2021-02-25 | 2022-02-25 | Method for producing low-arsenic copper concentrate |
CL2023002415A CL2023002415A1 (es) | 2021-02-25 | 2023-08-14 | Método para la producción de concentrado de cobre con bajo contenido de arsénico. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021028576A JP7438155B2 (ja) | 2021-02-25 | 2021-02-25 | 低砒素銅精鉱の製造方法 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2022129765A JP2022129765A (ja) | 2022-09-06 |
JP2022129765A5 JP2022129765A5 (ja) | 2023-09-28 |
JP7438155B2 true JP7438155B2 (ja) | 2024-02-26 |
Family
ID=83047721
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021028576A Active JP7438155B2 (ja) | 2021-02-25 | 2021-02-25 | 低砒素銅精鉱の製造方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20240124952A1 (ja) |
JP (1) | JP7438155B2 (ja) |
AU (1) | AU2022225970A1 (ja) |
CL (1) | CL2023002415A1 (ja) |
PE (1) | PE20241027A1 (ja) |
WO (1) | WO2022181742A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017110462A1 (ja) | 2015-12-24 | 2017-06-29 | 国立大学法人九州大学 | 選鉱方法 |
US20180258510A1 (en) | 2016-04-28 | 2018-09-13 | Eldorado Gold Corporation | Method for reducing arsenic content in arsenic-bearing gold material |
JP2020104095A (ja) | 2018-09-14 | 2020-07-09 | 国立大学法人九州大学 | 選鉱方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3811569A (en) * | 1971-06-07 | 1974-05-21 | Fmc Corp | Flotation recovery of molybdenite |
US7004326B1 (en) * | 2004-10-07 | 2006-02-28 | Inco Limited | Arsenide depression in flotation of multi-sulfide minerals |
-
2021
- 2021-02-25 JP JP2021028576A patent/JP7438155B2/ja active Active
-
2022
- 2022-02-25 WO PCT/JP2022/007778 patent/WO2022181742A1/ja active Application Filing
- 2022-02-25 PE PE2023002387A patent/PE20241027A1/es unknown
- 2022-02-25 US US18/277,852 patent/US20240124952A1/en active Pending
- 2022-02-25 AU AU2022225970A patent/AU2022225970A1/en active Pending
-
2023
- 2023-08-14 CL CL2023002415A patent/CL2023002415A1/es unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017110462A1 (ja) | 2015-12-24 | 2017-06-29 | 国立大学法人九州大学 | 選鉱方法 |
US20180258510A1 (en) | 2016-04-28 | 2018-09-13 | Eldorado Gold Corporation | Method for reducing arsenic content in arsenic-bearing gold material |
JP2020104095A (ja) | 2018-09-14 | 2020-07-09 | 国立大学法人九州大学 | 選鉱方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2022181742A1 (ja) | 2022-09-01 |
CL2023002415A1 (es) | 2024-01-12 |
JP2022129765A (ja) | 2022-09-06 |
AU2022225970A1 (en) | 2023-08-24 |
PE20241027A1 (es) | 2024-05-08 |
US20240124952A1 (en) | 2024-04-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7004326B1 (en) | Arsenide depression in flotation of multi-sulfide minerals | |
EP2806975B1 (en) | Enrichment of metal sulfide ores by oxidant assisted froth flotation | |
CN100485059C (zh) | 从硫化物精矿中回收金的方法 | |
JP5550933B2 (ja) | 高砒素含銅物からの砒素鉱物の分離方法 | |
JP7344504B2 (ja) | 選鉱方法 | |
JP2017202481A (ja) | 選鉱方法 | |
US20190256950A1 (en) | Process for metal recovery in flotation operations | |
RU2655865C2 (ru) | Способ извлечения сульфида меди из руды, содержащей сульфид железа | |
JP6809956B2 (ja) | モリブデン精鉱の分離方法 | |
JP2018034128A (ja) | モリブデン精鉱の分離方法 | |
JP5811010B2 (ja) | 微細鉱物を含む鉱石の選鉱方法 | |
WO2021106631A1 (ja) | 選鉱方法 | |
CN112138855B (zh) | 一种实现锌氧压浸出硫浮选尾渣资源化的方法 | |
JP2017095763A (ja) | 選鉱方法 | |
JP5774374B2 (ja) | 砒素鉱物を含む含銅物からの砒素鉱物の分離方法 | |
WO2017110462A1 (ja) | 選鉱方法 | |
JP7299592B2 (ja) | 選鉱方法 | |
AU2016404815B2 (en) | Method for reducing arsenic content in arsenic-bearing gold material | |
JP2010229542A (ja) | 含銅物からの黄鉄鉱の分離方法 | |
JP7438155B2 (ja) | 低砒素銅精鉱の製造方法 | |
O'Connor et al. | The practice of pyrite flotation in South Africa and Australia | |
RU2310512C2 (ru) | Способ обогащения сульфидов | |
JP5188118B2 (ja) | 黄鉄鉱の浮遊性を抑制する浮遊選鉱方法 | |
US1335000A (en) | Process of treating metalliferous materials | |
Lin | Characterization and flotation of sulfur from chalcopyrite concentrate leaching residue |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230920 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20230920 |
|
A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20230920 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20231115 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20231225 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20240131 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20240213 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7438155 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |