JP5567670B2 - 酸化物鉱石から卑金属を回収する方法 - Google Patents
酸化物鉱石から卑金属を回収する方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 46
- 239000010953 base metal Substances 0.000 title claims description 26
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 64
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 50
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 49
- 238000002386 leaching Methods 0.000 claims description 38
- 229910052759 nickel Inorganic materials 0.000 claims description 32
- 229910052742 iron Inorganic materials 0.000 claims description 25
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 24
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 24
- 229960002089 ferrous chloride Drugs 0.000 claims description 23
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 claims description 23
- 239000011777 magnesium Substances 0.000 claims description 18
- 229910052749 magnesium Inorganic materials 0.000 claims description 18
- 229910052751 metal Inorganic materials 0.000 claims description 17
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 229910001868 water Inorganic materials 0.000 claims description 15
- 239000010941 cobalt Substances 0.000 claims description 14
- 229910017052 cobalt Inorganic materials 0.000 claims description 14
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 239000011019 hematite Substances 0.000 claims description 11
- 229910052595 hematite Inorganic materials 0.000 claims description 11
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 claims description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 229910001510 metal chloride Inorganic materials 0.000 claims description 8
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910044991 metal oxide Inorganic materials 0.000 claims description 6
- 150000004706 metal oxides Chemical class 0.000 claims description 6
- 239000007800 oxidant agent Substances 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 230000001172 regenerating effect Effects 0.000 claims description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 239000012286 potassium permanganate Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims 4
- 238000004090 dissolution Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 description 20
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 19
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 19
- 239000002253 acid Substances 0.000 description 18
- 239000011504 laterite Substances 0.000 description 17
- 229910001710 laterite Inorganic materials 0.000 description 17
- 238000000605 extraction Methods 0.000 description 16
- 239000002002 slurry Substances 0.000 description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 9
- 229910052500 inorganic mineral Inorganic materials 0.000 description 8
- 150000002739 metals Chemical class 0.000 description 8
- 239000011707 mineral Substances 0.000 description 8
- 235000010755 mineral Nutrition 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000002994 raw material Substances 0.000 description 7
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000007062 hydrolysis Effects 0.000 description 5
- 238000006460 hydrolysis reaction Methods 0.000 description 5
- 238000006386 neutralization reaction Methods 0.000 description 5
- 238000007038 hydrochlorination reaction Methods 0.000 description 4
- 239000011572 manganese Substances 0.000 description 4
- 238000010977 unit operation Methods 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000001103 potassium chloride Substances 0.000 description 3
- 235000011164 potassium chloride Nutrition 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000007928 solubilization Effects 0.000 description 3
- 238000005063 solubilization Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229910020598 Co Fe Inorganic materials 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 150000003841 chloride salts Chemical class 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 2
- 235000013980 iron oxide Nutrition 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- IPRPPFIAVHPVJH-UHFFFAOYSA-N (4-hydroxyphenyl)acetaldehyde Chemical compound OC1=CC=C(CC=O)C=C1 IPRPPFIAVHPVJH-UHFFFAOYSA-N 0.000 description 1
- CNJLMVZFWLNOEP-UHFFFAOYSA-N 4,7,7-trimethylbicyclo[4.1.0]heptan-5-one Chemical compound O=C1C(C)CCC2C(C)(C)C12 CNJLMVZFWLNOEP-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminum chloride Substances Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229960004887 ferric hydroxide Drugs 0.000 description 1
- VOAPTKOANCCNFV-UHFFFAOYSA-N hexahydrate;hydrochloride Chemical compound O.O.O.O.O.O.Cl VOAPTKOANCCNFV-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- UCNNJGDEJXIUCC-UHFFFAOYSA-L hydroxy(oxo)iron;iron Chemical compound [Fe].O[Fe]=O.O[Fe]=O UCNNJGDEJXIUCC-UHFFFAOYSA-L 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 235000012245 magnesium oxide Nutrition 0.000 description 1
- JESHZQPNPCJVNG-UHFFFAOYSA-L magnesium;sulfite Chemical compound [Mg+2].[O-]S([O-])=O JESHZQPNPCJVNG-UHFFFAOYSA-L 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000003921 particle size analysis Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
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- 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
- 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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/02—Roasting processes
- C22B1/08—Chloridising 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
- C22B15/0019—Chloridizing 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
- C22B15/0082—Leaching or slurrying with water
-
- 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
- C22B23/00—Obtaining nickel or cobalt
-
- 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
- C22B23/005—Preliminary treatment of ores, e.g. by roasting or by the Krupp-Renn process
-
- 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
-
- 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
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- Y02P10/20—Recycling
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- Geology (AREA)
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Description
本開示は、酸化物型材料からの卑金属有価物、例えばニッケル、コバルト等の回収に関する。
酸化物鉱石から、特にラテライトからニッケル及び他の卑金属を抽出するための、当業者に利用可能な幾つかの方法がある。これらの従来方法には、一般的に、ラテライトからのニッケル製造を困難な仕事にする幾つかの欠点がある。
リモナイト型鉱石100gを、1.03%Ni、35.06%Fe、12%Si、4.05%Mg、1.94%Al、0.64%Mn及び0.065%コバルトを含んでなるラテライト鉱石、及び六水和塩化第二鉄10gと、400℃で180分間混合する。抽出結果を下記の表1に示す。
表1−例1の抽出結果
元素抽出
Al Co Fe Mg Mn Ni
0.10% 98.10% 0.50% 0.30% 0.40% 95%
ラテライトチャージを、300℃で湿潤空気を注入しながら、90分間の間接的な塩化水素化にかける。試料は、2.01%Ni、0.073%Co、49.1%Fe、3.07%Mg及び06%SiO2を含む。抽出結果を下記の表2に示す。
表2−例2の抽出結果
元素抽出
Al Co Fe Mg Mn Ni
0.08% 94.12% 1.50% 0.21% 0.29% 96.70%
Claims (14)
- 鉄、マグネシウム及びアルミニウムからなる群から選択される第一の金属と、ニッケル、コバルト及び銅からなる群から選択される第二の金属とを含む酸化物鉱石から卑金属を回収する方法であって、
前記酸化物鉱石を塩化第二鉄又は第一鉄の少なくとも一方と接触させて塩化物を形成すること、
前記酸化物鉱石と前記塩化第二鉄又は第一鉄の前記少なくとも一方の混合物を加熱して、前記塩化物を塩酸及びヘマタイトに分解すること、
前記塩酸を前記第二の金属の卑金属酸化物と接触させて、第二の金属塩化物を形成すること、及び
前記第二の金属塩化物を選択的に溶解させて、第一の金属酸化物を固体状態で残すことを含んでなり、
前記ヘマタイトを、塩酸と接触させることによって塩化第二鉄を再生すること、又は塩酸及び還元剤と接触させることによって塩化第一鉄を再生することをさらに含んでなる、方法。 - 前記酸化物鉱石を塩化第二鉄又は第一鉄の少なくとも一方と接触させる前に、鉱石の粒子径を2mm〜0.050mmに低下させる、請求項1に記載の方法。
- 前記塩化第二鉄を酸化物鉱石質量の0.05〜1.5倍の比で加える、請求項1に記載の方法。
- 前記塩化第一鉄を酸化物鉱石質量の0.05〜1.5倍の比で加える、請求項1に記載の方法。
- 酸化剤を前記鉱石質量の0.0001〜10倍の比で前記酸化物鉱石に加えて、前記塩化第一鉄と反応させる、請求項4に記載の方法。
- 前記酸化剤が、酸素、過マンガン酸カリウム、オゾン及び過酸化水素からなる群から選択される、請求項5に記載の方法。
- 前記加熱が、100℃〜300℃と60℃〜600℃の2つの異なる温度範囲で行われる、請求項1に記載の方法。
- 前記加熱が0.5時間〜12時間行われる、請求項1に記載の方法。
- 前記混合物を加熱する間に水を添加することをさらに含んでなる、請求項1に記載の方法。
- 前記水の添加が、湿潤空気の注入をさらに含んでなる、請求項9に記載の方法。
- 前記第二の金属塩化物を選択的に溶解させる前又は間の少なくとも一方で、前記酸化物鉱石を山積みし、塩酸を100g/Lまで含んでなりpHが1〜3である酸性化された水で浸出する、請求項1に記載の方法。
- 前記第二の金属塩化物を選択的に溶解させた後、固液分離工程をさらに含んでなる、請求項1に記載の方法。
- 前記固液分離工程から得られる尾鉱を高強度の磁場と接触させ、ヘマタイトを分離する、請求項12に記載の方法。
- 前記還元剤が金属鉄を含んでなる、請求項1に記載の方法。
Applications Claiming Priority (5)
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| US22526409P | 2009-07-14 | 2009-07-14 | |
| US61/225,264 | 2009-07-14 | ||
| US12/835,455 | 2010-07-13 | ||
| US12/835,455 US8173086B2 (en) | 2009-07-14 | 2010-07-13 | Process of recovery of base metals from oxide ores |
| PCT/BR2010/000227 WO2011006223A1 (en) | 2009-07-14 | 2010-07-14 | Process of recovery of base metals from oxide ores |
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| JP2012532994A JP2012532994A (ja) | 2012-12-20 |
| JP5567670B2 true JP5567670B2 (ja) | 2014-08-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8802042B2 (en) * | 2002-07-19 | 2014-08-12 | Vale S.A. | Process of recovery of base metals from oxide ores |
| KR20150036720A (ko) * | 2012-07-23 | 2015-04-07 | 발레 에스.에이. | 황화물 광석 및 정광으로부터의 비금속 회수 |
| FI125216B (en) * | 2013-05-23 | 2015-07-15 | Outotec Finland Oy | Method for recovering metals |
| JP5679372B2 (ja) | 2013-07-03 | 2015-03-04 | 住友金属鉱山株式会社 | 製鉄用ヘマタイトの製造方法 |
| JP5743305B2 (ja) * | 2015-01-06 | 2015-07-01 | 住友金属鉱山株式会社 | 製鉄用ヘマタイトの製造方法 |
| CN106916944B (zh) * | 2017-03-09 | 2018-01-12 | 昆明理工大学 | 一种固体包裹体氧化铜矿选冶联合回收利用的方法 |
| EP3882365B1 (en) * | 2018-11-14 | 2025-06-18 | Nova Mineralis S.A. | Solid-liquid-solid method for the solubilisation of copper minerals and concentrates, independent of the redox potential and with low consumption of water and acid |
| CN109777953B (zh) * | 2019-03-11 | 2021-06-08 | 刘冠诚 | 一种低品位氧化及硫化铜矿环保回收工艺 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3903236A (en) * | 1972-11-27 | 1975-09-02 | Deepsea Ventures Inc | Method for obtaining metal values by the halidation of a basic manganiferous ore with ferric chloride pre-treatment |
| DE2246413C2 (de) * | 1972-09-21 | 1974-03-21 | Fried. Krupp Gmbh, 4300 Essen | Verfahren zur Aufarbeitung von oxidischen, nickel- und kupferhaltigen Erzen |
| JPS5427823B2 (ja) * | 1973-06-14 | 1979-09-12 | ||
| US4144056A (en) * | 1978-05-04 | 1979-03-13 | Cato Research Corp. | Process for recovering nickel, cobalt and manganese from their oxide and silicate ores |
| CA2064543A1 (en) * | 1992-03-31 | 1993-10-01 | Ross D. Gilders | Whole ore treatment process for the recovery of nickel, cobalt and copper from sulfide ore and tailings |
| US5571308A (en) * | 1995-07-17 | 1996-11-05 | Bhp Minerals International Inc. | Method for recovering nickel from high magnesium-containing Ni-Fe-Mg lateritic ore |
| CN1194641C (zh) * | 2002-07-02 | 2005-03-30 | 刘志峰 | 新式烤烟房及其烟叶烘烤方法 |
| US7329396B2 (en) * | 2003-05-16 | 2008-02-12 | Jaguar Nickel Inc. | Process for the recovery of value metals from material containing base metal oxides |
| CA2639796A1 (en) | 2005-12-23 | 2007-06-28 | Neoferric Technologies Inc. | Process for recovering iron as hematite from a base metal containing ore material |
| US8961649B2 (en) * | 2007-08-29 | 2015-02-24 | Vale Canada Limited | System and method for extracting base metal values from oxide ores |
| CN101285127A (zh) * | 2008-06-13 | 2008-10-15 | 中南大学 | 一种采用湿法氯化处理红土镍矿提取镍钴的方法 |
| CN101403035B (zh) * | 2008-10-21 | 2012-01-11 | 中南大学 | 一种综合开发低品位红土镍矿的方法 |
| CN101509072B (zh) * | 2009-02-18 | 2012-02-29 | 中南大学 | 盐酸全闭路循环法从红土镍矿中提取有价金属的方法 |
| CN101509073A (zh) * | 2009-03-20 | 2009-08-19 | 云南锡业集团(控股)有限责任公司 | 一种镍铁粉的浸出及废液的处理方法 |
| CN101550491B (zh) * | 2009-05-16 | 2010-10-13 | 谢永巨 | 氯化焙烧-浸出法从镍矿提取镍或钴的方法 |
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