CN114016083A - 一种碱金属热还原金属氧化物制备金属过程中再生碱金属还原剂的方法 - Google Patents
一种碱金属热还原金属氧化物制备金属过程中再生碱金属还原剂的方法 Download PDFInfo
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- CN114016083A CN114016083A CN202111302617.5A CN202111302617A CN114016083A CN 114016083 A CN114016083 A CN 114016083A CN 202111302617 A CN202111302617 A CN 202111302617A CN 114016083 A CN114016083 A CN 114016083A
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- metal
- molten salt
- alkali metal
- ion
- reducing
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Links
- 238000000034 method Methods 0.000 title claims abstract description 84
- 230000001603 reducing effect Effects 0.000 title claims abstract description 73
- 229910052783 alkali metal Inorganic materials 0.000 title claims abstract description 72
- 150000001340 alkali metals Chemical class 0.000 title claims abstract description 70
- 239000002184 metal Substances 0.000 title claims abstract description 66
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 65
- 230000008569 process Effects 0.000 title claims abstract description 36
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 34
- 229910044991 metal oxide Inorganic materials 0.000 title claims abstract description 32
- 150000004706 metal oxides Chemical class 0.000 title claims abstract description 31
- 230000001172 regenerating effect Effects 0.000 title claims abstract description 10
- 150000003839 salts Chemical class 0.000 claims abstract description 181
- 230000009467 reduction Effects 0.000 claims abstract description 61
- 238000006243 chemical reaction Methods 0.000 claims abstract description 54
- 238000004519 manufacturing process Methods 0.000 claims abstract description 31
- 239000007787 solid Substances 0.000 claims abstract description 27
- 239000006227 byproduct Substances 0.000 claims abstract description 26
- 239000004020 conductor Substances 0.000 claims abstract description 25
- 238000002360 preparation method Methods 0.000 claims abstract description 16
- 230000008929 regeneration Effects 0.000 claims abstract description 14
- 238000011069 regeneration method Methods 0.000 claims abstract description 14
- 238000002844 melting Methods 0.000 claims abstract description 9
- 230000008018 melting Effects 0.000 claims abstract description 9
- 238000005868 electrolysis reaction Methods 0.000 claims description 27
- 150000002500 ions Chemical class 0.000 claims description 22
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 17
- 239000010416 ion conductor Substances 0.000 claims description 17
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 15
- 238000000354 decomposition reaction Methods 0.000 claims description 11
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 229910052736 halogen Inorganic materials 0.000 claims description 4
- 150000002367 halogens Chemical class 0.000 claims description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000011195 cermet Substances 0.000 claims description 2
- 229910000272 alkali metal oxide Inorganic materials 0.000 claims 1
- 230000002829 reductive effect Effects 0.000 abstract description 14
- 239000011734 sodium Substances 0.000 description 61
- 238000006722 reduction reaction Methods 0.000 description 58
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 46
- 239000011780 sodium chloride Substances 0.000 description 31
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 26
- 239000000047 product Substances 0.000 description 24
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 23
- 230000004907 flux Effects 0.000 description 23
- 239000001301 oxygen Substances 0.000 description 23
- 229910052760 oxygen Inorganic materials 0.000 description 23
- 229910006587 β-Al2O3 Inorganic materials 0.000 description 20
- 239000002994 raw material Substances 0.000 description 19
- 239000000203 mixture Substances 0.000 description 17
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 16
- 229910052708 sodium Inorganic materials 0.000 description 15
- 229910020949 NaCl—CaCl2 Inorganic materials 0.000 description 14
- 239000003792 electrolyte Substances 0.000 description 13
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 12
- 238000011065 in-situ storage Methods 0.000 description 11
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 11
- 229910000029 sodium carbonate Inorganic materials 0.000 description 11
- 239000011575 calcium Substances 0.000 description 9
- 239000007795 chemical reaction product Substances 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 229910001415 sodium ion Inorganic materials 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 229910052791 calcium Inorganic materials 0.000 description 8
- 239000001110 calcium chloride Substances 0.000 description 8
- 229910001628 calcium chloride Inorganic materials 0.000 description 8
- 238000005406 washing Methods 0.000 description 8
- 230000007547 defect Effects 0.000 description 7
- 238000005265 energy consumption Methods 0.000 description 6
- 150000002739 metals Chemical class 0.000 description 6
- 238000011946 reduction process Methods 0.000 description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical class Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000011532 electronic conductor Substances 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 229910052761 rare earth metal Inorganic materials 0.000 description 5
- -1 rare earth metal chloride Chemical class 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000000445 field-emission scanning electron microscopy Methods 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 238000001878 scanning electron micrograph Methods 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 229910052715 tantalum Inorganic materials 0.000 description 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 230000005496 eutectics Effects 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 150000002910 rare earth metals Chemical class 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000010405 anode material Substances 0.000 description 2
- 239000012300 argon atmosphere Substances 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- 238000010923 batch production Methods 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000003411 electrode reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 150000002736 metal compounds Chemical class 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- FGHSTPNOXKDLKU-UHFFFAOYSA-N nitric acid;hydrate Chemical compound O.O[N+]([O-])=O FGHSTPNOXKDLKU-UHFFFAOYSA-N 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 229910052712 strontium Inorganic materials 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 229910014810 CaCl2—CaF2 Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229910000628 Ferrovanadium Inorganic materials 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910014103 Na-S Inorganic materials 0.000 description 1
- 229910014147 Na—S Inorganic materials 0.000 description 1
- 229910017544 NdCl3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910003074 TiCl4 Inorganic materials 0.000 description 1
- 229910007932 ZrCl4 Inorganic materials 0.000 description 1
- BNOODXBBXFZASF-UHFFFAOYSA-N [Na].[S] Chemical compound [Na].[S] BNOODXBBXFZASF-UHFFFAOYSA-N 0.000 description 1
- GYIPQKRAWKCWHP-UHFFFAOYSA-N [V+5].[O-2].[Al+3].[O-2].[O-2].[O-2] Chemical compound [V+5].[O-2].[Al+3].[O-2].[O-2].[O-2] GYIPQKRAWKCWHP-UHFFFAOYSA-N 0.000 description 1
- 229910052768 actinide Inorganic materials 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 229910001514 alkali metal chloride Inorganic materials 0.000 description 1
- 229910001508 alkali metal halide Inorganic materials 0.000 description 1
- 150000008045 alkali metal halides Chemical class 0.000 description 1
- 229910001963 alkali metal nitrate Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 229910001626 barium chloride Inorganic materials 0.000 description 1
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000012611 container material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000374 eutectic mixture Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- PNXOJQQRXBVKEX-UHFFFAOYSA-N iron vanadium Chemical compound [V].[Fe] PNXOJQQRXBVKEX-UHFFFAOYSA-N 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Inorganic materials O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000011833 salt mixture Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 229910001631 strontium chloride Inorganic materials 0.000 description 1
- AHBGXTDRMVNFER-UHFFFAOYSA-L strontium dichloride Chemical compound [Cl-].[Cl-].[Sr+2] AHBGXTDRMVNFER-UHFFFAOYSA-L 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000012932 thermodynamic analysis Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/02—Electrolytic production, recovery or refining of metals by electrolysis of melts of alkali or alkaline earth metals
-
- 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
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Electrolytic Production Of Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
Claims (9)
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CN202111302617.5A CN114016083B (zh) | 2021-11-05 | 2021-11-05 | 一种碱金属热还原金属氧化物制备金属过程中再生碱金属还原剂的方法 |
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CN114016083A true CN114016083A (zh) | 2022-02-08 |
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6130640A (ja) * | 1984-07-03 | 1986-02-12 | ゼネラル モーターズ コーポレーシヨン | 希土類酸化物の金属熱還元法 |
CN85100813A (zh) * | 1984-10-05 | 1986-10-01 | 通用汽车公司 | 稀土氧化物的金属热还原 |
JPH02111893A (ja) * | 1988-09-12 | 1990-04-24 | Westinghouse Electric Corp <We> | 塩化ジルコニウム、塩化ハフニウムまたは塩化チタンを金属生成物に還元する方法 |
JP2003129268A (ja) * | 2001-10-17 | 2003-05-08 | Katsutoshi Ono | 金属チタンの精錬方法及び精錬装置 |
CN104109757A (zh) * | 2014-08-06 | 2014-10-22 | 中国原子能科学研究院 | 一种回收利用钙热还原所用熔盐的工艺 |
US20170209933A1 (en) * | 2016-01-27 | 2017-07-27 | Na Wang | Method for recycling waste cemented carbide by molten salt chemistry |
CN111926183A (zh) * | 2020-08-12 | 2020-11-13 | 昆明理工大学 | 一种稀土辅助镁热还原金属氧化物制备低氧金属的方法 |
CN112011804A (zh) * | 2020-08-17 | 2020-12-01 | 昆明理工大学 | 一种熔盐电解-镁热还原金属氧化物制备低氧金属的方法 |
CN113279022A (zh) * | 2021-05-14 | 2021-08-20 | 奥勇新材料科技(上海)有限公司 | 一种还原性熔盐介质及其制备方法 |
-
2021
- 2021-11-05 CN CN202111302617.5A patent/CN114016083B/zh active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6130640A (ja) * | 1984-07-03 | 1986-02-12 | ゼネラル モーターズ コーポレーシヨン | 希土類酸化物の金属熱還元法 |
CN85100813A (zh) * | 1984-10-05 | 1986-10-01 | 通用汽车公司 | 稀土氧化物的金属热还原 |
JPH02111893A (ja) * | 1988-09-12 | 1990-04-24 | Westinghouse Electric Corp <We> | 塩化ジルコニウム、塩化ハフニウムまたは塩化チタンを金属生成物に還元する方法 |
JP2003129268A (ja) * | 2001-10-17 | 2003-05-08 | Katsutoshi Ono | 金属チタンの精錬方法及び精錬装置 |
CN104109757A (zh) * | 2014-08-06 | 2014-10-22 | 中国原子能科学研究院 | 一种回收利用钙热还原所用熔盐的工艺 |
US20170209933A1 (en) * | 2016-01-27 | 2017-07-27 | Na Wang | Method for recycling waste cemented carbide by molten salt chemistry |
CN111926183A (zh) * | 2020-08-12 | 2020-11-13 | 昆明理工大学 | 一种稀土辅助镁热还原金属氧化物制备低氧金属的方法 |
CN112011804A (zh) * | 2020-08-17 | 2020-12-01 | 昆明理工大学 | 一种熔盐电解-镁热还原金属氧化物制备低氧金属的方法 |
CN113279022A (zh) * | 2021-05-14 | 2021-08-20 | 奥勇新材料科技(上海)有限公司 | 一种还原性熔盐介质及其制备方法 |
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