CN102453801B - 一种分离锆和铪的方法 - Google Patents
一种分离锆和铪的方法 Download PDFInfo
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- CN102453801B CN102453801B CN2010105196566A CN201010519656A CN102453801B CN 102453801 B CN102453801 B CN 102453801B CN 2010105196566 A CN2010105196566 A CN 2010105196566A CN 201010519656 A CN201010519656 A CN 201010519656A CN 102453801 B CN102453801 B CN 102453801B
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- hafnium
- zirconium
- extraction
- acid
- dibk
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- 229910052735 hafnium Inorganic materials 0.000 title claims abstract description 136
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 title claims abstract description 111
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 229910052726 zirconium Inorganic materials 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 63
- 238000000605 extraction Methods 0.000 claims abstract description 137
- 239000012074 organic phase Substances 0.000 claims abstract description 84
- PTTPXKJBFFKCEK-UHFFFAOYSA-N 2-Methyl-4-heptanone Chemical compound CC(C)CC(=O)CC(C)C PTTPXKJBFFKCEK-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000007788 liquid Substances 0.000 claims abstract description 46
- 238000000926 separation method Methods 0.000 claims abstract description 44
- 238000005406 washing Methods 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000012071 phase Substances 0.000 claims abstract description 32
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 27
- 230000008569 process Effects 0.000 claims abstract description 27
- 230000007935 neutral effect Effects 0.000 claims abstract description 22
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000011574 phosphorus Substances 0.000 claims abstract description 20
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 20
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 19
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910001928 zirconium oxide Inorganic materials 0.000 claims abstract description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 68
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 56
- -1 hafnium ion Chemical class 0.000 claims description 49
- 238000001556 precipitation Methods 0.000 claims description 48
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 41
- 239000002253 acid Substances 0.000 claims description 36
- 238000002156 mixing Methods 0.000 claims description 32
- 235000011167 hydrochloric acid Nutrition 0.000 claims description 30
- IVORCBKUUYGUOL-UHFFFAOYSA-N 1-ethynyl-2,4-dimethoxybenzene Chemical compound COC1=CC=C(C#C)C(OC)=C1 IVORCBKUUYGUOL-UHFFFAOYSA-N 0.000 claims description 27
- DFIPXJGORSQQQD-UHFFFAOYSA-N hafnium;tetrahydrate Chemical compound O.O.O.O.[Hf] DFIPXJGORSQQQD-UHFFFAOYSA-N 0.000 claims description 27
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N thiocyanic acid Chemical compound SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 claims description 25
- 239000008346 aqueous phase Substances 0.000 claims description 21
- 229910021529 ammonia Inorganic materials 0.000 claims description 19
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims description 18
- 239000000284 extract Substances 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 15
- 230000002195 synergetic effect Effects 0.000 claims description 11
- ZMBHCYHQLYEYDV-UHFFFAOYSA-N trioctylphosphine oxide Chemical compound CCCCCCCCP(=O)(CCCCCCCC)CCCCCCCC ZMBHCYHQLYEYDV-UHFFFAOYSA-N 0.000 claims description 11
- 241000588731 Hafnia Species 0.000 claims description 10
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(IV) oxide Inorganic materials O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 claims description 10
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 claims description 9
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 8
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910019142 PO4 Inorganic materials 0.000 claims description 6
- 239000010452 phosphate Substances 0.000 claims description 6
- YEVQZPWSVWZAOB-UHFFFAOYSA-N 2-(bromomethyl)-1-iodo-4-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=CC=C(I)C(CBr)=C1 YEVQZPWSVWZAOB-UHFFFAOYSA-N 0.000 claims description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 5
- 239000011707 mineral Substances 0.000 claims description 5
- GBNDTYKAOXLLID-UHFFFAOYSA-N zirconium(4+) ion Chemical compound [Zr+4] GBNDTYKAOXLLID-UHFFFAOYSA-N 0.000 claims description 5
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 4
- 229910017053 inorganic salt Inorganic materials 0.000 claims description 4
- 150000003009 phosphonic acids Chemical class 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 3
- 150000004713 phosphodiesters Chemical group 0.000 claims description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M Thiocyanate anion Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 claims description 2
- 235000019270 ammonium chloride Nutrition 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000005201 scrubbing Methods 0.000 claims description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 2
- 235000011152 sodium sulphate Nutrition 0.000 claims description 2
- INIGCWGJTZDVRY-UHFFFAOYSA-N hafnium zirconium Chemical compound [Zr].[Hf] INIGCWGJTZDVRY-UHFFFAOYSA-N 0.000 abstract description 43
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 abstract description 26
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 abstract description 26
- 239000002244 precipitate Substances 0.000 abstract description 13
- 230000002378 acidificating effect Effects 0.000 abstract description 7
- 239000002904 solvent Substances 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract description 5
- 230000001988 toxicity Effects 0.000 abstract description 5
- 231100000419 toxicity Toxicity 0.000 abstract description 5
- 238000009835 boiling Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 150000003755 zirconium compounds Chemical class 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract 1
- 229910000449 hafnium oxide Inorganic materials 0.000 abstract 1
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 abstract 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 abstract 1
- 230000001376 precipitating effect Effects 0.000 abstract 1
- 229940043265 methyl isobutyl ketone Drugs 0.000 description 22
- 239000000243 solution Substances 0.000 description 18
- 239000000047 product Substances 0.000 description 10
- 238000000638 solvent extraction Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 7
- SOIFLUNRINLCBN-UHFFFAOYSA-N ammonium thiocyanate Chemical compound [NH4+].[S-]C#N SOIFLUNRINLCBN-UHFFFAOYSA-N 0.000 description 6
- 238000000622 liquid--liquid extraction Methods 0.000 description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 238000003672 processing method Methods 0.000 description 4
- 238000005185 salting out Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910052845 zircon Inorganic materials 0.000 description 4
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 4
- 238000004945 emulsification Methods 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- CMOAHYOGLLEOGO-UHFFFAOYSA-N oxozirconium;dihydrochloride Chemical compound Cl.Cl.[Zr]=O CMOAHYOGLLEOGO-UHFFFAOYSA-N 0.000 description 3
- JJJOZVFVARQUJV-UHFFFAOYSA-N 2-ethylhexylphosphonic acid Chemical compound CCCCC(CC)CP(O)(O)=O JJJOZVFVARQUJV-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000003929 acidic solution Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 241000894007 species Species 0.000 description 2
- YOCZZJWFWDUAAR-UHFFFAOYSA-N sulfanyl-sulfanylidene-bis(2,4,4-trimethylpentyl)-$l^{5}-phosphane Chemical compound CC(C)(C)CC(C)CP(S)(=S)CC(C)CC(C)(C)C YOCZZJWFWDUAAR-UHFFFAOYSA-N 0.000 description 2
- 239000001117 sulphuric acid Substances 0.000 description 2
- 235000011149 sulphuric acid Nutrition 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 0.000 description 2
- MNZAKDODWSQONA-UHFFFAOYSA-N 1-dibutylphosphorylbutane Chemical compound CCCCP(=O)(CCCC)CCCC MNZAKDODWSQONA-UHFFFAOYSA-N 0.000 description 1
- AXPZGGIIXCYPQK-UHFFFAOYSA-N OS(=O)P(O)(O)=O Chemical compound OS(=O)P(O)(O)=O AXPZGGIIXCYPQK-UHFFFAOYSA-N 0.000 description 1
- 229910006501 ZrSiO Inorganic materials 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- QUXFOKCUIZCKGS-UHFFFAOYSA-N bis(2,4,4-trimethylpentyl)phosphinic acid Chemical compound CC(C)(C)CC(C)CP(O)(=O)CC(C)CC(C)(C)C QUXFOKCUIZCKGS-UHFFFAOYSA-N 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- SEGLCEQVOFDUPX-UHFFFAOYSA-N di-(2-ethylhexyl)phosphoric acid Chemical compound CCCCC(CC)COP(O)(=O)OCC(CC)CCCC SEGLCEQVOFDUPX-UHFFFAOYSA-N 0.000 description 1
- TVACALAUIQMRDF-UHFFFAOYSA-N dodecyl dihydrogen phosphate Chemical compound CCCCCCCCCCCCOP(O)(O)=O TVACALAUIQMRDF-UHFFFAOYSA-N 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- KUYLHALFMPOMKK-UHFFFAOYSA-N hydroxy-sulfanylidene-bis(2,4,4-trimethylpentyl)-$l^{5}-phosphane Chemical compound CC(C)(C)CC(C)CP(O)(=S)CC(C)CC(C)(C)C KUYLHALFMPOMKK-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- YVURAEQQLUQPFO-UHFFFAOYSA-N phosphoric acid;styrene Chemical compound OP(O)(O)=O.C=CC1=CC=CC=C1 YVURAEQQLUQPFO-UHFFFAOYSA-N 0.000 description 1
- ZXRDVSMSMOZCPT-UHFFFAOYSA-N phosphorodithious acid Chemical compound OP(S)S ZXRDVSMSMOZCPT-UHFFFAOYSA-N 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000031068 symbiosis, encompassing mutualism through parasitism Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
- Manufacture And Refinement Of Metals (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Description
Claims (10)
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CN2010105196566A CN102453801B (zh) | 2010-10-19 | 2010-10-19 | 一种分离锆和铪的方法 |
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CN2010105196566A CN102453801B (zh) | 2010-10-19 | 2010-10-19 | 一种分离锆和铪的方法 |
Publications (2)
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CN102453801A CN102453801A (zh) | 2012-05-16 |
CN102453801B true CN102453801B (zh) | 2013-08-14 |
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Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103725901B (zh) * | 2013-12-12 | 2015-10-28 | 上海哈峰新材料科技有限公司 | 氧化锆/氧化铪混合物的火法分离方法 |
CN103805784B (zh) * | 2014-03-03 | 2016-01-13 | 北京工业大学 | 一种基于溶剂萃取法提取回收铂的协同萃取方法 |
CN105329943A (zh) * | 2015-10-20 | 2016-02-17 | 阿斯创钛业(营口)有限公司 | 一种高纯无铪氧化锆的生产方法 |
CN105540659B (zh) * | 2015-12-28 | 2017-08-18 | 湖南稀土金属材料研究院 | 从氯氧化锆母液中分离制备氧化锆的方法 |
CN106929695B (zh) * | 2015-12-29 | 2019-06-18 | 核工业北京化工冶金研究院 | 一种溶剂萃取法分离锆铪工艺 |
CN107151031B (zh) * | 2016-03-02 | 2019-09-17 | 西安瑞鑫科金属材料有限责任公司 | 一种从铪钛富集渣中制备氧化铪的方法 |
CN106521190B (zh) * | 2016-11-17 | 2018-06-26 | 中国科学院长春应用化学研究所 | 含氨基中性膦萃取剂用于萃取分离锆和/或铪的用途和方法 |
CN108220597A (zh) * | 2018-01-03 | 2018-06-29 | 中南民族大学 | 硝酸介质中萃取分离锆和铪的方法 |
CN108118150B (zh) * | 2018-01-03 | 2021-04-16 | 中南民族大学 | 盐酸介质中萃取分离锆和铪的方法 |
CN109468460A (zh) * | 2018-11-05 | 2019-03-15 | 中核二七二铀业有限责任公司 | 一种用于tbp萃取分离锆与铪的高选择性萃取原液制备方法 |
CN110904336B (zh) * | 2019-12-12 | 2021-06-01 | 南昌航空大学 | 一种从废弃p229萃取有机相中回收p229的方法 |
CN111206150B (zh) * | 2020-03-11 | 2022-01-28 | 郑州大学 | 一种基于浮游萃取的溶解态高相似稀贵金属富集分离方法 |
CN112593079B (zh) * | 2020-12-08 | 2022-05-31 | 中南民族大学 | 一种用于分离锆铪的协同萃取剂及方法 |
CN112798575A (zh) * | 2020-12-24 | 2021-05-14 | 全南晶环科技有限责任公司 | 一种测定铪中间合金中铪含量的方法 |
CN114317959B (zh) * | 2021-12-31 | 2024-01-12 | 中核二七二铀业有限责任公司 | 一种锆铪分离萃余水沉淀滤渣回收锆铪的方法 |
CN115094250B (zh) * | 2022-06-30 | 2023-03-14 | 深圳中铪科技有限公司 | 一种从含铪废渣中回收铪及其他金属的方法 |
CN115627368B (zh) * | 2022-10-17 | 2024-02-13 | 厦门稀土材料研究所 | 一种利用先进膜分离技术高效富集铪的方法 |
CN119571089A (zh) * | 2025-02-06 | 2025-03-07 | 中国科学院赣江创新研究院 | 一种用于锆铪分离的配体组合物、锆铪分离方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3351425A (en) * | 1966-03-17 | 1967-11-07 | Pittsburgh Plate Glass Co | Method of recovering zirconium and hafnium |
CN1927725A (zh) * | 2006-10-23 | 2007-03-14 | 江西晶安高科技股份有限公司 | 甲基异丁基酮双溶剂萃取法制备原子能级氧化锆、氧化铪工艺 |
-
2010
- 2010-10-19 CN CN2010105196566A patent/CN102453801B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3351425A (en) * | 1966-03-17 | 1967-11-07 | Pittsburgh Plate Glass Co | Method of recovering zirconium and hafnium |
CN1927725A (zh) * | 2006-10-23 | 2007-03-14 | 江西晶安高科技股份有限公司 | 甲基异丁基酮双溶剂萃取法制备原子能级氧化锆、氧化铪工艺 |
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CN102453801A (zh) | 2012-05-16 |
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