CN101956078A - 一种从稀土熔盐电解废料中分离回收稀土元素的方法 - Google Patents
一种从稀土熔盐电解废料中分离回收稀土元素的方法 Download PDFInfo
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- CN101956078A CN101956078A CN2010105058072A CN201010505807A CN101956078A CN 101956078 A CN101956078 A CN 101956078A CN 2010105058072 A CN2010105058072 A CN 2010105058072A CN 201010505807 A CN201010505807 A CN 201010505807A CN 101956078 A CN101956078 A CN 101956078A
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- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 56
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000002699 waste material Substances 0.000 title claims abstract description 20
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 16
- 150000003839 salts Chemical class 0.000 title claims abstract description 13
- 238000004064 recycling Methods 0.000 title abstract 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000002994 raw material Substances 0.000 claims abstract description 23
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000011737 fluorine Substances 0.000 claims abstract description 13
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 13
- 229910001404 rare earth metal oxide Inorganic materials 0.000 claims abstract description 12
- 238000000926 separation method Methods 0.000 claims abstract description 8
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 7
- 239000003350 kerosene Substances 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 6
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 6
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims abstract description 5
- 229910001634 calcium fluoride Inorganic materials 0.000 claims abstract description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000001354 calcination Methods 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 16
- -1 rare earth ion Chemical class 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 5
- 239000000047 product Substances 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910001424 calcium ion Inorganic materials 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000000706 filtrate Substances 0.000 claims description 3
- 238000005342 ion exchange Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 239000012074 organic phase Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 239000002244 precipitate Substances 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 230000001376 precipitating effect Effects 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 abstract description 3
- 238000003916 acid precipitation Methods 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 abstract description 3
- 229910000040 hydrogen fluoride Inorganic materials 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000004090 dissolution Methods 0.000 abstract 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 229910003440 dysprosium oxide Inorganic materials 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- NHHIWEKZNVFRTH-UHFFFAOYSA-K C([O-])([O-])=O.[Nd+3].[Cl-].[Pr+3] Chemical compound C([O-])([O-])=O.[Nd+3].[Cl-].[Pr+3] NHHIWEKZNVFRTH-UHFFFAOYSA-K 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- BOXVSFHSLKQLNZ-UHFFFAOYSA-K dysprosium(iii) chloride Chemical compound Cl[Dy](Cl)Cl BOXVSFHSLKQLNZ-UHFFFAOYSA-K 0.000 description 2
- NLQFUUYNQFMIJW-UHFFFAOYSA-N dysprosium(iii) oxide Chemical compound O=[Dy]O[Dy]=O NLQFUUYNQFMIJW-UHFFFAOYSA-N 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000005649 metathesis reaction Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- WTQUHLHXFJEOTI-UHFFFAOYSA-H trichloroneodymium;trichloropraseodymium Chemical compound Cl[Pr](Cl)Cl.Cl[Nd](Cl)Cl WTQUHLHXFJEOTI-UHFFFAOYSA-H 0.000 description 2
- VCSKMUOMOBQIGE-UHFFFAOYSA-K C(O)(O)=O.[Cl-].[Cl-].[Cl-].[Dy+3] Chemical compound C(O)(O)=O.[Cl-].[Cl-].[Cl-].[Dy+3] VCSKMUOMOBQIGE-UHFFFAOYSA-K 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- RKLPWYXSIBFAJB-UHFFFAOYSA-N [Nd].[Pr] Chemical compound [Nd].[Pr] RKLPWYXSIBFAJB-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- GEZAXHSNIQTPMM-UHFFFAOYSA-N dysprosium(3+);oxygen(2-) Chemical class [O-2].[O-2].[O-2].[Dy+3].[Dy+3] GEZAXHSNIQTPMM-UHFFFAOYSA-N 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010814 metallic waste Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- KBLRIGLPGMRISA-UHFFFAOYSA-N neodymium(3+) oxygen(2-) praseodymium(3+) Chemical compound [O-2].[Pr+3].[Nd+3].[O-2].[O-2] KBLRIGLPGMRISA-UHFFFAOYSA-N 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- MMKQUGHLEMYQSG-UHFFFAOYSA-N oxygen(2-);praseodymium(3+) Chemical compound [O-2].[O-2].[O-2].[Pr+3].[Pr+3] MMKQUGHLEMYQSG-UHFFFAOYSA-N 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- 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
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Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102583490A (zh) * | 2012-01-01 | 2012-07-18 | 内蒙古包钢稀土(集团)高科技股份有限公司 | 一种灼烧过程中降低稀土氧化物产品氯根含量的方法 |
CN104046806A (zh) * | 2014-06-30 | 2014-09-17 | 江西理工大学 | 一种从废旧铝酸盐绿色稀土荧光粉中回收稀土的方法 |
CN104611561A (zh) * | 2015-03-09 | 2015-05-13 | 龙南县锦易矿业有限公司 | 南方稀土矿浸出母液沉淀工艺 |
CN104805292A (zh) * | 2015-04-17 | 2015-07-29 | 益阳鸿源稀土有限责任公司 | 稀土镨钕熔盐电解废料中有价成分的分离及回收方法 |
CN104843761A (zh) * | 2015-03-31 | 2015-08-19 | 福建省长汀金龙稀土有限公司 | 一种环保低成本从稀土氟化物熔盐电解废料中回收稀土的方法 |
CN105039725A (zh) * | 2015-06-28 | 2015-11-11 | 包头市玺骏稀土有限责任公司 | 一种从稀土电解渣中回收稀土元素的方法 |
CN105200247A (zh) * | 2015-09-30 | 2015-12-30 | 中铝广西国盛稀土开发有限公司 | 一种提高低品位矿溶解度以及料液除杂的方法 |
CN105256156A (zh) * | 2015-10-27 | 2016-01-20 | 赣南师范学院 | 一种分解含氟稀土熔盐废渣的工艺 |
CN105567985A (zh) * | 2015-12-28 | 2016-05-11 | 江苏金石稀土有限公司 | 一种稀土金属电解熔盐渣的回收方法 |
CN106044833A (zh) * | 2016-06-07 | 2016-10-26 | 福建省长汀金龙稀土有限公司 | 一种从稀土废电极回收料和炉渣中回收稀土氟化物的方法 |
CN106085376A (zh) * | 2016-06-22 | 2016-11-09 | 王斐芬 | 一种高比热混合熔盐传热蓄热介质 |
CN107630143A (zh) * | 2017-09-26 | 2018-01-26 | 赣南师范大学 | 一种从稀土荧光粉废料和含氟稀土电解废渣中提取稀土的方法 |
CN108977674A (zh) * | 2018-07-31 | 2018-12-11 | 邳州市尕星医药技术服务有限公司 | 一种从稀土电解废料中提取稀土氧化物的方法 |
CN109785986A (zh) * | 2019-01-31 | 2019-05-21 | 中国科学院上海应用物理研究所 | 乏燃料废盐中稀土元素的去除方法 |
CN109797287A (zh) * | 2019-02-20 | 2019-05-24 | 中铝稀土(江苏)有限公司 | 高盐废水资源化利用的稀土冶炼分离方法 |
CN110453098A (zh) * | 2019-09-17 | 2019-11-15 | 江西群鑫强磁新材料股份有限公司 | 稀土电解熔盐废渣综合回收稀土工艺 |
CN112662866A (zh) * | 2020-12-16 | 2021-04-16 | 江西理工大学 | 一种碳化焙烧降低稀土氧化物中硫酸根含量的方法 |
CN112981146A (zh) * | 2021-02-07 | 2021-06-18 | 中国科学院过程工程研究所 | 一种固氟转型焙烧回收稀土熔盐电解渣的方法 |
US11319613B2 (en) | 2020-08-18 | 2022-05-03 | Enviro Metals, LLC | Metal refinement |
Citations (3)
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JPS5867836A (ja) * | 1981-10-15 | 1983-04-22 | Dowa Mining Co Ltd | バストネサイト鉱の分解方法 |
CN1605638A (zh) * | 2004-06-28 | 2005-04-13 | 辽宁美宝稀土材料有限公司 | 从钕铁硼废料中回收稀土的新工艺 |
CN101824553A (zh) * | 2010-03-12 | 2010-09-08 | 包头稀土研究院 | 一种混合稀土精矿液碱高温焙烧分解工艺 |
-
2010
- 2010-10-13 CN CN2010105058072A patent/CN101956078B/zh not_active Expired - Fee Related
Patent Citations (3)
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JPS5867836A (ja) * | 1981-10-15 | 1983-04-22 | Dowa Mining Co Ltd | バストネサイト鉱の分解方法 |
CN1605638A (zh) * | 2004-06-28 | 2005-04-13 | 辽宁美宝稀土材料有限公司 | 从钕铁硼废料中回收稀土的新工艺 |
CN101824553A (zh) * | 2010-03-12 | 2010-09-08 | 包头稀土研究院 | 一种混合稀土精矿液碱高温焙烧分解工艺 |
Non-Patent Citations (1)
Title |
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《稀有金属》 20070630 孙树臣 等 氧化钙对混合稀土精矿分解气相中氟的影响 第400-403页 1-2 第31卷, 第3期 2 * |
Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102583490A (zh) * | 2012-01-01 | 2012-07-18 | 内蒙古包钢稀土(集团)高科技股份有限公司 | 一种灼烧过程中降低稀土氧化物产品氯根含量的方法 |
CN104046806A (zh) * | 2014-06-30 | 2014-09-17 | 江西理工大学 | 一种从废旧铝酸盐绿色稀土荧光粉中回收稀土的方法 |
CN104611561A (zh) * | 2015-03-09 | 2015-05-13 | 龙南县锦易矿业有限公司 | 南方稀土矿浸出母液沉淀工艺 |
CN104843761A (zh) * | 2015-03-31 | 2015-08-19 | 福建省长汀金龙稀土有限公司 | 一种环保低成本从稀土氟化物熔盐电解废料中回收稀土的方法 |
CN104805292A (zh) * | 2015-04-17 | 2015-07-29 | 益阳鸿源稀土有限责任公司 | 稀土镨钕熔盐电解废料中有价成分的分离及回收方法 |
CN105039725A (zh) * | 2015-06-28 | 2015-11-11 | 包头市玺骏稀土有限责任公司 | 一种从稀土电解渣中回收稀土元素的方法 |
CN105200247A (zh) * | 2015-09-30 | 2015-12-30 | 中铝广西国盛稀土开发有限公司 | 一种提高低品位矿溶解度以及料液除杂的方法 |
CN105256156A (zh) * | 2015-10-27 | 2016-01-20 | 赣南师范学院 | 一种分解含氟稀土熔盐废渣的工艺 |
CN105567985A (zh) * | 2015-12-28 | 2016-05-11 | 江苏金石稀土有限公司 | 一种稀土金属电解熔盐渣的回收方法 |
CN106044833A (zh) * | 2016-06-07 | 2016-10-26 | 福建省长汀金龙稀土有限公司 | 一种从稀土废电极回收料和炉渣中回收稀土氟化物的方法 |
CN106044833B (zh) * | 2016-06-07 | 2017-10-27 | 福建省长汀金龙稀土有限公司 | 一种从稀土废电极回收料和炉渣中回收稀土氟化物的方法 |
CN106085376A (zh) * | 2016-06-22 | 2016-11-09 | 王斐芬 | 一种高比热混合熔盐传热蓄热介质 |
CN107630143A (zh) * | 2017-09-26 | 2018-01-26 | 赣南师范大学 | 一种从稀土荧光粉废料和含氟稀土电解废渣中提取稀土的方法 |
CN107630143B (zh) * | 2017-09-26 | 2019-10-25 | 赣南师范大学 | 一种从稀土荧光粉废料和含氟稀土电解废渣中提取稀土的方法 |
CN108977674A (zh) * | 2018-07-31 | 2018-12-11 | 邳州市尕星医药技术服务有限公司 | 一种从稀土电解废料中提取稀土氧化物的方法 |
CN109785986A (zh) * | 2019-01-31 | 2019-05-21 | 中国科学院上海应用物理研究所 | 乏燃料废盐中稀土元素的去除方法 |
CN109785986B (zh) * | 2019-01-31 | 2020-12-25 | 中国科学院上海应用物理研究所 | 乏燃料废盐中稀土元素的去除方法 |
CN109797287A (zh) * | 2019-02-20 | 2019-05-24 | 中铝稀土(江苏)有限公司 | 高盐废水资源化利用的稀土冶炼分离方法 |
CN110453098A (zh) * | 2019-09-17 | 2019-11-15 | 江西群鑫强磁新材料股份有限公司 | 稀土电解熔盐废渣综合回收稀土工艺 |
US11319613B2 (en) | 2020-08-18 | 2022-05-03 | Enviro Metals, LLC | Metal refinement |
US11578386B2 (en) | 2020-08-18 | 2023-02-14 | Enviro Metals, LLC | Metal refinement |
CN112662866A (zh) * | 2020-12-16 | 2021-04-16 | 江西理工大学 | 一种碳化焙烧降低稀土氧化物中硫酸根含量的方法 |
CN112662866B (zh) * | 2020-12-16 | 2022-04-01 | 江西理工大学 | 一种碳化焙烧降低稀土氧化物中硫酸根含量的方法 |
CN112981146A (zh) * | 2021-02-07 | 2021-06-18 | 中国科学院过程工程研究所 | 一种固氟转型焙烧回收稀土熔盐电解渣的方法 |
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