CN105238929A - 一种废旧钕铁硼永磁材料中稀土的回收与利用 - Google Patents
一种废旧钕铁硼永磁材料中稀土的回收与利用 Download PDFInfo
- Publication number
- CN105238929A CN105238929A CN201410518998.4A CN201410518998A CN105238929A CN 105238929 A CN105238929 A CN 105238929A CN 201410518998 A CN201410518998 A CN 201410518998A CN 105238929 A CN105238929 A CN 105238929A
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- Prior art keywords
- rare earth
- iron
- permanent magnet
- precipitation
- magnet material
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- 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.)
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Links
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 73
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 71
- 239000002699 waste material Substances 0.000 title claims abstract description 37
- 239000000463 material Substances 0.000 title claims abstract description 34
- 229910001172 neodymium magnet Inorganic materials 0.000 title abstract description 18
- 238000011084 recovery Methods 0.000 title abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 75
- 238000001556 precipitation Methods 0.000 claims abstract description 40
- 229910052742 iron Inorganic materials 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 24
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 15
- 239000010452 phosphate Substances 0.000 claims abstract description 15
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 14
- 239000002253 acid Substances 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 238000002360 preparation method Methods 0.000 claims abstract description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 26
- 239000000243 solution Substances 0.000 claims description 16
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- 229910001021 Ferroalloy Inorganic materials 0.000 claims description 10
- 229910000398 iron phosphate Inorganic materials 0.000 claims description 10
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical group [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 8
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 238000005868 electrolysis reaction Methods 0.000 claims description 7
- 150000004679 hydroxides Chemical class 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- 239000000706 filtrate Substances 0.000 claims description 6
- 150000003016 phosphoric acids Chemical class 0.000 claims description 6
- 239000001488 sodium phosphate Substances 0.000 claims description 6
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 6
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 5
- 238000013467 fragmentation Methods 0.000 claims description 5
- 238000006062 fragmentation reaction Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 4
- 239000001506 calcium phosphate Substances 0.000 claims description 4
- 229910000389 calcium phosphate Inorganic materials 0.000 claims description 4
- 235000011010 calcium phosphates Nutrition 0.000 claims description 4
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims description 4
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- UZUODNWWWUQRIR-UHFFFAOYSA-L disodium;3-aminonaphthalene-1,5-disulfonate Chemical compound [Na+].[Na+].C1=CC=C(S([O-])(=O)=O)C2=CC(N)=CC(S([O-])(=O)=O)=C21 UZUODNWWWUQRIR-UHFFFAOYSA-L 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 239000004254 Ammonium phosphate Substances 0.000 claims description 2
- 239000012670 alkaline solution Substances 0.000 claims description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 2
- 229910000148 ammonium phosphate Inorganic materials 0.000 claims description 2
- 235000019289 ammonium phosphates Nutrition 0.000 claims description 2
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 2
- 235000011007 phosphoric acid Nutrition 0.000 claims description 2
- 229910000160 potassium phosphate Inorganic materials 0.000 claims description 2
- 229940093916 potassium phosphate Drugs 0.000 claims description 2
- 235000011009 potassium phosphates Nutrition 0.000 claims description 2
- 235000011008 sodium phosphates Nutrition 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 9
- 238000004090 dissolution Methods 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 229910000640 Fe alloy Inorganic materials 0.000 abstract 2
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 18
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 12
- PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 description 6
- 235000006408 oxalic acid Nutrition 0.000 description 6
- 230000008021 deposition Effects 0.000 description 4
- 239000011790 ferrous sulphate Substances 0.000 description 4
- 235000003891 ferrous sulphate Nutrition 0.000 description 4
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 4
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 238000005185 salting out Methods 0.000 description 4
- 238000001354 calcination Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 3
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- -1 rare-earth salts Chemical class 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 229910052692 Dysprosium Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229910052779 Neodymium Inorganic materials 0.000 description 2
- 229910052777 Praseodymium Inorganic materials 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- MJNJWCDTNXSALV-UHFFFAOYSA-J [OH-].[OH-].[OH-].[Nd+3].[OH-].[Nd+3] Chemical compound [OH-].[OH-].[OH-].[Nd+3].[OH-].[Nd+3] MJNJWCDTNXSALV-UHFFFAOYSA-J 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 2
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 2
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- PANBYUAFMMOFOV-UHFFFAOYSA-N sodium;sulfuric acid Chemical compound [Na].OS(O)(=O)=O PANBYUAFMMOFOV-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- ZDVYABSQRRRIOJ-UHFFFAOYSA-N boron;iron Chemical compound [Fe]#B ZDVYABSQRRRIOJ-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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)
- Processing Of Solid Wastes (AREA)
- Hard Magnetic Materials (AREA)
Abstract
Description
Claims (5)
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CN201410518998.4A CN105238929B (zh) | 2014-10-06 | 2014-10-06 | 一种废旧钕铁硼永磁材料中稀土的回收与利用 |
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CN201410518998.4A CN105238929B (zh) | 2014-10-06 | 2014-10-06 | 一种废旧钕铁硼永磁材料中稀土的回收与利用 |
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CN105238929A true CN105238929A (zh) | 2016-01-13 |
CN105238929B CN105238929B (zh) | 2017-07-04 |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106086418A (zh) * | 2016-06-30 | 2016-11-09 | 江西省钨与稀土产品质量监督检验中心(江西省钨与稀土研究院) | 一种烧结钕铁硼废旧器件性能恢复的方法 |
CN106319575A (zh) * | 2016-11-02 | 2017-01-11 | 江西理工大学 | 一种钕铁硼油泥废料电解制备钕铁硼合金的方法 |
CN108802159A (zh) * | 2018-05-25 | 2018-11-13 | 哈尔滨工程大学 | 一种电化学方法实时监测熔盐去除稀土离子的方法 |
CN111154980A (zh) * | 2020-02-04 | 2020-05-15 | 北京科技大学 | 一种钕铁硼废料溶液电解再生方法 |
CN111575509A (zh) * | 2020-05-22 | 2020-08-25 | 包头稀土研究院 | 从钕铁硼磁体废料中回收稀土元素的方法及用途 |
CN112522527A (zh) * | 2019-09-17 | 2021-03-19 | 约瑟夫·斯特凡研究所 | 基于电解的用于从Nd-Fe-B磁体废料中选择性回收稀土元素的方法 |
CN113846221A (zh) * | 2021-09-18 | 2021-12-28 | 内蒙古大学 | 一种钕铁硼合金废料的绿色回收方法 |
CN113957250A (zh) * | 2021-09-18 | 2022-01-21 | 内蒙古大学 | 一种稀土永磁合金废料的绿色回收方法 |
CN115323199A (zh) * | 2021-11-12 | 2022-11-11 | 虔东稀土集团股份有限公司 | 一种稀土元素的回收方法 |
Citations (2)
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CN103343234A (zh) * | 2013-07-19 | 2013-10-09 | 北京工业大学 | 一种钕铁硼油泥再生共沉淀制备钕铁氧化物的方法 |
CN103773966A (zh) * | 2014-03-03 | 2014-05-07 | 绵竹华垒化工有限责任公司 | 钕铁硼废料的分离利用方法 |
-
2014
- 2014-10-06 CN CN201410518998.4A patent/CN105238929B/zh active Active
Patent Citations (2)
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CN103343234A (zh) * | 2013-07-19 | 2013-10-09 | 北京工业大学 | 一种钕铁硼油泥再生共沉淀制备钕铁氧化物的方法 |
CN103773966A (zh) * | 2014-03-03 | 2014-05-07 | 绵竹华垒化工有限责任公司 | 钕铁硼废料的分离利用方法 |
Non-Patent Citations (1)
Title |
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陈玉凤 等: ""从钕铁硼废料中提取氧化钕"", 《无机盐工业》 * |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106086418A (zh) * | 2016-06-30 | 2016-11-09 | 江西省钨与稀土产品质量监督检验中心(江西省钨与稀土研究院) | 一种烧结钕铁硼废旧器件性能恢复的方法 |
CN106086418B (zh) * | 2016-06-30 | 2017-12-29 | 江西省钨与稀土产品质量监督检验中心(江西省钨与稀土研究院) | 一种烧结钕铁硼废旧器件性能恢复的方法 |
CN106319575A (zh) * | 2016-11-02 | 2017-01-11 | 江西理工大学 | 一种钕铁硼油泥废料电解制备钕铁硼合金的方法 |
CN108802159A (zh) * | 2018-05-25 | 2018-11-13 | 哈尔滨工程大学 | 一种电化学方法实时监测熔盐去除稀土离子的方法 |
CN112522527A (zh) * | 2019-09-17 | 2021-03-19 | 约瑟夫·斯特凡研究所 | 基于电解的用于从Nd-Fe-B磁体废料中选择性回收稀土元素的方法 |
CN112522527B (zh) * | 2019-09-17 | 2024-04-05 | 约瑟夫·斯特凡研究所 | 基于电解的用于从Nd-Fe-B磁体废料中选择性回收稀土元素的方法 |
CN111154980A (zh) * | 2020-02-04 | 2020-05-15 | 北京科技大学 | 一种钕铁硼废料溶液电解再生方法 |
CN111575509A (zh) * | 2020-05-22 | 2020-08-25 | 包头稀土研究院 | 从钕铁硼磁体废料中回收稀土元素的方法及用途 |
CN113846221A (zh) * | 2021-09-18 | 2021-12-28 | 内蒙古大学 | 一种钕铁硼合金废料的绿色回收方法 |
CN113957250A (zh) * | 2021-09-18 | 2022-01-21 | 内蒙古大学 | 一种稀土永磁合金废料的绿色回收方法 |
CN115323199A (zh) * | 2021-11-12 | 2022-11-11 | 虔东稀土集团股份有限公司 | 一种稀土元素的回收方法 |
CN115323199B (zh) * | 2021-11-12 | 2023-09-29 | 虔东稀土集团股份有限公司 | 一种稀土元素的回收方法 |
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