CN101200304B - 用钕铁硼冶炼渣生产99%镨钕氧化物的工艺 - Google Patents
用钕铁硼冶炼渣生产99%镨钕氧化物的工艺 Download PDFInfo
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- CN101200304B CN101200304B CN2007100500619A CN200710050061A CN101200304B CN 101200304 B CN101200304 B CN 101200304B CN 2007100500619 A CN2007100500619 A CN 2007100500619A CN 200710050061 A CN200710050061 A CN 200710050061A CN 101200304 B CN101200304 B CN 101200304B
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000002893 slag Substances 0.000 title claims abstract description 12
- 229910001172 neodymium magnet Inorganic materials 0.000 title claims description 9
- KBLRIGLPGMRISA-UHFFFAOYSA-N neodymium(3+) oxygen(2-) praseodymium(3+) Chemical class [O-2].[Pr+3].[Nd+3].[O-2].[O-2] KBLRIGLPGMRISA-UHFFFAOYSA-N 0.000 title claims description 9
- 238000003723 Smelting Methods 0.000 title 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000002699 waste material Substances 0.000 claims abstract description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 20
- 238000001556 precipitation Methods 0.000 claims description 16
- 238000005516 engineering process Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 8
- 238000001354 calcination Methods 0.000 claims description 7
- 239000000047 product Substances 0.000 claims description 7
- JJEJDZONIFQNHG-UHFFFAOYSA-N [C+4].N Chemical compound [C+4].N JJEJDZONIFQNHG-UHFFFAOYSA-N 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 239000002244 precipitate Substances 0.000 claims description 4
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 3
- 150000002910 rare earth metals Chemical class 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 230000032683 aging Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 235000021050 feed intake Nutrition 0.000 claims description 2
- 239000000706 filtrate Substances 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 238000010792 warming Methods 0.000 claims description 2
- 235000006408 oxalic acid Nutrition 0.000 claims 3
- 239000007788 liquid Substances 0.000 claims 2
- 238000001816 cooling Methods 0.000 claims 1
- 238000005406 washing Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 7
- 238000004090 dissolution Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000004062 sedimentation Methods 0.000 abstract 3
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 abstract 1
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 abstract 1
- 241001062472 Stokellia anisodon Species 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 abstract 1
- 239000001099 ammonium carbonate Substances 0.000 abstract 1
- 238000002386 leaching Methods 0.000 abstract 1
- 229910021645 metal ion Inorganic materials 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
- 239000002910 solid waste Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 4
- RKLPWYXSIBFAJB-UHFFFAOYSA-N [Nd].[Pr] Chemical compound [Nd].[Pr] RKLPWYXSIBFAJB-UHFFFAOYSA-N 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000002950 deficient Effects 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
- 238000000605 extraction Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
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Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007100500619A CN101200304B (zh) | 2007-09-19 | 2007-09-19 | 用钕铁硼冶炼渣生产99%镨钕氧化物的工艺 |
Applications Claiming Priority (1)
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CN2007100500619A CN101200304B (zh) | 2007-09-19 | 2007-09-19 | 用钕铁硼冶炼渣生产99%镨钕氧化物的工艺 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101200304A CN101200304A (zh) | 2008-06-18 |
CN101200304B true CN101200304B (zh) | 2010-07-21 |
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CN2007100500619A Expired - Fee Related CN101200304B (zh) | 2007-09-19 | 2007-09-19 | 用钕铁硼冶炼渣生产99%镨钕氧化物的工艺 |
Country Status (1)
Country | Link |
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CN (1) | CN101200304B (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102531024A (zh) * | 2011-10-28 | 2012-07-04 | 内蒙古科技大学 | 制备大颗粒、球形氧化镨钕的方法 |
CN103343234B (zh) * | 2013-07-19 | 2015-01-14 | 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 |
CN105002366B (zh) * | 2015-07-14 | 2017-11-17 | 中稀天马新材料科技股份有限公司 | 一种从钕铁硼废料回收稀土过程产生的中和渣中回收稀土的方法 |
CN105039727B (zh) * | 2015-07-14 | 2018-03-13 | 中稀天马新材料科技股份有限公司 | 一种从超低含量NdFeB废渣中回收稀土的工艺方法 |
CN113501539A (zh) * | 2021-06-01 | 2021-10-15 | 包头市华星稀土科技有限责任公司 | 一种用钕铁硼冶炼渣生产高纯镨钕氧化物的工艺 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN86100671A (zh) * | 1986-01-25 | 1987-08-05 | 江西大学 | 用碳酸氢胺沉淀稀土 |
CN1071204A (zh) * | 1991-09-29 | 1993-04-21 | 冶金工业部包头稀土研究院 | 制备纯氧化钕的方法 |
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 |
CN1693493A (zh) * | 2005-05-08 | 2005-11-09 | 西安西骏新材料有限公司 | 钕铁硼废料中有价元素的回收方法 |
-
2007
- 2007-09-19 CN CN2007100500619A patent/CN101200304B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN86100671A (zh) * | 1986-01-25 | 1987-08-05 | 江西大学 | 用碳酸氢胺沉淀稀土 |
CN1071204A (zh) * | 1991-09-29 | 1993-04-21 | 冶金工业部包头稀土研究院 | 制备纯氧化钕的方法 |
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 |
CN1693493A (zh) * | 2005-05-08 | 2005-11-09 | 西安西骏新材料有限公司 | 钕铁硼废料中有价元素的回收方法 |
Non-Patent Citations (1)
Title |
---|
JP特开平5-270823A 1993.10.19 |
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CN101200304A (zh) | 2008-06-18 |
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