CN108950250B - 一种钕铁硼废料酸溶渣中稀土的回收方法 - Google Patents
一种钕铁硼废料酸溶渣中稀土的回收方法 Download PDFInfo
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- CN108950250B CN108950250B CN201810865627.1A CN201810865627A CN108950250B CN 108950250 B CN108950250 B CN 108950250B CN 201810865627 A CN201810865627 A CN 201810865627A CN 108950250 B CN108950250 B CN 108950250B
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- water
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- rare earth
- filter residue
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- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 68
- 239000002699 waste material Substances 0.000 title claims abstract description 48
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 46
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 40
- 239000002893 slag Substances 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000005406 washing Methods 0.000 claims abstract description 84
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 239000000706 filtrate Substances 0.000 claims abstract description 59
- 239000007788 liquid Substances 0.000 claims abstract description 37
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 34
- 238000002156 mixing Methods 0.000 claims description 33
- 238000000926 separation method Methods 0.000 claims description 28
- 238000010992 reflux Methods 0.000 claims description 18
- 239000002253 acid Substances 0.000 claims description 13
- 239000003814 drug Substances 0.000 claims description 13
- -1 rare earth salt Chemical class 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 238000004064 recycling Methods 0.000 claims 5
- 238000011084 recovery Methods 0.000 abstract description 16
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000003756 stirring Methods 0.000 description 14
- 238000003825 pressing Methods 0.000 description 12
- 238000004611 spectroscopical analysis Methods 0.000 description 12
- 238000000605 extraction Methods 0.000 description 6
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 5
- 238000004090 dissolution Methods 0.000 description 4
- 239000008399 tap water Substances 0.000 description 4
- 235000020679 tap water Nutrition 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 238000011085 pressure filtration Methods 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- ZDVYABSQRRRIOJ-UHFFFAOYSA-N boron;iron Chemical compound [Fe]#B ZDVYABSQRRRIOJ-UHFFFAOYSA-N 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- C22B59/00—Obtaining rare 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
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
Claims (6)
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CN201810865627.1A CN108950250B (zh) | 2018-08-01 | 2018-08-01 | 一种钕铁硼废料酸溶渣中稀土的回收方法 |
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CN201810865627.1A CN108950250B (zh) | 2018-08-01 | 2018-08-01 | 一种钕铁硼废料酸溶渣中稀土的回收方法 |
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CN108950250A CN108950250A (zh) | 2018-12-07 |
CN108950250B true CN108950250B (zh) | 2020-11-24 |
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Families Citing this family (2)
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CN111485110A (zh) * | 2020-06-05 | 2020-08-04 | 中国林业科学研究院林产化学工业研究所 | 一种提高稀土中有价元素利用率的方法 |
CN114921668B (zh) * | 2022-06-30 | 2024-06-11 | 包头稀土研究院 | 降低稀土铁硼废料盐酸优溶铁渣中稀土含量的方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104446427A (zh) * | 2014-11-18 | 2015-03-25 | 连云港市兆昱新材料实业有限公司 | 一种基于钕铁硼废料生产的稀土掺杂尖晶石型铁氧体磁粉及制备方法 |
CN105002366A (zh) * | 2015-07-14 | 2015-10-28 | 山东梁山天马永磁材料有限公司 | 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 |
CN105039727A (zh) * | 2015-07-14 | 2015-11-11 | 山东梁山天马永磁材料有限公司 | 一种从超低含量NdFeB废渣中回收稀土的工艺方法 |
CN105734296A (zh) * | 2016-04-20 | 2016-07-06 | 南阳东方应用化工研究所 | 一种钕铁硼废料酸浸渣的综合利用方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160068929A1 (en) * | 2014-09-08 | 2016-03-10 | Patrick R. Taylor | EXTRACTION OF RARE EARTH METALS FROM NdFeB USING SELECTIVE SULFATION ROASTING |
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2018
- 2018-08-01 CN CN201810865627.1A patent/CN108950250B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104446427A (zh) * | 2014-11-18 | 2015-03-25 | 连云港市兆昱新材料实业有限公司 | 一种基于钕铁硼废料生产的稀土掺杂尖晶石型铁氧体磁粉及制备方法 |
CN105002366A (zh) * | 2015-07-14 | 2015-10-28 | 山东梁山天马永磁材料有限公司 | 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 |
CN105039727A (zh) * | 2015-07-14 | 2015-11-11 | 山东梁山天马永磁材料有限公司 | 一种从超低含量NdFeB废渣中回收稀土的工艺方法 |
CN105734296A (zh) * | 2016-04-20 | 2016-07-06 | 南阳东方应用化工研究所 | 一种钕铁硼废料酸浸渣的综合利用方法 |
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Denomination of invention: A method for recovering rare earth from acid soluble slag of Nd-Fe-B waste Effective date of registration: 20220615 Granted publication date: 20201124 Pledgee: Lujiang County small and medium-sized enterprises financing Company limited by guarantee Pledgor: ANHUI JINSANLONG RENEWABLE RESOURCES CO.,LTD. Registration number: Y2022980007872 |
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Granted publication date: 20201124 Pledgee: Lujiang County small and medium-sized enterprises financing Company limited by guarantee Pledgor: ANHUI JINSANLONG RENEWABLE RESOURCES CO.,LTD. Registration number: Y2022980007872 |
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