CN102127646A - 一种酸分解稀土渣再处理方法 - Google Patents
一种酸分解稀土渣再处理方法 Download PDFInfo
- Publication number
- CN102127646A CN102127646A CN2011100541691A CN201110054169A CN102127646A CN 102127646 A CN102127646 A CN 102127646A CN 2011100541691 A CN2011100541691 A CN 2011100541691A CN 201110054169 A CN201110054169 A CN 201110054169A CN 102127646 A CN102127646 A CN 102127646A
- Authority
- CN
- China
- Prior art keywords
- rare earth
- slag
- acid
- washing
- filtering
- Prior art date
- 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.)
- Granted
Links
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 66
- 239000002893 slag Substances 0.000 title claims abstract description 65
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 59
- 239000002253 acid Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000012958 reprocessing Methods 0.000 title abstract 3
- 238000005406 washing Methods 0.000 claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 11
- 239000000706 filtrate Substances 0.000 claims abstract description 11
- 230000004913 activation Effects 0.000 claims abstract description 7
- 239000004411 aluminium Substances 0.000 claims abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- 238000012545 processing Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 22
- 238000011268 retreatment Methods 0.000 claims description 10
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 8
- 238000011084 recovery Methods 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 abstract description 4
- 229910052742 iron Inorganic materials 0.000 abstract description 4
- -1 rare earth ion Chemical class 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 abstract 1
- 230000003213 activating effect Effects 0.000 abstract 1
- 235000019270 ammonium chloride Nutrition 0.000 abstract 1
- TWJVNKMWXNTSAP-UHFFFAOYSA-N azanium;hydroxide;hydrochloride Chemical compound [NH4+].O.[Cl-] TWJVNKMWXNTSAP-UHFFFAOYSA-N 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 239000000460 chlorine Substances 0.000 description 7
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 238000003916 acid precipitation Methods 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 235000006408 oxalic acid Nutrition 0.000 description 2
- 229910017090 AlO 2 Inorganic materials 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Processing Of Solid Wastes (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110054169A CN102127646B (zh) | 2011-03-07 | 2011-03-07 | 一种酸分解稀土渣再处理方法 |
Applications Claiming Priority (1)
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CN201110054169A CN102127646B (zh) | 2011-03-07 | 2011-03-07 | 一种酸分解稀土渣再处理方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102127646A true CN102127646A (zh) | 2011-07-20 |
CN102127646B CN102127646B (zh) | 2012-09-12 |
Family
ID=44265915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110054169A Active CN102127646B (zh) | 2011-03-07 | 2011-03-07 | 一种酸分解稀土渣再处理方法 |
Country Status (1)
Country | Link |
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CN (1) | CN102127646B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103215451A (zh) * | 2013-02-19 | 2013-07-24 | 南京格洛特环境工程有限公司 | 一种离子型稀土冶炼酸溶渣中稀土元素回收的方法 |
CN106319218A (zh) * | 2015-06-16 | 2017-01-11 | 有研稀土新材料股份有限公司 | 从含稀土的铝硅废料中回收稀土、铝和硅的方法 |
CN108411110A (zh) * | 2018-06-04 | 2018-08-17 | 四川英创环保科技有限公司 | 一种稀土料液除杂工艺 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02111822A (ja) * | 1988-10-19 | 1990-04-24 | Tosoh Corp | 希土類元素の分離方法 |
CN1044635A (zh) * | 1989-02-01 | 1990-08-15 | 包钢稀土二厂 | 以稀土渣为原料制备氯化稀土的工艺方法 |
CN1656239A (zh) * | 2002-03-19 | 2005-08-17 | 株式会社三德 | 从稀土类-过滤金属合金废料回收有用元素的方法 |
CN101979335A (zh) * | 2010-12-02 | 2011-02-23 | 刘小南 | 稀土矿山废渣废水治理徽量稀土回收工艺 |
-
2011
- 2011-03-07 CN CN201110054169A patent/CN102127646B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02111822A (ja) * | 1988-10-19 | 1990-04-24 | Tosoh Corp | 希土類元素の分離方法 |
CN1044635A (zh) * | 1989-02-01 | 1990-08-15 | 包钢稀土二厂 | 以稀土渣为原料制备氯化稀土的工艺方法 |
CN1656239A (zh) * | 2002-03-19 | 2005-08-17 | 株式会社三德 | 从稀土类-过滤金属合金废料回收有用元素的方法 |
CN101979335A (zh) * | 2010-12-02 | 2011-02-23 | 刘小南 | 稀土矿山废渣废水治理徽量稀土回收工艺 |
Non-Patent Citations (4)
Title |
---|
《稀土》 19990831 李良才等 攀西稀土矿湿法冶炼技术现状与进展 51-56 1-5 第20卷, 第4期 * |
《稀土》 20051231 赵团等 高炉转型稀土渣盐酸化选除杂工艺研究 46-48、60 1-5 第26卷, 第6期 * |
《稀土》 20060228 赵团等 化选矿硫酸浸出稀土工艺研究 47-49 1-5 第27卷, 第1期 * |
《稀有金属与硬质合金》 20090930 郎晓川等 我国混合稀土精矿处理方法的研究进展 43-47 1-5 第37卷, 第3期 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103215451A (zh) * | 2013-02-19 | 2013-07-24 | 南京格洛特环境工程有限公司 | 一种离子型稀土冶炼酸溶渣中稀土元素回收的方法 |
CN106319218A (zh) * | 2015-06-16 | 2017-01-11 | 有研稀土新材料股份有限公司 | 从含稀土的铝硅废料中回收稀土、铝和硅的方法 |
CN106319218B (zh) * | 2015-06-16 | 2019-12-24 | 有研稀土新材料股份有限公司 | 从含稀土的铝硅废料中回收稀土、铝和硅的方法 |
CN108411110A (zh) * | 2018-06-04 | 2018-08-17 | 四川英创环保科技有限公司 | 一种稀土料液除杂工艺 |
Also Published As
Publication number | Publication date |
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CN102127646B (zh) | 2012-09-12 |
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C06 | Publication | ||
PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20110720 Assignee: GUANGZHOU ZHUJIANG PHOTOELECTRIC NEW MATERIALS Co.,Ltd. Assignor: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH Co.,Ltd. Contract record no.: 2013990000325 Denomination of invention: Method for reprocessing rare earth slag by acid composition Granted publication date: 20120912 License type: Exclusive License Record date: 20130619 |
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LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CP03 | Change of name, title or address |
Address after: 366300 new industrial zone, Changting Economic Development Zone, Longyan City, Fujian Province Patentee after: Fujian Jinlong Rare Earth Co.,Ltd. Country or region after: China Address before: 366300 Changting Jinlong Rare Earth Co., Ltd., Industrial New District, Changting Economic Development Zone, Longyan City, Fujian Province Patentee before: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH Co.,Ltd. Country or region before: China |
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