JPH0429607B2 - - Google Patents
Info
- Publication number
- JPH0429607B2 JPH0429607B2 JP1444184A JP1444184A JPH0429607B2 JP H0429607 B2 JPH0429607 B2 JP H0429607B2 JP 1444184 A JP1444184 A JP 1444184A JP 1444184 A JP1444184 A JP 1444184A JP H0429607 B2 JPH0429607 B2 JP H0429607B2
- Authority
- JP
- Japan
- Prior art keywords
- rare earth
- phosphors
- waste
- acid
- amount
- 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.)
- Expired - Lifetime
Links
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 32
- 150000002910 rare earth metals Chemical class 0.000 claims description 27
- 239000002699 waste material Substances 0.000 claims description 20
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 17
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 5
- 229910017604 nitric acid Inorganic materials 0.000 claims description 5
- 235000006408 oxalic acid Nutrition 0.000 claims description 4
- 229910001404 rare earth metal oxide Inorganic materials 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- -1 rare earth oxalate Chemical class 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 239000002244 precipitate Substances 0.000 claims 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 238000004090 dissolution Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 229910052791 calcium Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 229910052693 Europium Inorganic materials 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910052771 Terbium Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000001054 red pigment Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910052727 yttrium Inorganic materials 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 229910052772 Samarium Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hcl hcl Chemical compound Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical group S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/41—Preparation of salts of carboxylic acids
- C07C51/412—Preparation of salts of carboxylic acids by conversion of the acids, their salts, esters or anhydrides with the same carboxylic acid part
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
- C01F17/218—Yttrium oxides or hydroxides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/01—Recovery of luminescent materials
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7783—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
- C09K11/7784—Chalcogenides
- C09K11/7787—Oxides
- C09K11/7789—Oxysulfides
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Luminescent Compositions (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59014441A JPS60161330A (ja) | 1984-01-31 | 1984-01-31 | 廃希土類蛍光体からの高純度希土類酸化物の回収方法 |
| KR1019850000362A KR910005048B1 (ko) | 1984-01-31 | 1985-01-22 | 폐 희토류 형광체로부터의 고순도 희토류 산화물의 회수방법 |
| US06/694,282 US4650652A (en) | 1984-01-31 | 1985-01-24 | Process for recovering highly pure rare earth oxides from a waste rare earth phosphor |
| DE19853502907 DE3502907C2 (de) | 1984-01-31 | 1985-01-29 | Verfahren zur Rückgewinnung von hochreinen Seltenen Erdoxiden aus einem Seltene Erd-Leuchtstoff-Abfallmaterial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59014441A JPS60161330A (ja) | 1984-01-31 | 1984-01-31 | 廃希土類蛍光体からの高純度希土類酸化物の回収方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60161330A JPS60161330A (ja) | 1985-08-23 |
| JPH0429607B2 true JPH0429607B2 (en]) | 1992-05-19 |
Family
ID=11861112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59014441A Granted JPS60161330A (ja) | 1984-01-31 | 1984-01-31 | 廃希土類蛍光体からの高純度希土類酸化物の回収方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4650652A (en]) |
| JP (1) | JPS60161330A (en]) |
| KR (1) | KR910005048B1 (en]) |
| DE (1) | DE3502907C2 (en]) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62187112A (ja) * | 1986-02-13 | 1987-08-15 | Santoku Kinzoku Kogyo Kk | 希土類元素・鉄系磁石材料から希土類元素を回収する方法 |
| US4902655A (en) * | 1987-11-16 | 1990-02-20 | Westinghouse Electric Corp. | Preparation of precursors for yttrium-containing advanced ceramics |
| US4900536A (en) * | 1987-11-16 | 1990-02-13 | Westinghouse Electric Corp. | Preparation of precursors for yttrium-containing ceramic superconductors |
| US4799530A (en) * | 1988-02-08 | 1989-01-24 | Precision Castparts Corp. | Method for recovering casting refractory compositions from investment casting slurries |
| US4815516A (en) * | 1988-03-04 | 1989-03-28 | Precision Castparts Corp. | Method for recovering casting refractory compositions from investment casting shell molds |
| US5049363A (en) * | 1989-08-03 | 1991-09-17 | Westinghouse Electric Corp. | Recovery of scandium, yttrium and lanthanides from titanium ore |
| JPH0710730B2 (ja) * | 1990-11-22 | 1995-02-08 | 信越化学工業株式会社 | 希土類元素酸化物の製造方法 |
| JPH0772312B2 (ja) * | 1991-05-17 | 1995-08-02 | 住友金属鉱山株式会社 | 希土類元素の回収方法 |
| US5435959A (en) * | 1993-12-17 | 1995-07-25 | Nike, Inc. | Method of making a mold and parts from the mold |
| WO1996000698A1 (en) * | 1994-06-28 | 1996-01-11 | Pure Etch Co. | Rare earth recovery process |
| RU2159740C1 (ru) * | 1999-12-16 | 2000-11-27 | Государственное предприятие комбинат "Электрохимприбор" | Способ получения окиси гадолиния |
| AU2003238154A1 (en) * | 2002-06-07 | 2003-12-22 | Showa Denko K.K. | Process for recovering rare earth oxide from waste liquid containing rare earth element, and process for producing rare earth oxide using same |
| MY140043A (en) * | 2002-06-07 | 2009-11-30 | Showa Denko Kk | Process for producing rare earth oxide-containing abrasive from rare earth oxide-containing waste |
| RU2240285C2 (ru) * | 2002-08-12 | 2004-11-20 | Федеральное государственное унитарное предприятие "Комбинат "Электрохимприбор" | Способ получения окиси гадолиния |
| CZ20041156A3 (cs) * | 2004-11-30 | 2006-07-12 | Ústav chemickych procesu AV CR | Zpusob extrakce iontu europitých a yttritých z koncentrátu luminoforového prachu ci kalu |
| CN100443412C (zh) * | 2006-01-18 | 2008-12-17 | 朴钟殷 | 酸法焙烧稀土精矿工艺尾气和废水治理方法 |
| JP4846771B2 (ja) * | 2008-08-12 | 2011-12-28 | Ｊｆｅミネラル株式会社 | 廃蛍光灯からの希土類元素回収の前処理方法およびその前処理方法によって得られる固形物を用いた希土類元素回収方法 |
| US8137645B2 (en) * | 2010-02-23 | 2012-03-20 | General Electric Company | Rare earth recovery from fluorescent material and associated method |
| CN101824537B (zh) * | 2010-04-07 | 2012-03-21 | 赣州虔东稀土集团股份有限公司 | 超高纯氧化钆及其电化还原全封闭式萃取生产工艺 |
| EP2444507B1 (en) * | 2010-10-20 | 2015-03-04 | Montanuniversität Leoben | Recovery of rare earth metals from waste material by leaching in non-oxidizing acid and by precipitating using sulphates |
| DE102011076038A1 (de) * | 2011-05-18 | 2012-11-22 | Osram Ag | Verfahren zur Rückgewinnung von Phosphorsäure aus Leuchtstofflampen |
| DE102011082687A1 (de) * | 2011-09-14 | 2013-03-14 | Siemens Aktiengesellschaft | Verfahren zum Wiederaufbereiten von Seltenerd-Oxisulfiden |
| US8524176B2 (en) | 2011-12-15 | 2013-09-03 | Reenewal Corporation | Rare earth recovery from phosphor |
| CN102942268A (zh) * | 2012-11-23 | 2013-02-27 | 昆明川金诺化工股份有限公司 | 一种硫精砂生产硫酸废水处理的方法 |
| US9970078B2 (en) | 2012-12-17 | 2018-05-15 | Element 21 Pty Limited | Method for producing a solid scandium-containing material of enhanced scandium content |
| CN103408091B (zh) * | 2013-07-19 | 2015-02-04 | 广州有色金属研究院 | 一种草酸稀土沉淀废水的回收方法 |
| US9334549B2 (en) * | 2013-12-20 | 2016-05-10 | General Electric Company | Systems and methods for recovery of rare-earth constituents from environmental barrier coatings |
| US20160068929A1 (en) * | 2014-09-08 | 2016-03-10 | Patrick R. Taylor | EXTRACTION OF RARE EARTH METALS FROM NdFeB USING SELECTIVE SULFATION ROASTING |
| CN104357670B (zh) * | 2014-11-04 | 2016-05-18 | 江西理工大学 | 一种稀土草酸废水中和渣综合回收利用的方法 |
| CN105624403B (zh) * | 2014-11-24 | 2018-08-24 | 赣州力赛科新技术有限公司 | 一种废酸的综合利用方法 |
| WO2018048464A1 (en) * | 2016-09-06 | 2018-03-15 | Iowa State University Research Foundation, Inc. | Dissolution and separation of rare earth metals |
| CN110629055A (zh) * | 2019-08-30 | 2019-12-31 | 赣州市恒源科技股份有限公司 | 一种从荧光粉废料中回收稀土氧化物的方法 |
| CN111362294B (zh) * | 2020-04-14 | 2022-06-14 | 开化祥盛磁业有限公司 | 一种处理铽靶材废料的方法和一种氧化铽及其制备方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB866715A (en) * | 1957-04-26 | 1961-04-26 | Kurt Peters | Process for separating and purifying elements forming insoluble or difficultly soluble oxalates |
| BE668480A (en]) * | 1964-08-26 | 1966-02-21 | ||
| NL131569C (en]) * | 1965-12-28 | 1900-01-01 | ||
| DE2818997C2 (de) * | 1978-02-17 | 1980-02-07 | Schweizerische Aluminium Ag, Chippis (Schweiz) | Verfahren zur Rückgewinnung und Trennung von Gadolinium und Gallium aus Schrott |
| US4400360A (en) * | 1982-12-01 | 1983-08-23 | Allied Corporation | Recovery of gadolinium and gallium oxides |
| US4438078A (en) * | 1982-12-20 | 1984-03-20 | Allied Corporation | Recovery of gadolinium and gallium oxides |
| US4405568A (en) * | 1982-12-20 | 1983-09-20 | Allied Corporation | Recovery of gadolinium and gallium oxides |
-
1984
- 1984-01-31 JP JP59014441A patent/JPS60161330A/ja active Granted
-
1985
- 1985-01-22 KR KR1019850000362A patent/KR910005048B1/ko not_active Expired
- 1985-01-24 US US06/694,282 patent/US4650652A/en not_active Expired - Lifetime
- 1985-01-29 DE DE19853502907 patent/DE3502907C2/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US4650652A (en) | 1987-03-17 |
| KR910005048B1 (ko) | 1991-07-22 |
| JPS60161330A (ja) | 1985-08-23 |
| DE3502907C2 (de) | 1996-08-14 |
| DE3502907A1 (de) | 1985-08-08 |
| KR850005376A (ko) | 1985-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0429607B2 (en]) | ||
| CN101307391A (zh) | 一种回收废弃荧光灯中稀土元素的方法 | |
| CN107513620A (zh) | 一种从荧光粉废料中提取稀土氧化物的工艺方法 | |
| DE102014206223B4 (de) | Verfahren zur Rückgewinnung Seltener Erden aus FeNdB-haltigen Magneten | |
| CN110205482A (zh) | 一种锌冶炼有机物除钴渣的综合回收方法 | |
| CN106967891B (zh) | 一种从稀土荧光粉混合废料中梯度回收稀土的方法 | |
| Sayed et al. | Studies on europium separation from a middle rare earth concentrate by in situ zinc reduction technique | |
| JPH0481526B2 (en]) | ||
| CN114457238A (zh) | 从稀土电解熔盐渣中同步浸出稀土、氟、锂酸浸液的方法 | |
| JP2542797B2 (ja) | 高純度シリカの製造方法 | |
| CN108950187A (zh) | 一种碳酸钠焙烧分解混合稀土矿的方法 | |
| CN108913877A (zh) | 一种铁矾渣酸浸出降铁分离铟和锌的方法 | |
| CN109988918B (zh) | 钒铁除尘灰制备偏钒酸铵的方法 | |
| US3420860A (en) | Method of rare-earth metal recovery from orthovanadate compound | |
| CN112723393B (zh) | 一种从废钽/铌酸锂中制备高纯五氯化钽/铌和氯化锂的方法 | |
| JPH08333641A (ja) | 廃ブラウン管からの希土類元素の回収方法 | |
| CN108715944A (zh) | 一种钼焙砂一步碱浸出方法 | |
| US3594118A (en) | Separation of yttrium and cerium | |
| JPH0331644B2 (en]) | ||
| US3746652A (en) | Method for producing europium activated yttrium vanadate phosphor | |
| CN114990366A (zh) | 一种利用碱熔预处理废弃荧光粉回收稀土元素的方法及助熔剂 | |
| JPH08333642A (ja) | 廃ブラウン管からの希土類元素の回収方法 | |
| DE102014224015A1 (de) | Verfahren zur Rückgewinnung Seltener Erden aus Seltene Erden-haltigen Leuchtstoffen | |
| US2532102A (en) | Production of ammonium beryllium fluoride | |
| CN116162811B (zh) | 硫酸稀土浸出液除杂的方法 |