BR9104844A - Processo para a extracao seletiva de cerio de uma solucao aquosa de elementos de terras raras - Google Patents
Processo para a extracao seletiva de cerio de uma solucao aquosa de elementos de terras rarasInfo
- Publication number
- BR9104844A BR9104844A BR919104844A BR9104844A BR9104844A BR 9104844 A BR9104844 A BR 9104844A BR 919104844 A BR919104844 A BR 919104844A BR 9104844 A BR9104844 A BR 9104844A BR 9104844 A BR9104844 A BR 9104844A
- Authority
- BR
- Brazil
- Prior art keywords
- cerio
- elements
- aqueous solution
- selective extraction
- rare lands
- Prior art date
Links
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
Landscapes
- 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)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR919104844A BR9104844A (pt) | 1991-11-06 | 1991-11-06 | Processo para a extracao seletiva de cerio de uma solucao aquosa de elementos de terras raras |
AU27378/92A AU2737892A (en) | 1991-11-06 | 1992-10-28 | Process for the extraction of cerium from an aqueous solution of a mixture of rare-earth elements |
EP92203314A EP0541158A1 (fr) | 1991-11-06 | 1992-10-28 | Procédé pour l'extraction de cérium d'une solution aqueuse d'un mélange d'éléments des terres rares |
NO92924266A NO924266L (no) | 1991-11-06 | 1992-11-05 | Fremgangsmaate for selektiv ekstraksjon av cerium fra en vandig loesning av de sjeldne jordelementer |
JP4297362A JPH05254832A (ja) | 1991-11-06 | 1992-11-06 | 希土類元素の混合物の水溶液からのセリウムの抽出方法 |
CN 92113762 CN1073487A (zh) | 1991-11-06 | 1992-11-06 | 从稀土元素混合物的水溶液中提取铈的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR919104844A BR9104844A (pt) | 1991-11-06 | 1991-11-06 | Processo para a extracao seletiva de cerio de uma solucao aquosa de elementos de terras raras |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9104844A true BR9104844A (pt) | 1993-05-11 |
Family
ID=4053182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR919104844A BR9104844A (pt) | 1991-11-06 | 1991-11-06 | Processo para a extracao seletiva de cerio de uma solucao aquosa de elementos de terras raras |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0541158A1 (pt) |
JP (1) | JPH05254832A (pt) |
CN (1) | CN1073487A (pt) |
AU (1) | AU2737892A (pt) |
BR (1) | BR9104844A (pt) |
NO (1) | NO924266L (pt) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11319752A (ja) * | 1998-05-12 | 1999-11-24 | Sumitomo Metal Mining Co Ltd | 希土類元素含有物からの有価組成物の回収方法、及びこれにより得られた合金粉末 |
US6863825B2 (en) | 2003-01-29 | 2005-03-08 | Union Oil Company Of California | Process for removing arsenic from aqueous streams |
US8066874B2 (en) | 2006-12-28 | 2011-11-29 | Molycorp Minerals, Llc | Apparatus for treating a flow of an aqueous solution containing arsenic |
US8349764B2 (en) | 2007-10-31 | 2013-01-08 | Molycorp Minerals, Llc | Composition for treating a fluid |
US8252087B2 (en) | 2007-10-31 | 2012-08-28 | Molycorp Minerals, Llc | Process and apparatus for treating a gas containing a contaminant |
KR101443468B1 (ko) | 2010-03-12 | 2014-09-22 | 히타치가세이가부시끼가이샤 | 슬러리, 연마액 세트, 연마액 및 이것들을 이용한 기판의 연마 방법 |
CN103221503A (zh) * | 2010-11-22 | 2013-07-24 | 日立化成株式会社 | 磨粒的制造方法、悬浮液的制造方法以及研磨液的制造方法 |
SG190058A1 (en) | 2010-11-22 | 2013-06-28 | Hitachi Chemical Co Ltd | Slurry, polishing liquid set, polishing liquid, method for polishing substrate, and substrate |
CN103497733B (zh) | 2010-11-22 | 2016-11-23 | 日立化成株式会社 | 悬浮液、研磨液套剂、研磨液、基板的研磨方法及基板 |
US9233863B2 (en) | 2011-04-13 | 2016-01-12 | Molycorp Minerals, Llc | Rare earth removal of hydrated and hydroxyl species |
CN102605198B (zh) * | 2012-01-13 | 2013-09-25 | 东北大学 | 一种氟碳铈矿的分解方法 |
WO2013125445A1 (ja) | 2012-02-21 | 2013-08-29 | 日立化成株式会社 | 研磨剤、研磨剤セット及び基体の研磨方法 |
SG10201606827RA (en) | 2012-02-21 | 2016-10-28 | Hitachi Chemical Co Ltd | Polishing agent, polishing agent set, and substrate polishing method |
CN104321852B (zh) | 2012-05-22 | 2016-12-28 | 日立化成株式会社 | 悬浮液、研磨液套剂、研磨液、基体的研磨方法及基体 |
SG11201407087XA (en) | 2012-05-22 | 2014-12-30 | Hitachi Chemical Co Ltd | Slurry, polishing-solution set, polishing solution, substrate polishing method, and substrate |
US9932497B2 (en) | 2012-05-22 | 2018-04-03 | Hitachi Chemical Company, Ltd. | Slurry, polishing-solution set, polishing solution, substrate polishing method, and substrate |
EP3113859A4 (en) | 2014-03-07 | 2017-10-04 | Secure Natural Resources LLC | Cerium (iv) oxide with exceptional arsenic removal properties |
US11767228B2 (en) * | 2018-05-03 | 2023-09-26 | Arafura Resources Limited | Processing rare earth sulphate solutions |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE725484C (de) * | 1938-09-05 | 1942-09-23 | Degussa | Verfahren zur Gewinnung von Cerdioxyd |
US3111375A (en) * | 1957-09-02 | 1963-11-19 | Gottdenker Friedrich | Process for the separation of thorium, cerium and rare earths starting from their oxides or hydroxides |
US3594117A (en) * | 1968-10-30 | 1971-07-20 | Sylvania Electric Prod | Process for removing cerium and thorium from the other rare earth metals |
FR2587037A1 (fr) * | 1985-09-10 | 1987-03-13 | Rhone Poulenc Spec Chim | Procede de traitement de minerais de terres rares |
FR2596382B1 (fr) * | 1986-03-26 | 1988-05-27 | Rhone Poulenc Chimie | Dispersions aqueuses colloidales d'un compose de cerium iv et leur procede d'obtention |
CN1021579C (zh) * | 1989-05-09 | 1993-07-14 | 兰州大学 | 从混合稀土中分离二氧化铈的方法 |
-
1991
- 1991-11-06 BR BR919104844A patent/BR9104844A/pt not_active Application Discontinuation
-
1992
- 1992-10-28 EP EP92203314A patent/EP0541158A1/fr not_active Withdrawn
- 1992-10-28 AU AU27378/92A patent/AU2737892A/en not_active Abandoned
- 1992-11-05 NO NO92924266A patent/NO924266L/no unknown
- 1992-11-06 CN CN 92113762 patent/CN1073487A/zh active Pending
- 1992-11-06 JP JP4297362A patent/JPH05254832A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH05254832A (ja) | 1993-10-05 |
NO924266D0 (no) | 1992-11-05 |
AU2737892A (en) | 1993-05-13 |
CN1073487A (zh) | 1993-06-23 |
EP0541158A1 (fr) | 1993-05-12 |
NO924266L (no) | 1993-05-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA1 | Application deemed withdrawn (art. 18(2)) |