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 raras

Info

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
Application number
BR919104844A
Other languages
English (en)
Inventor
Marc Demets
Luiz Morino
Fernando Lellis
Original Assignee
Solvay
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Solvay filed Critical Solvay
Priority to BR919104844A priority Critical patent/BR9104844A/pt
Priority to AU27378/92A priority patent/AU2737892A/en
Priority to EP92203314A priority patent/EP0541158A1/fr
Priority to NO92924266A priority patent/NO924266L/no
Priority to JP4297362A priority patent/JPH05254832A/ja
Priority to CN 92113762 priority patent/CN1073487A/zh
Publication of BR9104844A publication Critical patent/BR9104844A/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B59/00Obtaining 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)
BR919104844A 1991-11-06 1991-11-06 Processo para a extracao seletiva de cerio de uma solucao aquosa de elementos de terras raras BR9104844A (pt)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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))