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BR8804340A - Processo para extracao seletiva de uranio de uma solucao de acido fosforico de processo a umido - Google Patents

Processo para extracao seletiva de uranio de uma solucao de acido fosforico de processo a umido

Info

Publication number
BR8804340A
BR8804340A BR8804340A BR8804340A BR8804340A BR 8804340 A BR8804340 A BR 8804340A BR 8804340 A BR8804340 A BR 8804340A BR 8804340 A BR8804340 A BR 8804340A BR 8804340 A BR8804340 A BR 8804340A
Authority
BR
Brazil
Prior art keywords
uranium
phosphoric acid
acid solution
selective extraction
humid
Prior art date
Application number
BR8804340A
Other languages
English (en)
Inventor
William Andrew Rickelton
Original Assignee
American Cyanamid Co
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 American Cyanamid Co filed Critical American Cyanamid Co
Publication of BR8804340A publication Critical patent/BR8804340A/pt

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
    • C22B60/00—Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
    • C22B60/02—Obtaining thorium, uranium, or other actinides
    • C22B60/0204—Obtaining thorium, uranium, or other actinides obtaining uranium
    • C22B60/0217—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes
    • C22B60/0252—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries
    • C22B60/026—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries liquid-liquid extraction with or without dissolution in organic solvents

Landscapes

  • Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Manufacture And Refinement Of Metals (AREA)
BR8804340A 1987-08-27 1988-08-25 Processo para extracao seletiva de uranio de uma solucao de acido fosforico de processo a umido BR8804340A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/090,178 US4778663A (en) 1987-08-27 1987-08-27 Uranium recovery from wet process phosphoric acid unsymmetrical phosphine oxides

Publications (1)

Publication Number Publication Date
BR8804340A true BR8804340A (pt) 1989-03-21

Family

ID=22221653

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8804340A BR8804340A (pt) 1987-08-27 1988-08-25 Processo para extracao seletiva de uranio de uma solucao de acido fosforico de processo a umido

Country Status (5)

Country Link
US (1) US4778663A (pt)
BE (1) BE1001758A3 (pt)
BR (1) BR8804340A (pt)
IT (1) IT1224723B (pt)
MA (1) MA21359A1 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5437848A (en) * 1992-07-10 1995-08-01 Cabot Corporation Recovery of metal values from process residues
CA2077601A1 (en) * 1992-09-04 1994-03-05 William Andrew Rickelton Recovery of indium by solvent extraction using trialkyl-phosphine oxides
WO1997036014A1 (en) * 1996-03-26 1997-10-02 Cabot Corporation METHOD FOR SOLUBILIZING METAL VALUES FROM Ta-Nb-ORE MATERIALS CONTAINING INSOLUBLE FLUORIDES
US6843970B1 (en) 1996-03-26 2005-01-18 Cabot Corporation Process for recovering metal values by dissolving them in a sulfuric acid solution containing a carbon source and a reducing agent
US7282187B1 (en) 1996-03-26 2007-10-16 Caboi Corporation Recovery of metal values

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US31686A (en) * 1861-03-12 Improvement in reaping and mowing machines
US2859094A (en) * 1957-02-07 1958-11-04 John M Schmitt Uranium extraction process using synergistic reagents
US3737513A (en) * 1970-07-02 1973-06-05 Freeport Minerals Co Recovery of uranium from an organic extractant by back extraction with h3po4 or hf
US3711591A (en) * 1970-07-08 1973-01-16 Atomic Energy Commission Reductive stripping process for the recovery of uranium from wet-process phosphoric acid
USRE31686E (en) 1970-07-08 1984-09-25 The United States Of America As Represented By The United States Department Of Energy Reductive stripping process for the recovery of uranium from wet-process phosphoric acid
US3836476A (en) * 1971-10-04 1974-09-17 Kerr Mc Gee Chem Corp Simultaneous recovery of vanadium and uranium from oxidized wet process acid
US4212849A (en) * 1978-01-13 1980-07-15 Kerr-Mcgee Corporation Simultaneous extraction and recovery of uranium and vanadium from wet process acids
CA1139956A (en) * 1978-10-10 1983-01-25 Mark A. Rose Process for extracting uranium from crude phosphoric acids
IL58726A (en) * 1978-11-28 1982-12-31 Commissariat Energie Atomique Recovery of uranium from phosphoric acid solutions
LU84333A1 (fr) * 1982-08-13 1984-03-23 Prayon Rupel Soc Chimique Procede et installation pour re-extraire,en plusieurs etages successifs,de l'uranium d'un extractant
FR2539549B1 (fr) * 1983-01-17 1988-10-14 Rhone Poulenc Chim Base Procede de recuperation globale de l'uranium, de l'yttrium, du thorium et des terres rares contenus dans une phase organique

Also Published As

Publication number Publication date
IT1224723B (it) 1990-10-18
MA21359A1 (fr) 1989-04-01
IT8848307A0 (it) 1988-08-26
US4778663A (en) 1988-10-18
BE1001758A3 (fr) 1990-02-27

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Legal Events

Date Code Title Description
FG Letter patent granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 25/08/2003