FR2542302B1 - Procede ameliore de recuperation par solvant de l'uranium present dans l'acide phosphorique - Google Patents

Procede ameliore de recuperation par solvant de l'uranium present dans l'acide phosphorique

Info

Publication number
FR2542302B1
FR2542302B1 FR8304099A FR8304099A FR2542302B1 FR 2542302 B1 FR2542302 B1 FR 2542302B1 FR 8304099 A FR8304099 A FR 8304099A FR 8304099 A FR8304099 A FR 8304099A FR 2542302 B1 FR2542302 B1 FR 2542302B1
Authority
FR
France
Prior art keywords
uranium
phosphoric acid
solvent recovery
improved solvent
improved
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
Application number
FR8304099A
Other languages
English (en)
Other versions
FR2542302A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pechiney Ugine Kuhlmann SA
Original Assignee
Pechiney Ugine Kuhlmann SA
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 Pechiney Ugine Kuhlmann SA filed Critical Pechiney Ugine Kuhlmann SA
Priority to FR8304099A priority Critical patent/FR2542302B1/fr
Priority to US06/586,288 priority patent/US4643882A/en
Priority to OA58245A priority patent/OA07672A/fr
Priority to BE0/212510A priority patent/BE899082A/fr
Priority to SE8401230A priority patent/SE8401230L/
Priority to FI840895A priority patent/FI840895A/fi
Priority to NL8400735A priority patent/NL8400735A/nl
Priority to KR1019840001143A priority patent/KR840008143A/ko
Priority to BR8401053A priority patent/BR8401053A/pt
Priority to MA20276A priority patent/MA20054A1/fr
Publication of FR2542302A1 publication Critical patent/FR2542302A1/fr
Application granted granted Critical
Publication of FR2542302B1 publication Critical patent/FR2542302B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G43/00—Compounds of uranium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/18—Phosphoric acid
    • C01B25/234—Purification; Stabilisation; Concentration
    • C01B25/235—Clarification; Stabilisation to prevent post-precipitation of dissolved impurities
    • 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
    • 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
    • C22B60/0278—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries by chemical methods
    • C22B60/0282—Solutions containing P ions, e.g. treatment of solutions resulting from the leaching of phosphate ores or recovery of uranium from wet-process phosphoric acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
FR8304099A 1983-03-08 1983-03-08 Procede ameliore de recuperation par solvant de l'uranium present dans l'acide phosphorique Expired FR2542302B1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FR8304099A FR2542302B1 (fr) 1983-03-08 1983-03-08 Procede ameliore de recuperation par solvant de l'uranium present dans l'acide phosphorique
US06/586,288 US4643882A (en) 1983-03-08 1984-03-05 Process for recovery by a solvent of the uranium present in phosphoric acid
BE0/212510A BE899082A (fr) 1983-03-08 1984-03-06 Procede ameliore de recuperation par solvant de l'uranium present dans l'acide phosphorique
SE8401230A SE8401230L (sv) 1983-03-08 1984-03-06 Forfarande for atervinning av uran
OA58245A OA07672A (fr) 1983-03-08 1984-03-06 Procédé amélioré de récupération par solvant de l'uranium présent dans l'acide phosphorique.
FI840895A FI840895A (fi) 1983-03-08 1984-03-06 Foerfarande foer aotervinning av uran i fosforsyra medelst loesningsmedel.
NL8400735A NL8400735A (nl) 1983-03-08 1984-03-07 Werkwijze voor het terugwinnen met behulp van een oplosmiddel van het in fosforzuur aanwezige uraan.
KR1019840001143A KR840008143A (ko) 1983-03-08 1984-03-07 우라늄 회수공정
BR8401053A BR8401053A (pt) 1983-03-08 1984-03-08 Processo para recuperacao de uranio presente em acido fosforico obtido por via umida
MA20276A MA20054A1 (fr) 1983-03-08 1984-03-15 Procede ameliore de recuperation par solvant de l'uranium present dans l'acide phosphorique.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8304099A FR2542302B1 (fr) 1983-03-08 1983-03-08 Procede ameliore de recuperation par solvant de l'uranium present dans l'acide phosphorique

Publications (2)

Publication Number Publication Date
FR2542302A1 FR2542302A1 (fr) 1984-09-14
FR2542302B1 true FR2542302B1 (fr) 1985-10-25

Family

ID=9286809

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8304099A Expired FR2542302B1 (fr) 1983-03-08 1983-03-08 Procede ameliore de recuperation par solvant de l'uranium present dans l'acide phosphorique

Country Status (10)

Country Link
US (1) US4643882A (fr)
KR (1) KR840008143A (fr)
BE (1) BE899082A (fr)
BR (1) BR8401053A (fr)
FI (1) FI840895A (fr)
FR (1) FR2542302B1 (fr)
MA (1) MA20054A1 (fr)
NL (1) NL8400735A (fr)
OA (1) OA07672A (fr)
SE (1) SE8401230L (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4759913A (en) * 1987-04-15 1988-07-26 Freeport Research And Engineering Company Recovery of liquid phases from three phase emulsions formed in solvent extraction processes

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2866680A (en) * 1955-03-02 1958-12-30 Ray S Long Alkyl pyrophosphate metal solvent extractants and process
US4207302A (en) * 1974-07-18 1980-06-10 Freeport Minerals Company Method of treating phosphoric acid to prevent crud formation during solvent extraction
JPS5144419A (ja) * 1974-10-14 1976-04-16 Matsushita Electric Ind Co Ltd Itomakihizumihoseisochi
US4190633A (en) * 1977-04-08 1980-02-26 Freeport Minerals Company Crud handling circuit
US4243637A (en) * 1977-10-11 1981-01-06 Occidental Petroleum Company Uranium recovery from pre-treated phosphoric acid
US4233278A (en) * 1978-03-24 1980-11-11 Davy Powergas Inc. Process for purifying crude phosphoric acid
US4250155A (en) * 1978-06-09 1981-02-10 Gardinier, Inc. Method of purifying phosphoric acid after solvent extraction
LU80676A1 (fr) * 1978-12-19 1980-07-21 Metallurgie Hoboken Procede pour enlever des agents salissants de l'acide phosphorique
US4311677A (en) * 1979-12-03 1982-01-19 Swiss Aluminium Ltd. Process for producing phosphoric acid
US4311675A (en) * 1980-01-23 1982-01-19 Westinghouse Electric Corp. Maintaining reductive strip efficiency in uranium recovery processes
NL8000832A (nl) * 1980-02-11 1981-09-01 Stamicarbon Werkwijze voor het winnen van uranium uit natproces fosforzuur.
IT1151105B (it) * 1981-02-23 1986-12-17 Central Glass Co Ltd Procedimento per recuperare uranio da acido fosforico con procrsso per via umida
US4490336A (en) * 1981-05-27 1984-12-25 Prodeco, Inc. Process for stripping uranium from an alkyl pyrophosphoric acid

Also Published As

Publication number Publication date
KR840008143A (ko) 1984-12-13
OA07672A (fr) 1985-05-23
BE899082A (fr) 1984-09-06
US4643882A (en) 1987-02-17
NL8400735A (nl) 1984-10-01
SE8401230L (sv) 1984-09-09
SE8401230D0 (sv) 1984-03-06
MA20054A1 (fr) 1984-10-01
FI840895A (fi) 1984-09-09
FR2542302A1 (fr) 1984-09-14
FI840895A0 (fi) 1984-03-06
BR8401053A (pt) 1984-10-16

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Legal Events

Date Code Title Description
ST Notification of lapse