BR8000441A - Processo para recuperacao de um concentrado contendo uranio e de acido fosforico purificado a partir de acido fosforico do prcesso via umida - Google Patents

Processo para recuperacao de um concentrado contendo uranio e de acido fosforico purificado a partir de acido fosforico do prcesso via umida

Info

Publication number
BR8000441A
BR8000441A BR8000441A BR8000441A BR8000441A BR 8000441 A BR8000441 A BR 8000441A BR 8000441 A BR8000441 A BR 8000441A BR 8000441 A BR8000441 A BR 8000441A BR 8000441 A BR8000441 A BR 8000441A
Authority
BR
Brazil
Prior art keywords
phosphoric acid
recovery
concentrate containing
humid
containing uranium
Prior art date
Application number
BR8000441A
Other languages
English (en)
Inventor
C Weterings
J Janssen
Original Assignee
Stamicarbon
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
Priority claimed from NL7900580A external-priority patent/NL7900580A/nl
Priority claimed from NL7900581A external-priority patent/NL7900581A/nl
Priority claimed from NL7900579A external-priority patent/NL7900579A/nl
Application filed by Stamicarbon filed Critical Stamicarbon
Publication of BR8000441A publication Critical patent/BR8000441A/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
    • C22B60/0278—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
    • 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
    • C01B25/46—Preparation involving solvent-solvent extraction
    • C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
    • C01B25/463—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound the extracting agent being a ketone or a mixture of ketones
    • 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

  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Geology (AREA)
  • Metallurgy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Removal Of Specific Substances (AREA)
BR8000441A 1979-01-25 1980-01-24 Processo para recuperacao de um concentrado contendo uranio e de acido fosforico purificado a partir de acido fosforico do prcesso via umida BR8000441A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL7900580A NL7900580A (nl) 1979-01-25 1979-01-25 Werkwijze voor het winnen van een uraniumbevattend concentraat en gezuiverd fosforzuur.
NL7900581A NL7900581A (nl) 1979-01-25 1979-01-25 Werkwijze voor het winnen van een uraniumbevattend concentraat en gezuiverd fosforzuur.
NL7900579A NL7900579A (nl) 1979-01-25 1979-01-25 Werkwijze voor het winnen van een uraniumbevattend concentraat en gezuiverd fosforzuur.

Publications (1)

Publication Number Publication Date
BR8000441A true BR8000441A (pt) 1980-10-14

Family

ID=27352055

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8000441A BR8000441A (pt) 1979-01-25 1980-01-24 Processo para recuperacao de um concentrado contendo uranio e de acido fosforico purificado a partir de acido fosforico do prcesso via umida

Country Status (7)

Country Link
US (1) US4514365A (pt)
EP (1) EP0015589B1 (pt)
BR (1) BR8000441A (pt)
CA (1) CA1151838A (pt)
DE (1) DE3065736D1 (pt)
ES (1) ES487897A1 (pt)
IL (1) IL59213A (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8000832A (nl) * 1980-02-11 1981-09-01 Stamicarbon Werkwijze voor het winnen van uranium uit natproces fosforzuur.
NL8006571A (nl) * 1980-12-03 1982-07-01 Stamicarbon Werkwijze voor het winnen van een uraniumbevattend concentraat en fosforzuur, alsmede uraniumbevattend concentraat en fosforzuur verkregen volgens deze werkwijze.
FR2531698A2 (fr) * 1981-11-17 1984-02-17 Pechiney Ugine Kuhlmann Uran Traitement de purification d'un concentre uranifere
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
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
US5275700A (en) * 1990-06-29 1994-01-04 The Procter & Gamble Company Papermaking belt and method of making the same using a deformable casting surface
WO2009134294A2 (en) 2008-01-30 2009-11-05 Integrity Consulting, Inc. Destruction of mixed radioactive waste by catalyzed chemical oxidation
WO2019210368A1 (en) 2018-05-03 2019-11-07 Arafura Resources Limited Process for the recovery of rare earths
JP7313429B2 (ja) 2018-05-03 2023-07-24 アラフラ・リソーシズ・リミテッド 希土類硫酸塩溶液の処理

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US952002A (en) * 1909-04-07 1910-03-15 Macwilliam A Dwinell Pen and pencil holder.
US970007A (en) * 1910-06-13 1910-09-13 English & Mersick Co Latch.
US2873165A (en) * 1950-05-26 1959-02-10 Richard H Bailes Uranium recovery process
GB1342344A (en) * 1970-01-30 1974-01-03 Goulding Ltd W H M Purification of phosphoric acid
DE2050406C3 (de) * 1970-10-14 1978-04-06 Budenheim Rud A Oetker Chemie Verfahren zur Reinigung von technischer Phosporsäure
DE2053885B2 (de) * 1970-11-03 1973-01-04 Chemische Fabrik Budenheim, Rudolf A. Oetker, 6501 Budenheim Verfahren zur gemeinsamen Entfernung von Sulfationen und kationischen Verunreinigungen aus technischer Naßverfahrensphosphorsäure
BE788818A (fr) * 1971-11-22 1973-01-02 Budenheim Rud A Oetker Chemie Procede de traitement de produits de regeneration d'echangeurs de cations et d'autres acides contenant des sels
DE2204779B2 (de) * 1972-02-02 1976-06-16 Friedrich Uhde Gmbh, 4600 Dortmund Verfahren zur herstellung von ammonphosphaten
JPS5529134B2 (pt) * 1972-07-31 1980-08-01
US3880980A (en) * 1972-11-30 1975-04-29 Allied Chem Recovery of uranium from HCl digested phosphate rock solution
US3975178A (en) * 1973-10-12 1976-08-17 Tennessee Valley Authority Purification of wet-process phosphoric acid with methanol and ammonia
US3937783A (en) * 1974-02-21 1976-02-10 Allied Chemical Corporation Recovery of fluorine, uranium and rare earth metal values from phosphoric acid by-product brine raffinate
UST952002I4 (pt) * 1975-08-29 1976-11-02
FR2327961A1 (fr) * 1975-10-15 1977-05-13 Cerphos Ctre Etud Rech Phosph Procede pour l'epuration de l'acide phosphorique
US4070443A (en) * 1976-02-13 1978-01-24 Toyo Soda Manufacturing Co., Ltd. Process for removing sulfate ions from extracted phosphoric acid with a barium compound
US4180545A (en) * 1977-03-25 1979-12-25 Tennessee Valley Authority Uranium recovery from wet-process phosphoric acid
UST970007I4 (en) * 1977-03-25 1978-05-02 Tennessee Valley Authority Uranium recovery from wet-process phosphoric acid
US4236911A (en) * 1979-11-08 1980-12-02 Tennessee Valley Authority Purification and conversion of phosphoric acid to ammonium phosphates

Also Published As

Publication number Publication date
ES487897A1 (es) 1980-06-16
IL59213A (en) 1983-05-15
CA1151838A (en) 1983-08-16
US4514365A (en) 1985-04-30
EP0015589B1 (en) 1983-11-30
DE3065736D1 (en) 1984-01-05
EP0015589A1 (en) 1980-09-17

Similar Documents

Publication Publication Date Title
BR8500859A (pt) Processo para preparar acido aminometilenofosfonico do acido n,n-diacetico
BR8101720A (pt) Processo para a preparacao de acido sulfurico
BR8000441A (pt) Processo para recuperacao de um concentrado contendo uranio e de acido fosforico purificado a partir de acido fosforico do prcesso via umida
IT1126404B (it) Processo di ricupero dell'uranio presente nelle soluzioni di acido fosforico
BR8007518A (pt) Processo de purificacao de um acido fosforico de via umida
BR7700753A (pt) Processo e dispositivo para a preparacao de solucoes alcoolicas de acido fosforico a partir de fosfatos acidos
BR8101515A (pt) Processo para preparar um acido benzeno-monocarboxilico
PT84073B (pt) Processo para a preparacao de lactamas aminoglicosidicas do acido nor-colanico
BR7900138A (pt) Processo para a recuperacao de molibdeno a partir de licores de uranio
BR8004508A (pt) Aperfeicoamento em um processo de recuperacao de uranio (vi) contido em um acido fosforico impuro e aplicacao do processo
BR8107393A (pt) Processo para recuperacao de uranio(vi)presente em uma solucao de acido fosforico
BR7705997A (pt) Aperfeicoamento em processo para recuperacao de uranio e processo para purificacao do acido fosforico
BR8304067A (pt) Processo para extracao de uranio contido em solucoes de acidos fosforicos
IL70042A (en) Process for the recovery of uranium from a concentrated phosphoric acid solution
BR8003182A (pt) Aperfeicoamento em um processo de recuperacap de uranio contido em um acido fosforico impuro e aplicacao do processo
BR8804340A (pt) Processo para extracao seletiva de uranio de uma solucao de acido fosforico de processo a umido
BR7700655A (pt) Processo para a recuperacao de epsilon-caprolastama a partir de uma mistura de epsilon caprolactama e acido sulfurico
IT8048160A0 (it) Processo per recuperare acido metacrilico
BR8100321A (pt) Processo para a preparacao de n-terc.-butilamidas do acido alfa-cetocarboxilico
BR8502265A (pt) Aperfeicoamento de processo para recuperacao de uranio contido em acido fosforico via umida
BR8001695A (pt) Processo para a preparacao de dicloretos de acido alquilesterfosforico
BR8401053A (pt) Processo para recuperacao de uranio presente em acido fosforico obtido por via umida
BR8101009A (pt) Processo para a preparacao de diarilesteres do acido imido-dicarboxilico n-substituidos
BR8406014A (pt) Processo para a preparacao de acido 4-nitrotolueno-2-sulfonico
BR8104912A (pt) Processo para preparacao de esteres de acido 3-acilazo -propionico