FR2374931B1 - - Google Patents

Info

Publication number
FR2374931B1
FR2374931B1 FR7738962A FR7738962A FR2374931B1 FR 2374931 B1 FR2374931 B1 FR 2374931B1 FR 7738962 A FR7738962 A FR 7738962A FR 7738962 A FR7738962 A FR 7738962A FR 2374931 B1 FR2374931 B1 FR 2374931B1
Authority
FR
France
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
FR7738962A
Other languages
French (fr)
Other versions
FR2374931A1 (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.)
ExxonMobil Technology and Engineering Co
Original Assignee
Exxon Research and Engineering 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 Exxon Research and Engineering Co filed Critical Exxon Research and Engineering Co
Publication of FR2374931A1 publication Critical patent/FR2374931A1/fr
Application granted granted Critical
Publication of FR2374931B1 publication Critical patent/FR2374931B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/38—Liquid-membrane separation
    • B01D61/40—Liquid-membrane separation using emulsion-type membranes
    • 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
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/007—Recovery of isotopes from radioactive waste, e.g. fission products

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
FR7738962A 1976-12-27 1977-12-23 Membranes liquides et procede permettant de recuperer l'uranium Granted FR2374931A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75441776A 1976-12-27 1976-12-27

Publications (2)

Publication Number Publication Date
FR2374931A1 FR2374931A1 (fr) 1978-07-21
FR2374931B1 true FR2374931B1 (enrdf_load_stackoverflow) 1984-08-31

Family

ID=25034707

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7738962A Granted FR2374931A1 (fr) 1976-12-27 1977-12-23 Membranes liquides et procede permettant de recuperer l'uranium

Country Status (8)

Country Link
JP (1) JPS5382661A (enrdf_load_stackoverflow)
BE (1) BE862084A (enrdf_load_stackoverflow)
CA (1) CA1103227A (enrdf_load_stackoverflow)
DE (1) DE2758546A1 (enrdf_load_stackoverflow)
FR (1) FR2374931A1 (enrdf_load_stackoverflow)
GB (1) GB1596410A (enrdf_load_stackoverflow)
IT (1) IT1090367B (enrdf_load_stackoverflow)
ZA (1) ZA777333B (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0009922B1 (en) * 1978-10-04 1981-10-14 Occidental Research Corporation Extraction process using stabilized emulsions
CA1191696A (en) * 1981-05-11 1985-08-13 Paul L. Valint, Jr. Liquid membrane process for uranium recovery
CA1195508A (en) * 1981-06-15 1985-10-22 Paul L. Valint, Jr. Liquid membrane process for uranium recovery
CA1194320A (en) * 1981-06-15 1985-10-01 Paul L. Valint, Jr. Liquid membrane process for uranium recovery
FR2522276A1 (fr) * 1982-02-26 1983-09-02 Elf Aquitaine Procede d'extraction liquide-liquide de metaux a l'aide d'une microemulsion, a partir d'une solution aqueuse
AT373859B (de) * 1982-06-04 1984-02-27 Chemiefaser Lenzing Ag Verfahren zur gewinnung von zink
FR2531102B1 (fr) * 1982-07-30 1986-08-14 Pechiney Ugine Kuhlmann Uran Procede d'extraction de l'uranium des acides phosphoriques par les acides alkylpyrophosphoriques
US4595415A (en) * 1984-11-23 1986-06-17 Lindsay Finishes, Inc. Drier catalyst for coating compositions

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3779907A (en) * 1970-04-13 1973-12-18 Exxon Research Engineering Co Liquid membrane process for the separation of aqueous mixtures
US3711591A (en) * 1970-07-08 1973-01-16 Atomic Energy Commission Reductive stripping process for the recovery of uranium from wet-process phosphoric acid
CA919849A (en) * 1971-08-25 1973-01-23 P. Cahn Robert Liquid membrane process for the separation of aqueous mixtures
US4002716A (en) * 1973-08-23 1977-01-11 Westinghouse Electric Corporation Sulfide precipitation method of separating uranium from group II and group III metal ions
GB1502157A (en) * 1974-06-24 1978-02-22 Exxon Research Engineering Co Liquid membrane formulations and uses thereof

Also Published As

Publication number Publication date
GB1596410A (en) 1981-08-26
JPS5382661A (en) 1978-07-21
ZA777333B (en) 1979-02-28
CA1103227A (en) 1981-06-16
FR2374931A1 (fr) 1978-07-21
BE862084A (fr) 1978-06-20
DE2758546A1 (de) 1978-06-29
IT1090367B (it) 1985-06-26
JPS613293B2 (enrdf_load_stackoverflow) 1986-01-31

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Legal Events

Date Code Title Description
ST Notification of lapse