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
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
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- 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
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 (en) | 1978-07-21 |
FR2374931B1 true FR2374931B1 (en) | 1984-08-31 |
Family
ID=25034707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7738962A Granted FR2374931A1 (en) | 1976-12-27 | 1977-12-23 | LIQUID MEMBRANES AND METHOD FOR RECOVERING URANIUM |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5382661A (en) |
BE (1) | BE862084A (en) |
CA (1) | CA1103227A (en) |
DE (1) | DE2758546A1 (en) |
FR (1) | FR2374931A1 (en) |
GB (1) | GB1596410A (en) |
IT (1) | IT1090367B (en) |
ZA (1) | ZA777333B (en) |
Families Citing this family (8)
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 (en) * | 1982-02-26 | 1983-09-02 | Elf Aquitaine | LIQUID-LIQUID EXTRACTION PROCESS OF METALS USING A MICROEMULSION FROM AN AQUEOUS SOLUTION |
AT373859B (en) * | 1982-06-04 | 1984-02-27 | Chemiefaser Lenzing Ag | METHOD FOR PRODUCING ZINC |
FR2531102B1 (en) * | 1982-07-30 | 1986-08-14 | Pechiney Ugine Kuhlmann Uran | PROCESS FOR THE EXTRACTION OF URANIUM FROM PHOSPHORIC ACIDS BY ALKYLPYROPHOSPHORIC ACIDS |
US4595415A (en) * | 1984-11-23 | 1986-06-17 | Lindsay Finishes, Inc. | Drier catalyst for coating compositions |
Family Cites Families (5)
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 |
AU461247B2 (en) * | 1971-08-25 | 1975-05-22 | Esso Research And Engineering Company | Liquid membrane process forthe 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 |
-
1977
- 1977-12-07 GB GB50901/77A patent/GB1596410A/en not_active Expired
- 1977-12-08 ZA ZA00777333A patent/ZA777333B/en unknown
- 1977-12-08 CA CA292,682A patent/CA1103227A/en not_active Expired
- 1977-12-19 JP JP15282577A patent/JPS5382661A/en active Granted
- 1977-12-20 BE BE183649A patent/BE862084A/en not_active IP Right Cessation
- 1977-12-23 DE DE19772758546 patent/DE2758546A1/en not_active Ceased
- 1977-12-23 IT IT31194/77A patent/IT1090367B/en active
- 1977-12-23 FR FR7738962A patent/FR2374931A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
IT1090367B (en) | 1985-06-26 |
JPS613293B2 (en) | 1986-01-31 |
BE862084A (en) | 1978-06-20 |
CA1103227A (en) | 1981-06-16 |
DE2758546A1 (en) | 1978-06-29 |
FR2374931A1 (en) | 1978-07-21 |
GB1596410A (en) | 1981-08-26 |
ZA777333B (en) | 1979-02-28 |
JPS5382661A (en) | 1978-07-21 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |