ES8404290A1 - Un procedimiento de aprovechamiento del uranio y las tierras raras contenidos en el tetrafluoruro de uranio impuro procedente de la recuperacion de uranio de acido fosforico - Google Patents
Un procedimiento de aprovechamiento del uranio y las tierras raras contenidos en el tetrafluoruro de uranio impuro procedente de la recuperacion de uranio de acido fosforicoInfo
- Publication number
- ES8404290A1 ES8404290A1 ES524876A ES524876A ES8404290A1 ES 8404290 A1 ES8404290 A1 ES 8404290A1 ES 524876 A ES524876 A ES 524876A ES 524876 A ES524876 A ES 524876A ES 8404290 A1 ES8404290 A1 ES 8404290A1
- Authority
- ES
- Spain
- Prior art keywords
- uranium
- uranyl nitrate
- impure
- resulting
- aluminum compound
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
- C01B15/04—Metal peroxides or peroxyhydrates thereof; Metal superoxides; Metal ozonides; Peroxyhydrates thereof
- C01B15/047—Metal peroxides or peroxyhydrates thereof; Metal superoxides; Metal ozonides; Peroxyhydrates thereof of heavy metals
- C01B15/0475—Metal peroxides or peroxyhydrates thereof; Metal superoxides; Metal ozonides; Peroxyhydrates thereof of heavy metals of actinides
-
- 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
- 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
- C22B60/0221—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes by leaching
- C22B60/0226—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes by leaching using acidic solutions or liquors
- C22B60/0239—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes by leaching using acidic solutions or liquors nitric acid containing ion as active agent
-
- 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)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
PROCEDIMIENTO PARA EL APROVECHAMIENTO DEL URANIO Y DE LAS TIERRAS RARAS CONTENIDOS EN EL TETRAFLUORURO DE URANIO IMPURO, PROCEDENTE DE LA RECUPERACION DE URANIO DE ACIDO FOSFORICO.COMPRENDE LAS SIGUIENTES ETAPAS: PRIMERA, SE INTRODUCEN CANTIDADES INSUFICIENTES DE ACIDO NITRICO Y DEL COMPUESTO DE ALUMINIO EN LA SUSPENSION PREPARADA DE TETRAFLUORURO DE URANIO IMPURO, MANTENIENDO EN AGITACION DICHA SUSPENSION DURANTE UN TIEMPO DE AL MENOS 0,5 HORAS; SEGUNDA, SE INTRODUCEN LAS CANTIDADES DE ACIDO NITRICO Y DEL COMPUESTO DE ALUMINIO, AL MENOS SUFICIENTES, ENLA SUSPENSION DE TETRAFLUORURO DE URANIO IMPURO, PARA PONER EN DISOLUCION EL URANIO NO DISUELTO EN LA PRIMERA ETAPA, AL MISMO TIEMPO QUE SE MANTIENE LA CITADA SUSPENSION EN AGITACION; Y POR ULTIMO, SE EXTRAE EL NITRATO DE URANILO OBTENIDO, PONIENDO EN CONTACTO LA SUSPENSION CON EL DISOLVENTE DE EXTRACCION QUE CONTIENE EL ESTER FOSFORICO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8214353A FR2531697B1 (fr) | 1982-08-12 | 1982-08-12 | Procede de valorisation de l'uranium et des terres rares contenus dans de l'uf4 impur provenant de l'extraction de l'uranium de l'acide phosphorique |
Publications (2)
Publication Number | Publication Date |
---|---|
ES524876A0 ES524876A0 (es) | 1984-05-01 |
ES8404290A1 true ES8404290A1 (es) | 1984-05-01 |
Family
ID=9276952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES524876A Expired ES8404290A1 (es) | 1982-08-12 | 1983-08-11 | Un procedimiento de aprovechamiento del uranio y las tierras raras contenidos en el tetrafluoruro de uranio impuro procedente de la recuperacion de uranio de acido fosforico |
Country Status (16)
Country | Link |
---|---|
US (1) | US4585626A (es) |
EP (1) | EP0101394B1 (es) |
KR (1) | KR840006176A (es) |
BR (1) | BR8304267A (es) |
CA (1) | CA1212516A (es) |
ES (1) | ES8404290A1 (es) |
FI (1) | FI832892A (es) |
FR (1) | FR2531697B1 (es) |
GR (1) | GR78640B (es) |
IL (1) | IL69458A (es) |
JO (1) | JO1262B1 (es) |
MA (1) | MA19867A1 (es) |
OA (1) | OA07519A (es) |
PH (1) | PH18726A (es) |
PT (1) | PT77183B (es) |
YU (1) | YU167483A (es) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108165747A (zh) * | 2017-12-22 | 2018-06-15 | 中核四0四有限公司 | 一种用于氟化反应灰渣中铀回收的萃取纯化方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3925536A (en) * | 1947-06-19 | 1975-12-09 | Us Energy | Method of recovering uranium hexafluoride |
US2866680A (en) * | 1955-03-02 | 1958-12-30 | Ray S Long | Alkyl pyrophosphate metal solvent extractants and process |
FR1293966A (fr) * | 1961-07-03 | 1962-05-18 | Nukem Gmbh | Procédé d'extraction d'uranium de ses solutions aqueuses contenant des ions fluorure pour les mettre dans les solvants organiques |
US3037840A (en) * | 1962-01-09 | 1962-06-05 | Jr John F Gregory | Method for preparation of spherical uo |
US3219408A (en) * | 1963-06-14 | 1965-11-23 | Mildred J Bradley | Chemical disintegration and recovery of uranium from sintered graphite-uranium compacts |
FR1365722A (fr) * | 1963-07-30 | 1964-07-03 | Atomic Energy Authority Uk | Procédé de récupération de l'uranium |
FR2082514A5 (en) * | 1970-03-18 | 1971-12-10 | Pechiney | Concentration of phosphate minerals - by nitricc acid extraction |
US4258012A (en) * | 1978-06-27 | 1981-03-24 | Gardinier, Inc. | Method of purifying uranium tetrafluoride hydrate and preparing uranium (VI) peroxide hydrate using a fluoride complexing agent |
FR2435444A1 (fr) * | 1978-09-08 | 1980-04-04 | Minemet Rech Sa | Procede pour la recuperation de l'uranium contenu dans des composes phosphates |
JPS5839755A (ja) * | 1981-09-02 | 1983-03-08 | Nishimura Watanabe Chiyuushiyutsu Kenkyusho:Kk | ウランの回収方法 |
US4461747A (en) * | 1982-01-13 | 1984-07-24 | Commissariat A L'energie Atomique | Method for separating actinides from lanthanides in an acidic aqueous solution |
-
1982
- 1982-08-12 FR FR8214353A patent/FR2531697B1/fr not_active Expired
-
1983
- 1983-07-13 PH PH29221A patent/PH18726A/en unknown
- 1983-07-25 US US06/516,965 patent/US4585626A/en not_active Expired - Fee Related
- 1983-08-05 GR GR72142A patent/GR78640B/el unknown
- 1983-08-08 KR KR1019830003701A patent/KR840006176A/ko not_active IP Right Cessation
- 1983-08-09 IL IL69458A patent/IL69458A/xx unknown
- 1983-08-09 BR BR8304267A patent/BR8304267A/pt unknown
- 1983-08-09 YU YU01674/83A patent/YU167483A/xx unknown
- 1983-08-10 MA MA20089A patent/MA19867A1/fr unknown
- 1983-08-10 PT PT77183A patent/PT77183B/pt unknown
- 1983-08-10 EP EP83420137A patent/EP0101394B1/fr not_active Expired
- 1983-08-10 OA OA58086A patent/OA07519A/xx unknown
- 1983-08-11 CA CA000434376A patent/CA1212516A/fr not_active Expired
- 1983-08-11 FI FI832892A patent/FI832892A/fi not_active Application Discontinuation
- 1983-08-11 ES ES524876A patent/ES8404290A1/es not_active Expired
- 1983-08-13 JO JO19831262A patent/JO1262B1/en active
Also Published As
Publication number | Publication date |
---|---|
IL69458A (en) | 1986-07-31 |
ES524876A0 (es) | 1984-05-01 |
CA1212516A (fr) | 1986-10-14 |
FI832892A0 (fi) | 1983-08-11 |
JO1262B1 (en) | 1985-04-20 |
PT77183B (fr) | 1986-02-03 |
PH18726A (en) | 1985-09-11 |
KR840006176A (ko) | 1984-11-22 |
YU167483A (en) | 1985-10-31 |
MA19867A1 (fr) | 1984-04-01 |
FR2531697A1 (fr) | 1984-02-17 |
EP0101394B1 (fr) | 1986-04-16 |
US4585626A (en) | 1986-04-29 |
OA07519A (fr) | 1985-03-31 |
FR2531697B1 (fr) | 1985-06-28 |
PT77183A (fr) | 1983-09-01 |
EP0101394A1 (fr) | 1984-02-22 |
GR78640B (es) | 1984-09-27 |
IL69458A0 (en) | 1984-01-31 |
BR8304267A (pt) | 1984-03-20 |
FI832892A (fi) | 1984-02-13 |
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