ES8206387A1 - Procedimiento para la recuperacion del uranio (vi) presente en una solucion de acido fosforico. - Google Patents
Procedimiento para la recuperacion del uranio (vi) presente en una solucion de acido fosforico.Info
- Publication number
- ES8206387A1 ES8206387A1 ES507131A ES507131A ES8206387A1 ES 8206387 A1 ES8206387 A1 ES 8206387A1 ES 507131 A ES507131 A ES 507131A ES 507131 A ES507131 A ES 507131A ES 8206387 A1 ES8206387 A1 ES 8206387A1
- Authority
- ES
- Spain
- Prior art keywords
- organic solvent
- uranium
- stage
- stages
- phosphoric
- 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
- 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
- Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
PROCEDIMIENTO PARA LA EXTRACCION DEL URANIO (VI), QUE TIENE APLICACION A LA RECUPERACION DE URANIO DE UNA DISOLUCION DE ACIDO FOSFORICO. CONSISTE EN LA EXTRACCION DE LA DISOLUCION DE ACIDO FOSFORICO CON UN DISOLVENTE ORGANICO CONSTITUIDO POR UN OXIDO NEUTRO DE FOSFINA DE FORMULA (I), EN LA QUE R1, R2 Y R3 SON ALQUILO, ARILO O ALCOXIALQUILO, Y POR UN COMPUESTO ORGANOFOSFORADO ACIDO DE FORMULA (UU), EN LA QUE R4 Y R5 SON ALOXIALQUILO O ARILOXIALQUILO; SEGUIDA DE UNA REEXTRACCION DEL URANIO EXTRAIDO EN ESTE DISOLVENTE, AL MENOS EN DOS ETAPAS A CONTRACORRIENTE CON UNA DISOLUCION ACUOSA DE CARBONATO AMONICO, A LA QUE SE AÑADE AMONIACO PARA MANTENER EL PH ENTRE 8 Y 9,5.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8024253A FR2494258A1 (fr) | 1980-11-14 | 1980-11-14 | Procede de recuperation de l'uranium present dans des solutions d'acide phosphorique |
Publications (2)
Publication Number | Publication Date |
---|---|
ES507131A0 ES507131A0 (es) | 1982-08-16 |
ES8206387A1 true ES8206387A1 (es) | 1982-08-16 |
Family
ID=9247989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES507131A Expired ES8206387A1 (es) | 1980-11-14 | 1981-11-13 | Procedimiento para la recuperacion del uranio (vi) presente en una solucion de acido fosforico. |
Country Status (15)
Country | Link |
---|---|
US (1) | US4432946A (es) |
EP (1) | EP0053054B1 (es) |
JP (1) | JPS57110324A (es) |
AU (1) | AU542919B2 (es) |
BR (1) | BR8107393A (es) |
CA (1) | CA1188106A (es) |
DE (1) | DE3168526D1 (es) |
EG (1) | EG15457A (es) |
ES (1) | ES8206387A1 (es) |
FR (1) | FR2494258A1 (es) |
JO (1) | JO1166B1 (es) |
MA (1) | MA19328A1 (es) |
OA (1) | OA06944A (es) |
YU (1) | YU42740B (es) |
ZA (1) | ZA817498B (es) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2596383B1 (fr) * | 1986-03-28 | 1990-10-26 | Cogema | Procede de separation du fer a partir d'une solution organique contenant de l'uranium |
US5188736A (en) * | 1991-08-27 | 1993-02-23 | Institute Of Nuclear Energy Research | Process for the separation and recovery of extractant from spent solvent |
US20110226694A1 (en) * | 2010-03-22 | 2011-09-22 | Battelle Energy Alliance, Llc | Methods of reducing radiotoxicity in aqueous acidic solutions and a reaction system for same |
FR3038326A1 (fr) | 2015-06-30 | 2017-01-06 | Areva Mines | Procede de separation du fer d'une phase organique contenant de l'uranium et procede d'extraction de l'uranium d'une solution aqueuse d'acide mineral contenant de l'uranium et du fer |
FR3069539B1 (fr) | 2017-07-31 | 2019-08-30 | Areva Mines | Composes bifonctionnels a fonction thiophosphine, utiles comme extractants de l'uranium(vi), leurs procedes de synthese et leurs utilisations |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2860031A (en) * | 1956-06-29 | 1958-11-11 | Robert R Grinstead | Process for utilizing organic orthophosphate extractants |
FR1303476A (fr) * | 1960-06-03 | 1962-09-14 | Atomic Energy Commission | Procédé d'extraction liquide-liquide pour la récupération de l'uranium |
IL52756A0 (en) * | 1976-09-10 | 1977-10-31 | Westinghouse Electric Corp | Recovery of uranium from wet process phosphoric acid |
FR2423545A1 (fr) * | 1977-08-25 | 1979-11-16 | Minemet Rech Sa | Procede pour la recuperation de l'uranium contenu dans des solutions phosphatees |
US4243637A (en) * | 1977-10-11 | 1981-01-06 | Occidental Petroleum Company | Uranium recovery from pre-treated phosphoric acid |
IL58726A (en) * | 1978-11-28 | 1982-12-31 | Commissariat Energie Atomique | Recovery of uranium from phosphoric acid solutions |
FR2442796A1 (fr) * | 1978-11-28 | 1980-06-27 | Commissariat Energie Atomique | Procede de recuperation de l'uranium present dans les solutions d'acide phosphorique |
-
1980
- 1980-11-14 FR FR8024253A patent/FR2494258A1/fr active Granted
-
1981
- 1981-10-23 EP EP81401686A patent/EP0053054B1/fr not_active Expired
- 1981-10-23 DE DE8181401686T patent/DE3168526D1/de not_active Expired
- 1981-10-27 AU AU76847/81A patent/AU542919B2/en not_active Ceased
- 1981-10-29 ZA ZA817498A patent/ZA817498B/xx unknown
- 1981-10-30 US US06/316,941 patent/US4432946A/en not_active Expired - Fee Related
- 1981-11-05 YU YU2627/81A patent/YU42740B/xx unknown
- 1981-11-11 EG EG659/81A patent/EG15457A/xx active
- 1981-11-11 MA MA19532A patent/MA19328A1/fr unknown
- 1981-11-12 CA CA000389920A patent/CA1188106A/en not_active Expired
- 1981-11-13 BR BR8107393A patent/BR8107393A/pt unknown
- 1981-11-13 ES ES507131A patent/ES8206387A1/es not_active Expired
- 1981-11-13 JP JP56182163A patent/JPS57110324A/ja active Pending
- 1981-11-14 OA OA57540A patent/OA06944A/xx unknown
-
1982
- 1982-02-18 JO JO19821166A patent/JO1166B1/en active
Also Published As
Publication number | Publication date |
---|---|
YU42740B (en) | 1988-12-31 |
CA1188106A (en) | 1985-06-04 |
MA19328A1 (fr) | 1982-07-01 |
YU262781A (en) | 1983-12-31 |
JO1166B1 (en) | 1983-11-30 |
BR8107393A (pt) | 1982-08-10 |
FR2494258A1 (fr) | 1982-05-21 |
AU7684781A (en) | 1982-05-20 |
EG15457A (en) | 1988-10-31 |
EP0053054A1 (fr) | 1982-06-02 |
DE3168526D1 (en) | 1985-03-07 |
ZA817498B (en) | 1982-10-27 |
EP0053054B1 (fr) | 1985-01-23 |
ES507131A0 (es) | 1982-08-16 |
AU542919B2 (en) | 1985-03-21 |
FR2494258B1 (es) | 1984-11-02 |
OA06944A (fr) | 1983-07-31 |
JPS57110324A (en) | 1982-07-09 |
US4432946A (en) | 1984-02-21 |
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