RO85712B - Procedeu de extractie a uraniului din solutii fosforice acide - Google Patents
Procedeu de extractie a uraniului din solutii fosforice acideInfo
- Publication number
- RO85712B RO85712B RO107676A RO10767682A RO85712B RO 85712 B RO85712 B RO 85712B RO 107676 A RO107676 A RO 107676A RO 10767682 A RO10767682 A RO 10767682A RO 85712 B RO85712 B RO 85712B
- Authority
- RO
- Romania
- Prior art keywords
- solution
- uranium
- organic phase
- acid
- followed
- Prior art date
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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Geology (AREA)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Medicines Containing Plant Substances (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Procedeul de extractie a uraniului din solutii fosforice acide cu continut de 20...55% P2O5 si 100....200 mg/l U total, rezultate prin atacul acid al rocilor fosfatice nealcaline, conform inventiei, prevede agenti reducatori uzuali pentru reducerea uraniului, cît si a fosforului existent în solutie la valente inferioare, urmata de aducerea în contact a solutiei acide, în trepte, mentinîndu-se raporturi faza apoasa: faza organica cuprinse între 1 : 1 si 10 : 1, cu o solutie de acid alchil pirofosforic si, de preferinta, izodecilpirofosforic, 10...100 g/l, într-un solvent nemiscibil cu apa si, de preferinta, în lerosen, urmata de striparea uraniului continut în faza organica prin contact în trepte cu o solutie de oxalat alcalin si, de preferinta, oxalat de amoniu, la un raport faza apoasa: faza organica.................
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US26747381A | 1981-05-27 | 1981-05-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO85712A RO85712A (ro) | 1984-11-25 |
| RO85712B true RO85712B (ro) | 1984-11-30 |
Family
ID=23018927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO107676A RO85712B (ro) | 1981-05-27 | 1982-05-26 | Procedeu de extractie a uraniului din solutii fosforice acide |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US4490336A (ro) |
| EP (1) | EP0065844B1 (ro) |
| JP (1) | JPS57200226A (ro) |
| KR (1) | KR830010212A (ro) |
| AU (1) | AU546326B2 (ro) |
| BR (1) | BR8200990A (ro) |
| CA (1) | CA1193444A (ro) |
| DE (1) | DE3267661D1 (ro) |
| ES (1) | ES8500337A1 (ro) |
| FI (1) | FI821706A0 (ro) |
| IL (1) | IL65592A0 (ro) |
| MA (1) | MA19287A1 (ro) |
| NO (1) | NO821745L (ro) |
| OA (1) | OA07112A (ro) |
| PL (1) | PL236603A1 (ro) |
| PT (1) | PT74954B (ro) |
| RO (1) | RO85712B (ro) |
| YU (1) | YU107982A (ro) |
| ZA (1) | ZA822830B (ro) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3243841C2 (de) * | 1982-11-26 | 1986-02-06 | Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe | Verfahren zur Denitrierung von salpetersauren, Aktiniden enthaltenden Abfall-Lösungen unter gleichzeitiger Abtrennung der Aktiniden |
| FR2542302B1 (fr) * | 1983-03-08 | 1985-10-25 | Pechiney Ugine Kuhlmann Uran | Procede ameliore de recuperation par solvant de l'uranium present dans l'acide phosphorique |
| DE3437686C2 (de) * | 1984-10-15 | 1986-10-02 | Hoechst Ag, 6230 Frankfurt | Verfahren zur Reduktion von Metallionen in wäßrigen Lösungen |
| DE3437685A1 (de) * | 1984-10-15 | 1986-04-17 | Hoechst Ag, 6230 Frankfurt | Verfahren zur herstellung vanadiumarmer alkaliphosphatloesungen |
| DE3437684C1 (de) * | 1984-10-15 | 1986-06-05 | Hoechst Ag, 6230 Frankfurt | Verfahren zur Reduktion von Eisen und Vanadium in phosphorsaurer Lösung |
| JPS61189215A (ja) * | 1985-02-18 | 1986-08-22 | Teijin Ltd | ５−フルオロ−２′−デオキシウリジンエステル類の油状医薬組成物 |
| US4655936A (en) * | 1985-09-19 | 1987-04-07 | Nalco Chemical Company | Microbiological control in uranium processing |
| FR2596383B1 (fr) * | 1986-03-28 | 1990-10-26 | Cogema | Procede de separation du fer a partir d'une solution organique contenant de l'uranium |
| EP0261255B1 (de) * | 1986-09-20 | 1989-03-15 | KGB Kernkraftwerke Gundremmingen Betriebsgesellschaft mbH | Verfahren zum Aufbereiten einer wässrigen Phosphorsäurelösung |
| US5188736A (en) * | 1991-08-27 | 1993-02-23 | Institute Of Nuclear Energy Research | Process for the separation and recovery of extractant from spent solvent |
| US6153164A (en) * | 1999-10-04 | 2000-11-28 | Starmet Corporation | Method for producing uranium oxide from uranium tetrafluoride and a phyllosilicate mineral |
| US7084535B2 (en) * | 2004-07-30 | 2006-08-01 | Motorola, Inc. | Deflection limiter for vibrator motor shaft |
| AU2015339815B2 (en) | 2014-10-30 | 2019-05-02 | Jacobs Engineering Group Inc. | Method for removing iron in the manufacture of phosphoric acid |
| USD1027576S1 (en) * | 2020-03-18 | 2024-05-21 | Capbran Holdings, Llc | Juicer |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2982600A (en) * | 1952-07-08 | 1961-05-02 | Vogler Seymour | Uranium decontamination with respect to zirconium |
| US2866680A (en) * | 1955-03-02 | 1958-12-30 | Ray S Long | Alkyl pyrophosphate metal solvent extractants and process |
| US2882123A (en) * | 1955-04-18 | 1959-04-14 | Ray S Long | Process for the recovery of uranium from phosphatic ore |
| US2947774A (en) * | 1956-04-25 | 1960-08-02 | Charles A Levine | Preparation of alkyl pyrophosphate extractants |
| US2859094A (en) * | 1957-02-07 | 1958-11-04 | John M Schmitt | Uranium extraction process using synergistic reagents |
| DE2652766A1 (de) * | 1976-03-09 | 1977-09-22 | Robert Dr Michel | Verfahren zur herstellung von phosphorsaeure aus phosphatgestein |
| FR2423545A1 (fr) * | 1977-08-25 | 1979-11-16 | Minemet Rech Sa | Procede pour la recuperation de l'uranium contenu dans des solutions phosphatees |
| US4162230A (en) * | 1977-12-28 | 1979-07-24 | The United States Of America As Represented By The United States Department Of Energy | Method for the recovery of actinide elements from nuclear reactor waste |
| FR2435444A1 (fr) * | 1978-09-08 | 1980-04-04 | Minemet Rech Sa | Procede pour la recuperation de l'uranium contenu dans des composes phosphates |
-
1981
- 1981-05-27 US US06/267,473 patent/US4490336A/en not_active Expired - Fee Related
- 1981-09-25 MA MA19488A patent/MA19287A1/fr unknown
-
1982
- 1982-02-25 BR BR8200990A patent/BR8200990A/pt unknown
- 1982-04-23 IL IL65592A patent/IL65592A0/xx unknown
- 1982-04-26 ZA ZA822830A patent/ZA822830B/xx unknown
- 1982-05-03 AU AU83206/82A patent/AU546326B2/en not_active Ceased
- 1982-05-07 CA CA000402556A patent/CA1193444A/en not_active Expired
- 1982-05-11 DE DE8282302393T patent/DE3267661D1/de not_active Expired
- 1982-05-11 EP EP19820302393 patent/EP0065844B1/en not_active Expired
- 1982-05-14 FI FI821706A patent/FI821706A0/fi not_active Application Discontinuation
- 1982-05-20 YU YU107982A patent/YU107982A/xx unknown
- 1982-05-24 JP JP8783282A patent/JPS57200226A/ja active Pending
- 1982-05-25 PT PT7495482A patent/PT74954B/pt unknown
- 1982-05-26 KR KR1019820002322A patent/KR830010212A/ko unknown
- 1982-05-26 RO RO107676A patent/RO85712B/ro unknown
- 1982-05-26 PL PL23660382A patent/PL236603A1/xx unknown
- 1982-05-26 NO NO821745A patent/NO821745L/no unknown
- 1982-05-27 OA OA57701A patent/OA07112A/xx unknown
- 1982-05-27 ES ES512593A patent/ES8500337A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| PT74954A (pt) | 1982-06-01 |
| ZA822830B (en) | 1983-06-29 |
| AU546326B2 (en) | 1985-08-29 |
| ES512593A0 (es) | 1984-10-01 |
| IL65592A0 (en) | 1982-11-30 |
| PL236603A1 (ro) | 1982-12-20 |
| FI821706A0 (fi) | 1982-05-14 |
| US4490336A (en) | 1984-12-25 |
| JPS57200226A (en) | 1982-12-08 |
| AU8320682A (en) | 1982-12-02 |
| RO85712A (ro) | 1984-11-25 |
| YU107982A (en) | 1984-12-31 |
| EP0065844A1 (en) | 1982-12-01 |
| DE3267661D1 (en) | 1986-01-09 |
| MA19287A1 (fr) | 1982-04-01 |
| ES8500337A1 (es) | 1984-10-01 |
| BR8200990A (pt) | 1983-01-04 |
| OA07112A (fr) | 1987-01-31 |
| NO821745L (no) | 1982-11-29 |
| CA1193444A (en) | 1985-09-17 |
| KR830010212A (ko) | 1983-12-26 |
| EP0065844B1 (en) | 1985-11-27 |
| PT74954B (pt) | 1983-12-29 |
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