IT1178585B - Procedimento di separazione selettiva di uranio, zirconio e/o afnio e/o molibdeno a partire da una soluzione acquosa carbonata che li contiene - Google Patents
Procedimento di separazione selettiva di uranio, zirconio e/o afnio e/o molibdeno a partire da una soluzione acquosa carbonata che li contieneInfo
- Publication number
- IT1178585B IT1178585B IT23220/84A IT2322084A IT1178585B IT 1178585 B IT1178585 B IT 1178585B IT 23220/84 A IT23220/84 A IT 23220/84A IT 2322084 A IT2322084 A IT 2322084A IT 1178585 B IT1178585 B IT 1178585B
- Authority
- IT
- Italy
- Prior art keywords
- uranium
- hafnium
- zirconium
- solution containing
- water solution
- 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
- 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
- C22B60/0278—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries by chemical methods
Landscapes
- Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8317110A FR2553750A1 (fr) | 1983-10-20 | 1983-10-20 | Procede de separation selective d'uranium, zirconium et/ou hafnium et/ou molybdene a partir d'une solution aqueuse carbonatee les contenant |
Publications (3)
Publication Number | Publication Date |
---|---|
IT8423220A0 IT8423220A0 (it) | 1984-10-18 |
IT8423220A1 IT8423220A1 (it) | 1986-04-18 |
IT1178585B true IT1178585B (it) | 1987-09-09 |
Family
ID=9293563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23220/84A IT1178585B (it) | 1983-10-20 | 1984-10-18 | Procedimento di separazione selettiva di uranio, zirconio e/o afnio e/o molibdeno a partire da una soluzione acquosa carbonata che li contiene |
Country Status (8)
Country | Link |
---|---|
US (1) | US4675166A (it) |
AU (1) | AU569120B2 (it) |
BR (1) | BR8405315A (it) |
CA (1) | CA1242890A (it) |
FR (1) | FR2553750A1 (it) |
IT (1) | IT1178585B (it) |
OA (1) | OA07842A (it) |
ZA (1) | ZA848195B (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2568563B1 (fr) * | 1984-08-02 | 1990-01-12 | Cogema | Procede d'obtention d'un concentre uranifere de grande purete a partir de liqueurs contaminees par du zirconium |
FR2633606B1 (fr) * | 1988-07-01 | 1992-06-26 | Pechiney Uranium | Procede de separation par precipitation du zirconium contenu dans des solutions carbonatees uraniferes |
US6471922B1 (en) * | 1999-03-01 | 2002-10-29 | The Regents Of The University Of California | Actinide removal from spent salts |
US8088749B2 (en) * | 2007-12-12 | 2012-01-03 | The Regents Of The University Of Michigan | Compositions and methods for treating cancer |
KR100961832B1 (ko) * | 2008-04-25 | 2010-06-08 | 한국원자력연구원 | 고 알카리 탄산염 용액 계를 사용하는 사용후핵연료의우라늄 분리회수방법과 그 장치 |
FR3075778B1 (fr) | 2017-12-22 | 2020-12-25 | Areva Mines | Procede de separation de l'hydroxyde de zirconium colloidal contenu dans une solution aqueuse acide |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3034856A (en) * | 1959-12-31 | 1962-05-15 | Phillips Petroleum Co | Purification of sodium diuranate |
US3288570A (en) * | 1963-08-16 | 1966-11-29 | Susquehanna Western Inc | Process for the selective recovery of uranium, zirconium and molybdenum |
US3228570A (en) * | 1964-05-27 | 1966-01-11 | Valve Corp Of America | Dispensing pump valve structure |
US4155982A (en) * | 1974-10-09 | 1979-05-22 | Wyoming Mineral Corporation | In situ carbonate leaching and recovery of uranium from ore deposits |
US4304757A (en) * | 1977-08-04 | 1981-12-08 | Mobil Oil Corporation | Method of controlling the molybdenum content of uranium yellowcake |
FR2491451A1 (fr) * | 1980-10-03 | 1982-04-09 | Cogema | Procede de recuperation separee du molybdene et du vanadium |
WO1982003620A1 (en) * | 1981-04-15 | 1982-10-28 | Maurel Pierre | Method for extracting arsenic from solutions containing alcaline carbonates,sulphate,optionally hydroxide,as well as at least one of vanadium,uranium and molybdenum metals |
US4393028A (en) * | 1981-06-12 | 1983-07-12 | Wyoming Mineral Corporation | Method of removing uranium from a slurry containing molybdenum |
US4423010A (en) * | 1981-07-29 | 1983-12-27 | Aluminium Pechiney | Process for the selective removal of arsenic in the course of the oxidizing attack by means of a carbonated liquor on a uraniferous ore containing same |
US4432947A (en) * | 1981-07-31 | 1984-02-21 | Uranium Pechiney Ugine Kuhlmann | Process for obtaining molybdenum as a useful product from molybdeniferous solutions containing alkali metal carbonate, sulphate, hydroxide or hydrogen carbonate and possibly uranium |
FR2533907B1 (fr) * | 1982-10-04 | 1985-06-28 | Pechiney Ugine Kuhlmann Uran | Procede de purification de solutions aqueuses uraniferes contenant du zirconium et/ou du hafnium entre autres impuretes |
FR2535304B1 (fr) * | 1982-10-27 | 1985-06-21 | Cogema | Procede de purification de solutions alcalines uraniferes, contaminees par du zirconium |
-
1983
- 1983-10-20 FR FR8317110A patent/FR2553750A1/fr not_active Withdrawn
-
1984
- 1984-10-15 US US06/660,893 patent/US4675166A/en not_active Expired - Lifetime
- 1984-10-18 IT IT23220/84A patent/IT1178585B/it active
- 1984-10-19 BR BR8405315A patent/BR8405315A/pt unknown
- 1984-10-19 CA CA000465909A patent/CA1242890A/fr not_active Expired
- 1984-10-19 ZA ZA848195A patent/ZA848195B/xx unknown
- 1984-10-19 AU AU34496/84A patent/AU569120B2/en not_active Ceased
- 1984-10-19 OA OA58419A patent/OA07842A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
IT8423220A1 (it) | 1986-04-18 |
AU3449684A (en) | 1985-04-26 |
AU569120B2 (en) | 1988-01-21 |
US4675166A (en) | 1987-06-23 |
ZA848195B (en) | 1985-06-26 |
IT8423220A0 (it) | 1984-10-18 |
BR8405315A (pt) | 1985-09-03 |
CA1242890A (fr) | 1988-10-11 |
FR2553750A1 (fr) | 1985-04-26 |
OA07842A (fr) | 1986-11-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3679854D1 (de) | Plasmaaetzreaktor. | |
FI844011A0 (fi) | Zirkoniumoxidkulor foer pennor. | |
DK520283A (da) | Vandig, oral oploesning | |
NO162062C (no) | Offshore prosessfartoey, samt fremgangsmaate for drift av et offshore prosessfartoey. | |
DE3786943D1 (de) | Gasdurchlaessige elektrode. | |
NO860800L (no) | Haandteringsmaskin for broennroer. | |
FI844789A0 (fi) | Kemiska foereningar. | |
NO156821C (no) | Eksosanlegg for foende fartoey. | |
NO872369D0 (no) | Fremgangsmaate for selektiv fjernelse av hydrogensulfid. | |
FI844212L (fi) | Kemiska foereningar. | |
FI841009A (fi) | Kemisk process. | |
IT1178585B (it) | Procedimento di separazione selettiva di uranio, zirconio e/o afnio e/o molibdeno a partire da una soluzione acquosa carbonata che li contiene | |
DE3676715D1 (de) | Photolackentfern-verfahren. | |
FI841124A (fi) | Foerfarande foer rening av tylosin. | |
FI850875L (fi) | Rigg, saerskilt foer ett segelbraede. | |
NO870353D0 (no) | Fremgangsmaate for fjerning av hydrogensulfid. | |
NO159790C (no) | Meta- og para-isopropenyl-alfa,alfa-dimetylbenzylamin. | |
NO870351D0 (no) | Fremgangsmaate for fjerning av hydrogensulfid. | |
FI830802L (fi) | Fluoreserande kollektor och dess tillaempning i foenster, fasader och andra byggnadselement. | |
FI852279L (fi) | Filter, foeretraedesvis kassettfilter. | |
ES281262Y (es) | Una maquina de afeitar. | |
FI840543A (fi) | Kemisk process och vid denna anvaendbara mellanprodukter. | |
FI823499A0 (fi) | Svaengningsanordning, som rundar utan hinder, foer lastningsorganet i en hydraulisk lastare | |
IT1196077B (it) | Complesso di governo per una imbarcazione a vela | |
ES524488A0 (es) | Perfeccionamientos introducidos en sistemas de corte de una cinta de vidrio en desplazamiento. |