FR2542302B1 - Procede ameliore de recuperation par solvant de l'uranium present dans l'acide phosphorique - Google Patents
Procede ameliore de recuperation par solvant de l'uranium present dans l'acide phosphoriqueInfo
- Publication number
- FR2542302B1 FR2542302B1 FR8304099A FR8304099A FR2542302B1 FR 2542302 B1 FR2542302 B1 FR 2542302B1 FR 8304099 A FR8304099 A FR 8304099A FR 8304099 A FR8304099 A FR 8304099A FR 2542302 B1 FR2542302 B1 FR 2542302B1
- Authority
- FR
- France
- Prior art keywords
- uranium
- phosphoric acid
- solvent recovery
- improved solvent
- improved
- 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
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G43/00—Compounds of uranium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/234—Purification; Stabilisation; Concentration
- C01B25/235—Clarification; Stabilisation to prevent post-precipitation of dissolved impurities
-
- 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
-
- 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
- C22B60/0282—Solutions containing P ions, e.g. treatment of solutions resulting from the leaching of phosphate ores or recovery of uranium from wet-process phosphoric acid
Landscapes
- Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8304099A FR2542302B1 (fr) | 1983-03-08 | 1983-03-08 | Procede ameliore de recuperation par solvant de l'uranium present dans l'acide phosphorique |
US06/586,288 US4643882A (en) | 1983-03-08 | 1984-03-05 | Process for recovery by a solvent of the uranium present in phosphoric acid |
BE0/212510A BE899082A (fr) | 1983-03-08 | 1984-03-06 | Procede ameliore de recuperation par solvant de l'uranium present dans l'acide phosphorique |
SE8401230A SE8401230L (sv) | 1983-03-08 | 1984-03-06 | Forfarande for atervinning av uran |
OA58245A OA07672A (fr) | 1983-03-08 | 1984-03-06 | Procédé amélioré de récupération par solvant de l'uranium présent dans l'acide phosphorique. |
FI840895A FI840895A (fi) | 1983-03-08 | 1984-03-06 | Foerfarande foer aotervinning av uran i fosforsyra medelst loesningsmedel. |
NL8400735A NL8400735A (nl) | 1983-03-08 | 1984-03-07 | Werkwijze voor het terugwinnen met behulp van een oplosmiddel van het in fosforzuur aanwezige uraan. |
KR1019840001143A KR840008143A (ko) | 1983-03-08 | 1984-03-07 | 우라늄 회수공정 |
BR8401053A BR8401053A (pt) | 1983-03-08 | 1984-03-08 | Processo para recuperacao de uranio presente em acido fosforico obtido por via umida |
MA20276A MA20054A1 (fr) | 1983-03-08 | 1984-03-15 | Procede ameliore de recuperation par solvant de l'uranium present dans l'acide phosphorique. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8304099A FR2542302B1 (fr) | 1983-03-08 | 1983-03-08 | Procede ameliore de recuperation par solvant de l'uranium present dans l'acide phosphorique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2542302A1 FR2542302A1 (fr) | 1984-09-14 |
FR2542302B1 true FR2542302B1 (fr) | 1985-10-25 |
Family
ID=9286809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8304099A Expired FR2542302B1 (fr) | 1983-03-08 | 1983-03-08 | Procede ameliore de recuperation par solvant de l'uranium present dans l'acide phosphorique |
Country Status (10)
Country | Link |
---|---|
US (1) | US4643882A (fr) |
KR (1) | KR840008143A (fr) |
BE (1) | BE899082A (fr) |
BR (1) | BR8401053A (fr) |
FI (1) | FI840895A (fr) |
FR (1) | FR2542302B1 (fr) |
MA (1) | MA20054A1 (fr) |
NL (1) | NL8400735A (fr) |
OA (1) | OA07672A (fr) |
SE (1) | SE8401230L (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4759913A (en) * | 1987-04-15 | 1988-07-26 | Freeport Research And Engineering Company | Recovery of liquid phases from three phase emulsions formed in solvent extraction processes |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2866680A (en) * | 1955-03-02 | 1958-12-30 | Ray S Long | Alkyl pyrophosphate metal solvent extractants and process |
US4207302A (en) * | 1974-07-18 | 1980-06-10 | Freeport Minerals Company | Method of treating phosphoric acid to prevent crud formation during solvent extraction |
JPS5144419A (ja) * | 1974-10-14 | 1976-04-16 | Matsushita Electric Ind Co Ltd | Itomakihizumihoseisochi |
US4190633A (en) * | 1977-04-08 | 1980-02-26 | Freeport Minerals Company | Crud handling circuit |
US4243637A (en) * | 1977-10-11 | 1981-01-06 | Occidental Petroleum Company | Uranium recovery from pre-treated phosphoric acid |
US4233278A (en) * | 1978-03-24 | 1980-11-11 | Davy Powergas Inc. | Process for purifying crude phosphoric acid |
US4250155A (en) * | 1978-06-09 | 1981-02-10 | Gardinier, Inc. | Method of purifying phosphoric acid after solvent extraction |
LU80676A1 (fr) * | 1978-12-19 | 1980-07-21 | Metallurgie Hoboken | Procede pour enlever des agents salissants de l'acide phosphorique |
US4311677A (en) * | 1979-12-03 | 1982-01-19 | Swiss Aluminium Ltd. | Process for producing phosphoric acid |
US4311675A (en) * | 1980-01-23 | 1982-01-19 | Westinghouse Electric Corp. | Maintaining reductive strip efficiency in uranium recovery processes |
NL8000832A (nl) * | 1980-02-11 | 1981-09-01 | Stamicarbon | Werkwijze voor het winnen van uranium uit natproces fosforzuur. |
IT1151105B (it) * | 1981-02-23 | 1986-12-17 | Central Glass Co Ltd | Procedimento per recuperare uranio da acido fosforico con procrsso per via umida |
US4490336A (en) * | 1981-05-27 | 1984-12-25 | Prodeco, Inc. | Process for stripping uranium from an alkyl pyrophosphoric acid |
-
1983
- 1983-03-08 FR FR8304099A patent/FR2542302B1/fr not_active Expired
-
1984
- 1984-03-05 US US06/586,288 patent/US4643882A/en not_active Expired - Fee Related
- 1984-03-06 BE BE0/212510A patent/BE899082A/fr not_active IP Right Cessation
- 1984-03-06 SE SE8401230A patent/SE8401230L/ not_active Application Discontinuation
- 1984-03-06 OA OA58245A patent/OA07672A/fr unknown
- 1984-03-06 FI FI840895A patent/FI840895A/fi not_active Application Discontinuation
- 1984-03-07 NL NL8400735A patent/NL8400735A/nl not_active Application Discontinuation
- 1984-03-07 KR KR1019840001143A patent/KR840008143A/ko not_active IP Right Cessation
- 1984-03-08 BR BR8401053A patent/BR8401053A/pt unknown
- 1984-03-15 MA MA20276A patent/MA20054A1/fr unknown
Also Published As
Publication number | Publication date |
---|---|
KR840008143A (ko) | 1984-12-13 |
OA07672A (fr) | 1985-05-23 |
BE899082A (fr) | 1984-09-06 |
US4643882A (en) | 1987-02-17 |
NL8400735A (nl) | 1984-10-01 |
SE8401230L (sv) | 1984-09-09 |
SE8401230D0 (sv) | 1984-03-06 |
MA20054A1 (fr) | 1984-10-01 |
FI840895A (fi) | 1984-09-09 |
FR2542302A1 (fr) | 1984-09-14 |
FI840895A0 (fi) | 1984-03-06 |
BR8401053A (pt) | 1984-10-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |