FR2419908A2 - Procede de recuperation de composes d'uranium a partir d'eaux residuaires de la conversion d'uranylcarbonate d'ammonium - Google Patents
Procede de recuperation de composes d'uranium a partir d'eaux residuaires de la conversion d'uranylcarbonate d'ammoniumInfo
- Publication number
- FR2419908A2 FR2419908A2 FR7905297A FR7905297A FR2419908A2 FR 2419908 A2 FR2419908 A2 FR 2419908A2 FR 7905297 A FR7905297 A FR 7905297A FR 7905297 A FR7905297 A FR 7905297A FR 2419908 A2 FR2419908 A2 FR 2419908A2
- Authority
- FR
- France
- Prior art keywords
- cpds
- solns
- degrees
- soln
- obtd
- 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.)
- Pending
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 title abstract 2
- 229910052770 Uranium Inorganic materials 0.000 title abstract 2
- 238000006243 chemical reaction Methods 0.000 title abstract 2
- 238000011084 recovery Methods 0.000 title abstract 2
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 title abstract 2
- DSERHVOICOPXEJ-UHFFFAOYSA-L uranyl carbonate Chemical compound [U+2].[O-]C([O-])=O DSERHVOICOPXEJ-UHFFFAOYSA-L 0.000 title abstract 2
- 239000003758 nuclear fuel Substances 0.000 title 1
- 239000002699 waste material Substances 0.000 title 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract 1
- 238000005202 decontamination Methods 0.000 abstract 1
- 230000003588 decontaminative effect Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 150000002823 nitrates Chemical class 0.000 abstract 1
- 229910017604 nitric acid Inorganic materials 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G43/00—Compounds of uranium
- C01G43/01—Oxides; Hydroxides
- C01G43/025—Uranium dioxide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G43/00—Compounds of uranium
- C01G43/01—Oxides; Hydroxides
-
- 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)
- Organic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Removal Of Specific Substances (AREA)
Abstract
S'agissant d'une solution de départ renfermant du nitrate d'ammonium et éventuellement aussi NO3 , on la fait s'écouler, aussitôt après la séparation de CO2 , NH3 et H2 O selon la revendication 1 du brevet principal, dans un réservoir de précipitation 3 avec des germes cristallins, on l'y maintient à 50-55 degrés C et la précipite à l'aide de HNO3 et H2 O en réglant le pH à 5,6-5,9, puis on convertit le produit de précipitation en U3 O8 dans un four à 800 degrés C. L'invention intéresse notamment le retraitement d'éléments combustibles irradiés.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2811559 | 1978-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2419908A2 true FR2419908A2 (fr) | 1979-10-12 |
Family
ID=6034652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7905297A Pending FR2419908A2 (fr) | 1978-03-16 | 1979-02-28 | Procede de recuperation de composes d'uranium a partir d'eaux residuaires de la conversion d'uranylcarbonate d'ammonium |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS54128495A (fr) |
| BE (1) | BE874886R (fr) |
| ES (1) | ES8104971A2 (fr) |
| FR (1) | FR2419908A2 (fr) |
| IT (1) | IT1163654B (fr) |
| SE (1) | SE7902141L (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3119943B2 (ja) * | 1992-07-01 | 2000-12-25 | プレストーン、プロダクツ、コーポレーション | 循環不凍液／冷却剤の再腐食防止方法および再腐食防止剤 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1335272A (fr) * | 1962-09-06 | 1963-08-16 | Nukem Gmbh | Procédé pour la fabrication de poudre de dioxyde d'uranium ainsi que les produits conformes ou similaires à ceux obtenus par ce procédé |
| FR2032586A5 (fr) * | 1969-04-23 | 1970-11-27 | Nukem Gmbh | |
| FR2115140A2 (en) * | 1970-11-25 | 1972-07-07 | Nukem Gmbh | Recovery of uranium cpds - ammonia carbon dioxide water and calcium fluoride from waste liquor/gas |
| FR2205482A1 (fr) * | 1972-11-06 | 1974-05-31 | Babcock & Wilcox Co | |
| FR2352750A1 (fr) * | 1976-05-28 | 1977-12-23 | Nukem Gmbh | Procede et dispositif pour la fabrication de dioxyde d'uranium pulverulent fluide, directement compressible, ayant des proprietes au frittage fortement variable |
-
1979
- 1979-02-28 FR FR7905297A patent/FR2419908A2/fr active Pending
- 1979-03-09 IT IT20857/79A patent/IT1163654B/it active
- 1979-03-09 SE SE7902141A patent/SE7902141L/xx unknown
- 1979-03-12 JP JP2858579A patent/JPS54128495A/ja active Pending
- 1979-03-14 ES ES478617A patent/ES8104971A2/es not_active Expired
- 1979-03-16 BE BE0/194051A patent/BE874886R/fr active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1335272A (fr) * | 1962-09-06 | 1963-08-16 | Nukem Gmbh | Procédé pour la fabrication de poudre de dioxyde d'uranium ainsi que les produits conformes ou similaires à ceux obtenus par ce procédé |
| FR2032586A5 (fr) * | 1969-04-23 | 1970-11-27 | Nukem Gmbh | |
| FR2115140A2 (en) * | 1970-11-25 | 1972-07-07 | Nukem Gmbh | Recovery of uranium cpds - ammonia carbon dioxide water and calcium fluoride from waste liquor/gas |
| FR2205482A1 (fr) * | 1972-11-06 | 1974-05-31 | Babcock & Wilcox Co | |
| FR2352750A1 (fr) * | 1976-05-28 | 1977-12-23 | Nukem Gmbh | Procede et dispositif pour la fabrication de dioxyde d'uranium pulverulent fluide, directement compressible, ayant des proprietes au frittage fortement variable |
Also Published As
| Publication number | Publication date |
|---|---|
| ES478617A0 (es) | 1981-04-16 |
| JPS54128495A (en) | 1979-10-05 |
| IT7920857A0 (it) | 1979-03-09 |
| BE874886R (fr) | 1979-07-16 |
| SE7902141L (sv) | 1979-09-17 |
| IT1163654B (it) | 1987-04-08 |
| ES8104971A2 (es) | 1981-04-16 |
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