Published September 11, 1980
| Version v1
Patent
Open
Process for obtaining uranium
Description
This is concerned with an improvement to the process for obtaining ammonium diuranate from a solution which contains uranyl fluoride and hydrofluoric acid, by the addition of an ammonium hydroxide solution. A great excess of ammonium hydroxide is avoided in the new process, and one obtains all the uranium present. This is achieved by varying the quantities added with exact control of the pH value at the time. The detailed description also discusses the probable conversion rates. (UWI)
Availability note (English)
MF available from INIS under the Report Number; Available from Deutsches Patentamt, Muenchen, Germany, F.R.Abstract (German)
Es handelt sich um eine Verbesserung des Verfahrens zur Gewinnung von Ammoniumdiuranat aus einer Loesung, die Uranylfluorid und Fluorwasserstoff enthaelt, durch Zugabe von Ammoniumhydroxidloesung. Bei dem neuen Verfahren wird grosser Ueberschuss an Ammoniumhydroxid vermieden und man enthaelt eine vollstaendige Rueckgewinnung des Urans. Man erreicht dies durch Variation der zugesetzten Mengen unter genauer Kontrolle des jeweiligen pH-Wertes. In der ausfuehrlichen Beschreibung werden auch die wahrscheinlichen Umsetzungsschnitte diskutiert. (UWI)Files
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Additional details
Additional titles
- Original title (German)
- Verfahren zur Gewinnung von Uran
Publishing Information
- Imprint Pagination
- 6 p.
- IPC:
- Int. Cl. C01G 43/00.
- IPC
- Int. Cl. C01G 43/00.
- Patent number
- DE patent document 2162578/B/
INIS
- Country of Publication
- Germany
- Country of Input or Organization
- Germany
- INIS RN
- 13668059
- Subject category
- S11: NUCLEAR FUEL CYCLE AND FUEL MATERIALS;
- Descriptors DEI
- AMMONIUM URANATES; CHEMICAL PREPARATION; FLUORIDES; HYDROFLUORIC ACID; PH VALUE; PRECIPITATION; URANYL COMPOUNDS
- Descriptors DEC
- ACTINIDE COMPOUNDS; AMMONIUM COMPOUNDS; FLUORINE COMPOUNDS; HALIDES; HALOGEN COMPOUNDS; HYDROGEN COMPOUNDS; INORGANIC ACIDS; SEPARATION PROCESSES; SYNTHESIS; URANATES; URANIUM COMPOUNDS