SEPARATION OF PROTACTINIUM FROM CONTAMINANTS
Patent
·
OSTI ID:4236060
The separation of protactinium by volatilization method is described. According to the invention, neutron irradiated finely divided thorium is reacted with aluminum trichloride or a mixture of aluminum trichloride and chlorine gas at a temperature of preferably between about 200 and 400 deg C. Following the chlorinating step the protactinium chloride along with aluminum chloride is selectively distilled from the mixture at a temperature of approximately 100 deg C. The protactinium chloride may be recovered from the mixture by treatment with sodium hydroxide, which converts the aluminum chloride to a soluble salt and forms insoluble protactinium hydroxide.
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-14-002482
- Assignee:
- U.S. Atomic Energy Commission
- Patent Number(s):
- US 2893825
- OSTI ID:
- 4236060
- Resource Relation:
- Other Information: Orig. Receipt Date: 31-DEC-60
- Country of Publication:
- United States
- Language:
- English
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