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U.S. Department of Energy
Office of Scientific and Technical Information

Dual pressure-dual temperature isotope exchange process

Patent ·
OSTI ID:4325873
A liquid and a gas stream, each containing a desired isotope, flow countercurrently through two liquid-gas contacting towers maintained at different temperatures and pressures. The liquid is enriched in the isotope in one tower while the gas is enriched within the other and a portion of at least one of the enriched streams is withdrawn from the system for use or further enrichment. The tower operated at the lower temperature is also maintained at the lower pressure to prevent formation of solid solvates. Gas flow between the towers passes through an expander-compressor apparatas to recover work from the expansion of gas to the lower pressure and thereby compress the gas returning to the tower of higher pressure. (Official Gazette)
Research Organization:
Originating Research Org. not identified
NSA Number:
NSA-29-029625
Assignee:
to United States Atomic Energy Commission
Patent Number(s):
US 3792156
OSTI ID:
4325873
Country of Publication:
United States
Language:
English