Cryogenic helium production system
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United States of America Patent
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Jul 19, 1994
Grant Date -
N/A
app pub date -
Dec 4, 1992
filing date -
Dec 4, 1992
priority date (Note) -
Expired
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Abstract
A cryogenic helium production system wherein a feed which includes carbon dioxide is processed in a dual temperature system including an upstream higher temperature and higher pressure column or dephlegmator, thus eliminating the need for a separate non-cryogenic carbon dioxide removal step.
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