Low temperature preparative gas chromatography apparatus

Details Low temperature preparative gas chromatography apparatus Low temperature preparative gas chromatography apparatus

1987-11-20

1988-10-25

Hart, Charles

Gas separation

With remote fan or pump and unconfined flow to separator

55197, 55208, 55389, B01D 1508, B01D 5304

Patent

active

047801166

ABSTRACT:
A gas chromatography apparatus adapted for large scale separation of gases at low temperature comprises a column packed with a solid adsorbent and having a cooling tube being open at both ends extending centrally through its length. The column is suspended in a pressure vessel so that it may be totally immersed in a liquified gas coolant. The pressure vessel has heating means to maintain the coolant at its boiling point and thereby to regulate the temperature within the vessel by varying the pressure therein. The apparatus has particular application to the large scale separation of hydrogen isotopes.

REFERENCES:
patent: 3432995 (1969-03-01), Saeger et al.
patent: 3533220 (1970-10-01), Espagno
patent: 3734293 (1973-05-01), Biskis
patent: 4010100 (1977-03-01), Suslick
patent: 4123236 (1978-10-01), Hirschfeld
patent: 4154583 (1979-05-01), Farre et al.
patent: 4469496 (1984-09-01), Frischmuth
patent: 4515528 (1985-05-01), Young

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