Method for recycling a carrier gas from the trapping system to t

Details Method for recycling a carrier gas from the trapping system to t Method for recycling a carrier gas from the trapping system to t

1978-12-13

1980-10-28

Adee, John

Gas separation

Means within gas stream for conducting concentrate to collector

55 67, B01D 1508

Patent

active

042304644

ABSTRACT:
During the recycling operation, the carrier gas is subjected to a pre-purification prior to the conventional purification, the flow rate and the pressure of the carrier gas being maintained at strictly constant values at the inlet of the chromatographic unit. The method is primarily applicable to low-pressure gas chromatography and permits finer separations as well as higher productivity than atmospheric-pressure chromatography.

REFERENCES:
patent: 3357157 (1967-12-01), O'Donnell
patent: 3455817 (1969-07-01), Morell
patent: 3712028 (1973-01-01), Deans

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