Process for producing high purity nitrogen

Details Process for producing high purity nitrogen Process for producing high purity nitrogen

1986-09-25

1988-05-24

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

55 68, 55 75, 62 18, B01D 5322

Patent

active

047463325

ABSTRACT:
Nitrogen having purity of 99.9999% or more can be produced continuously by contacting a starting gas mixture comprising 90% by volume or more of nitrogen and 10% by volume or less of oxygen with A-type zeolite package in an adsorption column at an adsorption temperature of -100.degree. to -196.degree. C. to remove oxygen from the starting gas mixture and regenerating A-type zeolite by heating it at a temperature higher than the adsorption temperature.

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patent: 4595405 (1986-06-01), Agrawal et al.

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