B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
183/25
B01D 53/04 (2006.01) B01D 53/047 (2006.01)
Patent
CA 1314821
- 57 - IMPROVED PRESSURE SWING ADSORPTION PROCESS AND SYSTEM FOR GAS SEPARATION ABSTRACT OF THE DISCLOSURE An improved pressure swing adsorption process and system enable a high purity product comprising the more readily adsorbable component of a feed gas mixture to be economically recovered, e.g. nitrogen from air. A processing cycle is employed in which the more readily adsorbable component is used as a copurge gas at upper adsorption pressure, and the less readily adsorbable component is used for countercurrent purge at a subatmospheric desorption pressure and for initial repressurization in a countercurrent backfilling step following said countercurrent purge step. D-15713
587069
Lagree Dale Arnold
Leavitt Frederick Wells
Sim & Mcburney
Union Carbide Corporation
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