B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
183/24
B01D 53/04 (2006.01) B01D 53/22 (2006.01) C01B 21/04 (2006.01)
Patent
CA 2016565
- 26 - IMPROVED PRODUCTION OF DRY, HIGH PURITY NITROGEN Abstract of the Disclosure Wet feed air to, or high purity nitrogen from, a pressure swing adsorption system is dried in a dryer membrane system preferably operated with a countercurrent flow path. Drying is enhanced by the use of a purge gas on the permeate side of the membrane, with waste gas from the pressure swing adsorption system or a portion of the dry, high purity nitrogen product gas being used as purge gas.
Haas Oscar W.
Prasad Ravi
Smolarek James
Praxair Technology Inc.
Sim & Mcburney
Union Carbide Industrial Gases Technology Corp.
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