B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
162/123, 182/2,
B01D 53/22 (2006.01) B01D 53/02 (2006.01) B01D 53/04 (2006.01) C01B 21/04 (2006.01) F25J 3/04 (2006.01)
Patent
CA 1321547
- 25 - MEMBRANE PROCESS AND SYSTEM FOR NITROGEN PRODUCTION Abstract of the Disclosure On-site membrane systems are used for air separation to produce a low purity nitrogen stream and for purifying impure hydrogen, the nitrogen and hydrogen being passed to a catalytic combustion system in which the oxygen content of the nitrogen stream is reacted with said hydrogen to reduce the residual oxygen content of the nitrogen in a final purification operation to produce high purity nitrogen. Pressure swing adsorption systems can be employed in place of the membrane systems for particular applications, and a cryogenic system can be employed for said hydrogen purification. D-15,876
595394
Sim & Mcburney
Union Carbide Corporation
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