05084075 is referenced by 31 patents and cites 23 patents.

A method is described for recovering nitrogen from air in a three bed vacuum swing adsorption technique in which the beds are not rinsed with nitrogen gas before recovering a nitrogen recycle stream and a nitrogen product.

Title
Vacuum swing adsorption process for production of 95+% N.sub.2 from ambient air
Application Number
7/507700
Publication Number
5084075
Application Date
April 10, 1990
Publication Date
January 28, 1992
Inventor
Shivaji Sircar
Wescosville
PA, US
Agent
William F Marsh
James C Simmons
Geoffrey L Chase
Assignee
Air Products and Chemicals
PA, US
IPC
B01D 53/04
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