Nitrogen adsorption process

Details Nitrogen adsorption process Nitrogen adsorption process

B - Operations, Transporting

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183/32

B01D 53/02 (2006.01) B01D 53/04 (2006.01) B01J 20/18 (2006.01) B01J 29/08 (2006.01)

Patent

CA 1297046

ABSTRACT The invention relates to a process for adsorption of nitrogen from nitrogen-containing gases using faujasite-containing compositions in which the original hydrogen or monovalent forms are ion exchanged to their polyvalent form and then dehydrated in such a manner as to result in a preponderence of its polyvalent ions in a dehydrated/dehydroxylated state while maintaining substantially the same zeolite content. The resulting compositions. whose cations contained in the faujasitic portion are substantially in their dehydrated/dehydroxylated state, have been found to have surprisingly high selectivities and capacities for the separation of air into nitrogen and oxygen.

481863

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