Polyvalent ion exchanged adsorbent for air separation

Details Polyvalent ion exchanged adsorbent for air separation Polyvalent ion exchanged adsorbent for air separation

B - Operations, Transporting

01

J

252/15, 183/32

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

Patent

CA 1214450

ABSTRACT The invention relates to faujasite-containing compositions in which the original hydrogen or monovalent forms are ion exchanged to their polyvalent form and then thermally activated to promote dehydration and dehydroxylation of the faujasite while maintaining substantially the same zeolite content. The resulting compositions containing faujasites 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.

440645

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