×

Nitrogen adsorption with highly Li exchanged X-zeolites with low Si/Al ratio

  • US 5,268,023 A
  • Filed: 10/05/1992
  • Issued: 12/07/1993
  • Est. Priority Date: 10/05/1992
  • Status: Expired due to Term
First Claim
Patent Images

1. A process for adsorbing nitrogen from a gas containing nitrogen which comprises contacting the gas with an adsorbent which is selective for the adsorption of nitrogen, comprising a crystalline X-zeolite having a zeolitic Si/Al ratio less than 1.25 and a lithium ion exchange level of the exchangeable ion content greater than 70% and less than 88%.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×