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Removal of carbon dioxide from gas streams

  • US 5,587,003 A
  • Filed: 03/21/1995
  • Issued: 12/24/1996
  • Est. Priority Date: 03/21/1995
  • Status: Expired due to Fees
First Claim
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1. A method of removing carbon dioxide from a gas stream selected from oxygen, nitrogen, argon and mixtures of these which contains carbon dioxide at a partial pressure not greater than about 10 mbar as an impurity, comprising subjecting said gas stream to adsorption using clinoptilolite as the adsorbent at a temperature in the range of about 20°

  • to about 80°

    C., thereby adsorbing substantially all of the carbon dioxide from the gas stream.

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