The invention includes a process for separating CO.sub.2 from natural gas including: contacting a mixture of CO.sub.2 and natural gas with a first side of a carbon membrane in a manner to cause a portion of the mixture to pass through the carbon membrane to a permeate side. The resulting mixture on the...http://www.google.fr/patents/US6299669?utm_source=gb-gplus-shareBrevet US6299669 - Process for CO2/natural gas separation
