1. Pick treatment for high CO2 removal;Goddin;Hydrocarbon Process,1982
2. Membranes can efficiently separate CO2 from mixtures;Schell;Oil Gas J.,1983
3. Application of the DELSEP membrane system;Russel;Chem. Eng. Prog.,1984
4. Field tests show membrane porcessing attractive;Cooley;Chem. Eng. Prog.,1985
5. Membrane system lowers treating costs at gas plant;Markiemicz;Oil Gas J.,1988