1. Hybrid systems: combining technologies leads to more efficient gas conditioning;Echt,2002
2. CO2 removal: membrane plus amine;McKee;Hydrocarbon Proc.,1991
3. Economics of gas separation membranes;Spillman;Chem. Eng. Prog.,1989
4. Membranes provide cost-effective natural gas processing;Cook;Hydrocarbon Proc.,1995
5. Field tests show membrane processing attractive;Cooley;Chem. Eng. Prog.,1985