Impurities such as hydrogen sulfide, water vapor and heavy hydrocarbons in natural gas have considerable effects on the membrane performance. Small amounts of condensable and polymer soluble components in the feed gas cause ...

The performances of commercially available poly (2,6-dimethyl-1,4-phenylene oxide)(PPO) and Cardo-type polyimide (PI) hollow fiber membranes were investigated in removing hydrogen sulfide from methane in a series of ...