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RISApplication of Cardo-type polyimide (PI) and polyphenylene oxide (PPO) hollow fiber membranes in two-stage membrane systems for CO2/CH4 separation
In this study, a two-stage membrane system for the separation of CH4/CO2 was designed
based on a series of laboratory-scale experiments obtained using two types of commercial
hollow fiber membranes including ...
The Effect of Ethane on the Performance of Commercial Polyphenylene Oxide and Cardo-type Polyimide Hollow Fiber Membranes in CO2/CH4 Separation Applications
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 ...
Removal of hydrogen sulfide from methane using commercial polyphenylene oxide and Cardo-type polyimide hollow fiber membranes
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 ...
The CO2/CH4 Separation by Commercially Available PPO and Cardo-type Polyimide Hollow Fiber Membranes
The CO2/CH4 and O2/N2 separations by commercially available PPO and Cardo-type polyimide hollow fiber membranes were investigated. Based on pure N2, O2, CH4 and CO2 permeation experiments, it was concluded that these hollow ...