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A new fixed carrier membrane material VSA-SA for CO2 separation was preparedthrough the chemical modification of PVSA. The selective permeation of CO2 throughVSA-SA/PS composite membrane was performed with CO2/CH4 system. The VSA-SA/PScomposite membranes possess better CO2 permselectivity than PVSA/PS composite membrane.
A new fixed carrier membrane material VSA-SA for CO2 separation was preparedthrough the chemical modification of PVSA. The selective permeation of CO2 throughVSA-SA / PS composite membranewas performed with CO2 / CH4 system. The VSA-SA / PScomposite membranes possess better CO2 permselectivity than PVSA / PS composite membrane.