HIGH PERFORMANCE FACILITATED TRANSPORT MEMBRANES FOR OLEFIN/PARAFFIN SEPARATIONS

A high performance facilitated transport membrane comprising a metal cation exchanged/chelated carboxylic acid functional group containing functional polyimide, a method of making this a membrane, and the use of this membrane for olefin/paraffin separations, particularly for propylene/propane and ethylene/ethane separations. The facilitated transport membrane has either an asymmetric integrally skinned membrane structure or a thin film composite membrane structure, wherein the top selective layer of the membrane comprises a metal cation exchanged/chelated carboxylic acid functional group containing functional polyimide.


» Number: WO2018005163A1 (A1)

» Publication Date: 04/01/2018

» Applicant: UOP LLC?[US]

» Inventor: LIU CHUNQING?[US]; KARNS NICOLE K?[US]

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This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement Nº 768737


                   




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