Supported liquid membrane separation of propylene-propane mixtures using a metal ion carrier |
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| Authors: | Maryam Takht Ravanchi Tahereh Kaghazchi Ali Kargari |
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| Affiliation: | a Department of Chemical Engineering, Center of Excellence for Petrochemical Engineering, Amirkabir University of Technology (Tehran Polytechnic), No. 424, Hafez Ave., PO Box 15875-4413, Tehran, Iran
b National Petrochemical Company, Research and Technology Co., No. 27, Sarv Alley, Shirazi South Street, Molla Sadra Ave., PO Box 14358-8471, Tehran, Iran |
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| Abstract: | Experimental results for the separation of propylene from a propylene/propane mixture using facilitated transport membrane system with silver nitrate as carrier are presented. The equilibrium constant of the reaction between propylene and silver ion (Ag+) at different operating conditions was determined, experimentally. For a 50:50 (vol.%) propylene-propane mixture, at feed pressure of 50-120 kPa, the separation performance of a facilitated transport membrane system was evaluated. It was observed that increasing carrier concentration and trans-membrane pressure, separation factor was increased. At feed pressure of 120 kPa and the carrier concentration of 20 wt.%, a separation factor of 270 was obtained. |
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| Keywords: | Supported liquid membrane Facilitated transport Equilibrium constant Propylene Propane Metal complex |
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