Chemistry

Equilibrium shift, poisoning prevention, and selectivity enhancement in catalysis via dehydration of polymeric membranes

M. Hyeon, H. Park, et al.

This innovative research by Myeong-Hun Hyeon and colleagues introduces a thermally rearranged poly-benzoxazole hollow fiber membrane capable of selectively removing water at temperatures up to 400 °C. This breakthrough technology addresses critical challenges in chemical reactions, improving product yields through the reduction of equilibrium limitations and catalyst deactivation.

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Abstract

Water byproduct generation often hinders chemical reactions. This study introduces a thermally rearranged poly-benzoxazole (TR-PBO) hollow fiber membrane for selective water removal at temperatures up to 400 °C. The membrane's application in a reactor addresses equilibrium limitations, catalyst deactivation, and water-based side reactions, enhancing product yields in various reactions, including reverse water-gas shift (RWGS), methane combustion, and Fischer-Tropsch olefin (FTO) synthesis.

Publisher

Nature Communications

Published On

Mar 25, 2023

Authors

Myeong-Hun Hyeon, Hae-Gu Park, Jongmyeong Lee, Chang-In Kong, Eun-Young Kim, Jong Hak Kim, Su-Young Moon, Seok Ki Kim

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