High-Flux Carbon Molecular Sieve Membranes for Gas Separation

Angewandte Chemie
Hannes RichterIngolf Voigt

Abstract

Carbon membranes have great potential for highly selective and cost-efficient gas separation. Carbon is chemically stable and it is relative cheap. The controlled carbonization of a polymer coating on a porous ceramic support provides a 3D carbon material with molecular sieving permeation performance. The carbonization of the polymer blend gives turbostratic carbon domains of randomly stacked together sp2 hybridized carbon sheets as well as sp3 hybridized amorphous carbon. In the evaluation of the carbon molecular sieve membrane, hydrogen could be separated from propane with a selectivity of 10 000 with a hydrogen permeance of 5 m3 (STP)/(m2 hbar). Furthermore, by a post-synthesis oxidative treatment, the permeation fluxes are increased by widening the pores, and the molecular sieve carbon membrane is transformed from a molecular sieve carbon into a selective surface flow carbon membrane with adsorption controlled performance and becomes selective for carbon dioxide.

References

Mar 29, 2014·Chemical Society Reviews·Jianfeng Yao, Huanting Wang
Jul 15, 2015·Chemical Society Reviews·N RangnekarM Tsapatsis

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Citations

Mar 24, 2020·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Petr DementyevArmin Gölzhäuser
Nov 24, 2020·Chemical Society Reviews·Haozhen DouZhongwei Chen
Mar 10, 2021·Chemical Society Reviews·Hongjian WangZhongyi Jiang
May 3, 2019·ACS Applied Materials & Interfaces·Wojciech OgiegloIngo Pinnau
May 29, 2018·ACS Applied Materials & Interfaces·Jue HouHuanting Wang
Sep 9, 2021·Proceedings of the National Academy of Sciences of the United States of America·Yao MaRyan P Lively
Jan 6, 2022·ACS Applied Materials & Interfaces·Yanghwan JeongJungkyu Choi

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