Zeolite Membranes – The Importance of Support Analysis

Freek Kapteijn, Xuerui Wang

科研成果: 期刊稿件文献综述同行评审

11 引用 (Scopus)

摘要

Zeolite membranes are highly attractive in energy efficient, selective separation technologies. Their high selectivity originates from selective adsorption, diffusion and even molecular sieving. High flux zeolite membranes (> 1 mol s−1m−2) with a sub-micrometer thickness are mechanically stabilized by a porous, often multilayer, support. Transport mechanisms in zeolite layer and support, however, are counteracting regarding selectivity, and a support may also act as a flux resistance. Several examples are analyzed quantifying the impact of the support on the observed performance, showing the effect of layer thickness, orientation of the asymmetric membrane and operational conditions, resulting in recommendations for the configuration of zeolite membrane modules.

源语言英语
页(从-至)23-30
页数8
期刊Chemie-Ingenieur-Technik
94
1-2
DOI
出版状态已出版 - 1 1月 2022

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