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Open AccessFeature PaperReview

Organosilica-Based Membranes in Gas and Liquid-Phase Separation

1
Jiangsu Key Laboratory of Fine Petrochemical Engineering, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
2
Separation Engineering Laboratory, Department of Chemical Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima 739-8527, Japan
*
Author to whom correspondence should be addressed.
Membranes 2019, 9(9), 107; https://doi.org/10.3390/membranes9090107
Received: 30 July 2019 / Revised: 17 August 2019 / Accepted: 20 August 2019 / Published: 22 August 2019
Organosilica membranes are a type of novel materials derived from organoalkoxysilane precursors. These membranes have tunable networks, functional properties and excellent hydrothermal stability that allow them to maintain high levels of separation performance for extend periods of time in either a gas-phase with steam or a liquid-phase under high temperature. These attributes make them outperform pure silica membranes. In this review, types of precursors, preparation method, and synthesis factors for the construction of organosilica membranes are covered. The effects that these factors exert on characteristics and performance of these membranes are also discussed. The incorporation of metals, alkoxysilanes, or other functional materials into organosilica membranes is an effective and simple way to improve their hydrothermal stability and achieve preferable chemical properties. These hybrid organosilica membranes have demonstrated effective performance in gas and liquid-phase separation. View Full-Text
Keywords: organosilica; hybrid membrane; hydrothermal stability; gas separation; liquid separation organosilica; hybrid membrane; hydrothermal stability; gas separation; liquid separation
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MDPI and ACS Style

Ren, X.; Tsuru, T. Organosilica-Based Membranes in Gas and Liquid-Phase Separation. Membranes 2019, 9, 107.

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