Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Recent Progress and Challenges of Metal-Organic Framework-Based Membranes for Gas Separation

Version 1 : Received: 27 December 2023 / Approved: 27 December 2023 / Online: 29 December 2023 (01:28:43 CET)

A peer-reviewed article of this Preprint also exists.

Tanaka, S.; Fuku, K.; Ikenaga, N.; Sharaf, M.; Nakagawa, K. Recent Progress and Challenges in the Field of Metal–Organic Framework-Based Membranes for Gas Separation. Compounds 2024, 4, 141-171. Tanaka, S.; Fuku, K.; Ikenaga, N.; Sharaf, M.; Nakagawa, K. Recent Progress and Challenges in the Field of Metal–Organic Framework-Based Membranes for Gas Separation. Compounds 2024, 4, 141-171.

Abstract

Metal-organic frameworks (MOFs) represent the largest class of materials among the crystalline porous materials ever developed and have attracted attention as core materials for separation technology. Their extremely uniform pore aperture and nearly unlimited structural and chemical characteristics have attracted great interest and promise in applying MOFs to adsorptive and membrane–based separations. This paper reviews the recent research and development of MOF membranes for gas separation. Strategies for polycrystalline membranes and mixed matrix membranes are discussed, with a focus on separation systems involving hydrocarbon separation and CO2 capture. Challenges and opportunities for the industrial deployment of MOF membranes are also be discussed, providing guidance for the design and fabrication of future high-performance membranes. The contributions of the underlying mechanism to separation performances, and the adopted strategies and membrane processing technologies for breaking the selectivity/permeability trade–off are discussed.

Keywords

metal-organic frameworks; polycrystalline membranes; membrane formation; intergrowth; grain boundary voids; adsorption; diffusion; gas separation

Subject

Chemistry and Materials Science, Chemical Engineering

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