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Silicon carbide filters and porous membranes: A review of processing, properties, performance and application

Abstract : Silicon carbide (SiC) filters and porous membranes is a growing industry with deployment for gas and liquid separation processes. In view of its importance, the research efforts into the development of SiC filters and membranes are of growing interest around the world. Therefore, this review paper is focused on the latest advancements in SiC and SiC composites used for the preparation of substrates and thin films in filters and membranes. There is a multitude of methods used to prepare filters and membranes of different shapes (tubular, honeycomb, flat sheets and multi-channel), which are influenced by precursor mixture and sintering conditions. In turn, these processing conditions affect porosity and pore size, which affects the transport and separation properties of SiC filters and membranes. SiC particles size and distribution allow for the precise control of pore size in membranes, leading to high gas separation factors. In addition, SiC has strong thermal stability properties that are very desirable for high temperature gas cleaning. Together with gas and liquid transport and separation properties, this review also addresses the potential applications in gas and liquid separation processes, coupled with thermal/chemical stability properties. Future challenges are highlighted towards further research efforts.
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Submitted on : Saturday, December 12, 2020 - 9:18:20 AM
Last modification on : Friday, January 22, 2021 - 3:54:07 PM
Long-term archiving on: : Saturday, March 13, 2021 - 6:19:32 PM

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Dachamir Hotza, Marco Di Luccio, Michaela Wilhelm, Yuji Iwamoto, João Diniz da Costa, et al.. Silicon carbide filters and porous membranes: A review of processing, properties, performance and application. Journal of Membrane Science, Elsevier, 2020, 610, pp.118193. ⟨10.1016/j.memsci.2020.118193⟩. ⟨hal-02615657⟩

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