Advances in rigid porous high temperature filters

Shuo Li, Jan Baeyens, Raf Dewil, Lise Appels, Huili Zhang and Yimin Deng

Renewable and Sustainable Energy Reviews, 2021, vol. 139, issue C

Abstract: The development of de-dusting hot gases is of increasing importance and growing interest, especially in advanced power generation systems and (petro-)chemical processes. High temperature de-dusting has advantages of exceeding dew points, enhancing energy recovery at higher temperatures, protecting the downstream heat recovery equipment from fouling or erosion, and potentially simplifying the overall process. Additional benefits are a reduced power consumption and the possibility to simultaneously capture gaseous pollutants (SO2, HCl) by the gas-solid reaction with injected alkali or by integrating catalysts to abate NOx, VOC (volatile organic compounds) and PCDD/F (polychlorinated dioxins and furans). Both porous ceramic and porous metal fiber filters have been proposed, with a growing preference for the rigid metal fibre filters. Either surface or depth filters are applied.

Keywords: Dust collection; High temperature; Rigid filters; Separation efficiency; Pressure drop; Jet cleaning; Applications; Design; Materials' selection (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (4)

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DOI: 10.1016/j.rser.2021.110713

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