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The Hydrothermal Stability of Paper-Like Ceramic Fiber and Conventional Honeycomb-Type Cordierite Substrates Washcoated with Cu-MFI and V2O5/TiO2 Catalysts for the Selective Reduction of NOx by NH3

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Abstract

A paper-like ceramic fiber was employed as a monolith substrate for removing NO by NH3. The stronger hydrothermal stability of the ceramic fiber washcoated with V2O5/TiO2 was observed by the pre-calcination of the substrate, mainly due to the well dispersed AlPO4 formed on the substrate surface improving the washcoating of the catalysts and moderating the phase transformation of TiO2 from anatase to rutile.

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Acknowledgments

This work was supported by LG Hausys (BK21 program) and the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (No. 20090092793).

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Authors and Affiliations

  1. Department of Chemical Engineering/School of Environmental Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Korea

    Hyuk Jae Kwon, Youngjin Kim & In-Sik Nam

  2. Hausys R&D, LG Hausys, Ltd., Research Park, Daejeon, Korea

    Seong Moon Jung & Ju-Hyung Lee

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  1. Hyuk Jae Kwon
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  2. Youngjin Kim
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  3. In-Sik Nam
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  4. Seong Moon Jung
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Correspondence to In-Sik Nam.

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Kwon, H.J., Kim, Y., Nam, IS. et al. The Hydrothermal Stability of Paper-Like Ceramic Fiber and Conventional Honeycomb-Type Cordierite Substrates Washcoated with Cu-MFI and V2O5/TiO2 Catalysts for the Selective Reduction of NOx by NH3 . Top Catal 53, 439–446 (2010). https://doi.org/10.1007/s11244-010-9470-3

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