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The Manganese-Based Zirconium (Zr) and Chromium (Cr) Polymeric Pillared Interlayered Montmorillonite for the Low-Temperature Selective Catalytic Reduction of NOx by Ammonia (NH3) in Metallurgical Sintering Flue Gas

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Energy Technology 2019

Part of the book series: The Minerals, Metals & Materials Series ((MMMS))

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Abstract

The manganese-based Zr and Cr polymeric pillared interlayered montmorillonite (Mn/Zr-Cr-PILM) with various Zr/Cr ratio as carrier supported MnOx were used in the selective catalytic reduction of NOx by NH3 (NH3-SCR) in metallurgical sintering flue gas. The X-ray diffraction (XRD), N2 adsorption–desorption isotherm, and ammonia temperature-programmed desorption (NH3-TPD) were used to analyze the catalyst physicochemical property. The Mn/Zr-Cr-PILM (1:3) had the highest NOx conversion between 140 and 180 °C compared with other catalysts. This was due to the large specific surface area and a large amount of Lewis acid sites provided more reaction platform and more adsorption sites for the catalytic reaction. However, as the proportion of Cr increased in Mn/Zr-Cr-PILM, the N2 selectivity of the catalyst decreased rapidly with the increasing temperature, except for Mn/Zr-Cr-PILM (3:1). It may be that the entry of chromium oxide into the zirconium oxide crystal phase in Mn/Zr-Cr-PILM (3:1) inhibited the production of N2O for increasing the N2 selectivity.

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Acknowledgements

This research was supported by National Key Research and Development of China (2017YFB0603603) and National Natural Science Foundation of China (51576035).

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Authors and Affiliations

  1. School of Metallurgy, Northeastern University, No 11, Lane 3, Wenhua Road, Heping District, Shenyang, 110819, Liaoning, People’s Republic of China

    Zhicheng Han, Qingbo Yu, Kaijie Liu, Huaqing Xie & Qin Qin

Authors
  1. Zhicheng Han
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  2. Qingbo Yu
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  3. Kaijie Liu
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  4. Huaqing Xie
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  5. Qin Qin
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Corresponding author

Correspondence to Qingbo Yu .

Editor information

Editors and Affiliations

  1. Nucor Castrip Arkansas, Blytheville, AR, USA

    Tao Wang

  2. Royal Melbourne Institute of Technology, Melbourne, VIC, Australia

    Xiaobo Chen

  3. Idaho National Laboratory, Idaho Falls, ID, USA

    Donna Post Guillen

  4. University of Alaska Fairbanks, Fairbanks, AK, USA

    Lei Zhang

  5. Queensland University of Technology, Brisbane, QLD, Australia

    Ziqi Sun

  6. Northeastern University, Shenyamg, China

    Cong Wang

  7. Commonwealth Scientific and Industrial Research Organization, Clayton South, VIC, Australia

    Nawshad Haque

  8. Purdue University, West Lafayette, IN, USA

    John A. Howarter

  9. IND LLC, South Jordan, UT, USA

    Neale R Neelameggham

  10. Al-Isra University, Amman, Jordan

    Shadia Ikhmayies

  11. University of Utah, Salt Lake City, UT, USA

    York R. Smith

  12. University of British Columbia, Vancouver, BC, Canada

    Leili Tafaghodi

  13. LG Fuel Cell Systems, North Canton, OH, USA

    Amit Pandey

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Han, Z., Yu, Q., Liu, K., Xie, H., Qin, Q. (2019). The Manganese-Based Zirconium (Zr) and Chromium (Cr) Polymeric Pillared Interlayered Montmorillonite for the Low-Temperature Selective Catalytic Reduction of NOx by Ammonia (NH3) in Metallurgical Sintering Flue Gas. In: Wang, T., et al. Energy Technology 2019. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-06209-5_12

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