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The influence of the promotion of N-modified activated carbon with iron on NO removal by NH3-SCR (Selective catalytic reduction)

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  • Samojeden, Bogdan
  • Grzybek, Teresa

Abstract

New catalysts based on activated carbon, which may be used for tail-end SCR (Selective catalytic reduction), were studied. They were modified by pre-oxidation, introduction of N-surface groups via impregnation with an aqueous solution of urea and subsequent impregnation with Fe(NO3)3 or Mn(NO3)2. The catalysts modified with Fe and Mn showed similar NO conversion, but the former was characterized by better selectivity and stability. The H2O presence in the SCR mixture led to the decrease of NO conversion at low and medium temperature region, which was totally reversible after the removal of water. However, water positively influenced selectivity.

Suggested Citation

  • Samojeden, Bogdan & Grzybek, Teresa, 2016. "The influence of the promotion of N-modified activated carbon with iron on NO removal by NH3-SCR (Selective catalytic reduction)," Energy, Elsevier, vol. 116(P3), pages 1484-1491.
    • Handle: RePEc:eee:energy:v:116:y:2016:i:p3:p:1484-1491
    DOI: 10.1016/j.energy.2016.04.059
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    Citations

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    Cited by:

    1. Lv, You & Lv, Xuguang & Fang, Fang & Yang, Tingting & Romero, Carlos E., 2020. "Adaptive selective catalytic reduction model development using typical operating data in coal-fired power plants," Energy, Elsevier, vol. 192(C).
    2. Agnieszka Szymaszek & Bogdan Samojeden & Monika Motak, 2020. "The Deactivation of Industrial SCR Catalysts—A Short Review," Energies, MDPI, vol. 13(15), pages 1-25, July.
    3. Wang, Zhi & Peng, Xianyong & Zhou, Huaichun & Cao, Shengxian & Huang, Wenbo & Yan, Weijie & Li, Kuangyu & Fan, Siyuan, 2024. "A dynamic modeling method using channel-selection convolutional neural network: A case study of NOx emission," Energy, Elsevier, vol. 290(C).
    4. Feng, Xiangdong & Liu, Shanjian & Yue, Kang & Wei, Heng & Bi, Dongmei & Zhao, Wenjing, 2023. "Insight into the promotional effect of Mn-modified nitrogenous biochar on the NH3-SCR denitrification activity at low temperatures," Energy, Elsevier, vol. 285(C).
    5. Maciej Zyrkowski & Monika Motak & Bogdan Samojeden & Krzysztof Szczepanek, 2020. "Deactivation of V 2 O 5 −WO 3 /TiO 2 DeNOx Catalyst under Commercial Conditions in Power Production Plant," Energies, MDPI, vol. 13(23), pages 1-16, November.

    More about this item

    Keywords

    Activated carbon; Iron; Water; SCR;
    All these keywords.

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