Volume 52 Issue 5
May  2024
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Article Navigation >  Journal of Fuel Chemistry and Technology  > 2024  >  52(5): 756-774
HAN Yuxuan, ZHOU Yu, TAN Chenchen, WU Peng, DING Shipeng, SHEN Kai, ZHANG Yaping. Research progress of SCR medium temperature denitrification catalyst for cement industry[J]. Journal of Fuel Chemistry and Technology, 2024, 52(5): 756-774. doi: 10.19906/j.cnki.JFCT.2023084
Citation: HAN Yuxuan, ZHOU Yu, TAN Chenchen, WU Peng, DING Shipeng, SHEN Kai, ZHANG Yaping. Research progress of SCR medium temperature denitrification catalyst for cement industry[J]. Journal of Fuel Chemistry and Technology, 2024, 52(5): 756-774. doi: 10.19906/j.cnki.JFCT.2023084
shu

Research progress of SCR medium temperature denitrification catalyst for cement industry

doi: 10.19906/j.cnki.JFCT.2023084

  • Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, China

Funds:  The project was supported by National Key Research and Development Program of China (2021YFB3500604).
  • Received Date: 2023-10-19
  • Accepted Date: 2023-12-04
  • Rev Recd Date: 2023-12-04
    • Available Online: 2024-01-18
  • Publish Date: 2024-05-01
    Abstract
  • Selective catalytic reduction (SCR) technology has been widely used in the denitrification of cement industry, in which a relatively mature system has been formed in the high temperature (280–350 ℃) section, but there is still a breakthrough in the middle temperature zone. Focusing on medium temperature catalysts, this paper reviewed the progress of Mn, Ce and V catalysts, and analyzed the doping of Sm, Nb, Ho, Sb, La, Mo and Pr to improve the performance of catalysts. Combined with the characteristics of the high content of SO2, H2O and alkali metal in cement kiln smoke, the causes of catalyst poisoning were analyzed, and the way to resist sulfur poisoning, water poisoning, and alkali metal poisoning was summarized. The research prospect of SCR medium temperature denitration catalyst in cement industry is prospected.
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