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Selective Catalytic Reduction Activity of MnOx/TiO2 Catalyst Under Impact of Mineral Polarization
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Yizhe HELIAN, Suping CUI, Xiaoyu MA, Yali WANG, Haiying XU
Journal of the Chinese Ceramic Society | 2023, 51(1) : 194 - 203
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Journal of the Chinese Ceramic Society | 2023, 51(1): 194-203
• Research Articles •
Selective Catalytic Reduction Activity of MnOx/TiO2 Catalyst Under Impact of Mineral Polarization
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Yizhe HELIAN, Suping CUI, Xiaoyu MA, Yali WANG, Haiying XU
Affiliations
  • Divison of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, China

    • HELIAN Yizhe (1995-), male, Ph.D. E-mail:

About Author:

HELIAN Yizhe (1995-), male, Ph.D. E-mail:

Published: 2023-01-20 doi: 10.14062/j.issn.0454-5648.20220688
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The low denitration activity and stability of MnOx/TiO2 catalyst are still challenging. In this work, a MnOx/TiO2 catalyst was modified via a polarization effect with tourmaline. Tourmaline with a proper fineness can improve the denitration performance of the catalytic material, obtaining the greater denitration rate above 90% in a wide temperature range and the prolonged high-efficiency denitration time. Based on the results of in-situ Fourier transform infrared spectroscopy, the reaction mechanism of the catalysts before and after modification with tourmaline follows the Langmuir-Hinshelwood mechanism, and tourmaline polarization can accelerate the adsorption rate of reaction gas and generate intermediate products liable for subsequent reaction, thus improving the denitration performance.

catalyst  /  mineral polarization  /  diffuse reflectance infrared Fourier transform spectroscopy  /  Langmuir-Hinshelwood mechanism
赫连一哲, 崔素萍, 马晓宇, 王亚丽, 徐海英. 矿物极化效应影响下MnOx/TiO2催化剂SCR活性. 硅酸盐学报, 2023 , 51 (1) : 194 -203 . DOI: 10.14062/j.issn.0454-5648.20220688
Yizhe HELIAN, Suping CUI, Xiaoyu MA, Yali WANG, Haiying XU. Selective Catalytic Reduction Activity of MnOx/TiO2 Catalyst Under Impact of Mineral Polarization[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (1) : 194 -203 . DOI: 10.14062/j.issn.0454-5648.20220688
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Year 2023 volume 51 Issue 1
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Article Info
doi: 10.14062/j.issn.0454-5648.20220688
  • Receive Date：2022-08-24
  • Online Date：2026-10-20
  • Published：2023-01-20
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History
  • Received：2022-08-24
  • Revised：2022-09-02
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Affiliations
    Divison of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, China

Corresponding:

Cui Suping (1964-), female, Ph.D., Professor. E-mail:
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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