Catalytic Science in Air Pollution Control: Experimental and Theoretical Achievements

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Environmental Catalysis".

Deadline for manuscript submissions: closed (20 June 2022) | Viewed by 2549

Special Issue Editors


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Guest Editor
College of Science, Department of Chemistry, Shanghai University, Shanghai 200444, China
Interests: emission control; heterogeneous catalysis; zeolite synthesis

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Guest Editor
Research Institute of Industrial Catalysis, East China University of Science and Technology, Shanghai 200237, China
Interests: environmental catalysis; air pollution control; catalytic mechanism

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Guest Editor
Department of Chemical Engineering and Physical Chemistry, University of Extremadura, Avda. De Elvas s/n, 06006 Badajoz, Spain
Interests: biomass; biodiesel; biolubricants; oxidative stability; fatty acid methyl esters; catalyst; pyrolysis; gasification
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Special Issue Information

Dear Colleagues,

Catalysis science is one of the most important cornerstones of modern industrial civilization. However, while catalysis science is indubitably beneficial to humanity, it also greatly increases the risk that the results of human activities will exceed what the environment can tolerate. Catalytic science has achieved great success in industrialization, but it is now facing new challenges when it comes to protecting the environment and ensuring the sustainable development of human beings. It is for this reason that environmental catalysis has recently come to be, whose main achievements so far have focused on air pollution control. This Special Issue welcomes both review and original research articles on the catalytic elimination of air pollutants, especially in motor vehicle exhaust and stationary source flue gas, including but not limiting to the following topics:

  1. Selective catalytic reduction of NOx;
  2. Catalytic oxidation of volatile organic compounds;
  3. Catalytic elimination of carbon monoxide;
  4. Catalytic combustion of soot.

Dr. Aiyong Wang
Prof. Dr. Yanglong Guo
Dr. Sergio Nogales Delgado 
Guest Editors

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Keywords

  • emission control
  • heterogeneous catalysis
  • zeolite synthesis
  • environmental catalysis
  • air pollution control
  • catalytic mechanism

Published Papers (1 paper)

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Research

18 pages, 3093 KiB  
Article
Low-Temperature NH3-SCR on Cex-Mn-Tiy Mixed Oxide Catalysts: Improved Performance by the Mutual Effect between Ce and Ti
by Qianwen Zhu, Aiyong Wang, Jinshui Zhang, Yanglong Guo, Yun Guo, Li Wang and Wangcheng Zhan
Catalysts 2022, 12(5), 471; https://0-doi-org.brum.beds.ac.uk/10.3390/catal12050471 - 22 Apr 2022
Cited by 4 | Viewed by 1811
Abstract
A series of Cex-Mn-Tiy catalysts were synthesized using the coprecipitation method, and sodium carbonate solution was used as a precipitant. The various catalysts were assessed by selective catalytic reduction of NOx with NH3, and characterized by X-ray [...] Read more.
A series of Cex-Mn-Tiy catalysts were synthesized using the coprecipitation method, and sodium carbonate solution was used as a precipitant. The various catalysts were assessed by selective catalytic reduction of NOx with NH3, and characterized by X-ray diffraction, Raman spectroscopy, H2 temperature-programmed reduction, NH3 temperature-programmed desorption, and X-ray photoelectron spectroscopy to investigate the physicochemical properties, surface acidity, and redox abilities of the Cex-Mn-Tiy catalysts. The Ce0.1-Mn-Ti0.1 catalyst exhibited the best catalytic performance (more than 90% NOx conversion in the range of 75 to 225 °C), as a result of proper redox ability, abundant acid sites, high content of Mn4+ and Ce3+, and surface-adsorbed oxygen (OS). The results of in situ DRIFT spectroscopy showed that the NH3-SCR reaction followed both the E-R and L-H paths over the Ce0.1-Mn-Ti0.1 catalyst, and it occurred faster and more sharply when it mainly abided by the E-R mechanism. Full article
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