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Design and Development of Nanosized Materials for Catalytic Applications

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Catalytic Materials".

Deadline for manuscript submissions: closed (10 February 2024) | Viewed by 785

Special Issue Editor


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Guest Editor
Institute of Eco-Environmental Forensics, School of Environmental Science and Engineering, Shandong University, Qingdao, 266237, China
Interests: nano-minerals; eco-materials; structure design; chemical oxidation; emerging contaminants
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Special Issue Information

Dear Colleagues,

Nanosized materials have become increasingly popular for catalytic applications due to their unique physical and chemical properties. These materials have a high surface area-to-volume ratio, which makes them more efficient in catalyzing chemical processes and appealing in a wide range of catalytic applications such as hydrogenation, oxidation, carbon capture and storage, water treatment, and energy conversion.

Within this context, the design and development of nanosized materials for catalytic applications is a rapidly growing field that involves the creation of highly active and selective catalysts with improved performance over conventional catalysts.

This Special Issue welcomes contributions regarding the design and development of nanosized materials for catalytic applications involving the selection of the appropriate nanomaterial, synthesis using various techniques, characterization, and evaluation of catalytic activity.

You are kindly invited to submit a manuscript for this Special Issue. Full papers, communications and reviews are all welcome.

Dr. Lingshuai Kong
Guest Editor

Manuscript Submission Information

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Keywords

  • nanomaterial
  • structure–property relation
  • hydrogenation
  • oxidation
  • carbon capture and storage
  • water treatment
  • energy conversion

Published Papers (1 paper)

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Research

17 pages, 2459 KiB  
Article
Catalytic Oxidation of Chlorobenzene over HSiW/CeO2 as a Co-Benefit of NOx Reduction: Remarkable Inhibition of Chlorobenzene Oxidation by NH3
by Leyuan Dong, Keyu Jiang, Qi Shen, Lijuan Xie, Jian Mei and Shijian Yang
Materials 2024, 17(4), 828; https://doi.org/10.3390/ma17040828 - 08 Feb 2024
Viewed by 606
Abstract
There is an urgent need to develop novel and high-performance catalysts for chlorinated volatile organic compound oxidation as a co-benefit of NOx. In this work, HSiW/CeO2 was used for chlorobenzene (CB) oxidation as a co-benefit of NOx reduction and [...] Read more.
There is an urgent need to develop novel and high-performance catalysts for chlorinated volatile organic compound oxidation as a co-benefit of NOx. In this work, HSiW/CeO2 was used for chlorobenzene (CB) oxidation as a co-benefit of NOx reduction and the inhibition mechanism of NH3 was explored. CB oxidation over HSiW/CeO2 primarily followed the Mars–van–Krevelen mechanism and the Eley-Rideal mechanism, and the CB oxidation rate was influenced by the concentrations of surface adsorbed CB, Ce4+ ions, lattice oxygen species, gaseous CB, and surface adsorbed oxygen species. NH3 not only strongly inhibited CB adsorption onto HSiW/CeO2, but also noticeably decreased the amount of lattice oxygen species; hence, NH3 had a detrimental effect on the Mars–van–Krevelen mechanism. Meanwhile, NH3 caused a decrease in the amount of oxygen species adsorbed on HSiW/CeO2, which hindered the Eley-Rideal mechanism of CB oxidation. Hence, NH3 significantly hindered CB oxidation over HSiW/CeO2. This suggests that the removal of NOx and CB over this catalyst operated more like a two-stage process rather than a synergistic one. Therefore, to achieve simultaneous NOx and CB removal, it would be more meaningful to focus on improving the performances of HSiW/CeO2 for NOx reduction and CB oxidation separately. Full article
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