journal article·2021-11-17

Single-Atom Ru on Al2O3 for Highly Active and Selective 1,2-Dichloroethane Catalytic Degradation

Jiajing Pei, Bo Peng, He Lin, Wenxing Chen, Yu Wang, Juncai Dong, Junjie Mao, Dianzeng Jia, Wei Zhu, Zhongbin Zhuang

ACS Applied Materials & Interfaces· Volume 13· Issue 45
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Abstract

1,2-Dichloroethane (1,2-DCE) is a toxic volatile organic compound, which is harmful to the environment and human health. Herein, we develop a single-atom Ru catalyst anchored on the mesoporous schistose γ-Al2O3 (Ru SACs/m-γ-Al2O3) to enhance the catalytic activity and selectivity toward 1,2-DCE degradation. The Ru SACs/m-γ-Al2O3 shows low T50 and T90 (the temperature for 50 and 90% conversion) of 215 and 289 °C, which are lower than those for Ru NPs/m-γ-Al2O3 (291 and 374 °C) and pristine m-γ-Al2O3 (323 and 386 °C). The degradation products are mainly CO2 (>94%) and HCl (>90%) by using the Ru SACs/m-γ-Al2O3 catalyst, and almost no byproducts are detected. Furthermore, Ru SACs/m-γ-Al2O3 also presents excellent anti-chlorine poisoning effect and water resistance during the stability test. This work may shed light on the development of efficient single-atom catalysts for the degradation of industrial pollutants.
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Research context

OpenAlex topics: Nanomaterials for catalytic reactions · Catalytic Processes in Materials Science · Advanced Photocatalysis Techniques

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Lab of Organic−Inorganic Composites and Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China

Guangxi Key Laboratory of Polysaccharide Materials and Modification, Laboratory of Chemical and Biological Transforming Process of Guangxi Higher Education Institutes, School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Nanning 530006, China

Key Laboratory of Energy Materials Chemistry, Ministry of Education; Key Laboratory of Advanced Functional Materials, Autonomous Region; Institute of Applied Chemistry, College of Chemistry, Xinjiang University, Urumqi 830046, Xinjiang, P.R. China

School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China

Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Science, Shanghai 201800, China

Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China

College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, P.R. China

Funding

Guangxi University · Ministry of Education of the People's Republic of China · National Natural Science Foundation of China · Beijing Institute of Technology Research Fund Program for Young Scholars

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