Biotemplate preparation of Ru/CeO2 catalysts for the catalytic combustion of vinyl chloride

Biotemplates are often used in the preparation of catalysts due to availability of raw materials and environment-friendly. Herein, three biomorphic CeO2 were prepared from waste tobacco materials and impregnated with 1 wt% Ru for the catalytic combustion of vinyl chloride. The results showed that th...

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Veröffentlicht in:Catalysis communications 2023-11, Vol.184, p.106801, Article 106801
Hauptverfasser: Shen, Kai, Ding, Qing, Fan, Hu, Pan, Fanda, Shou, Yuedian, Jiao, Kaixuan, Xia, Chen, Xie, Baocheng, Zhan, Wangcheng, Guo, Yanglong, Guo, Yun, Wang, Li, Dai, Qiguang, Wang, Aiyong
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Sprache:eng
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Zusammenfassung:Biotemplates are often used in the preparation of catalysts due to availability of raw materials and environment-friendly. Herein, three biomorphic CeO2 were prepared from waste tobacco materials and impregnated with 1 wt% Ru for the catalytic combustion of vinyl chloride. The results showed that the biotemplates greatly affected the properties of the catalysts. 1Ru/CeO2-YS exhibited the best catalytic activity and superior stability because of its abundant oxygen vacancies, sufficient acidic sites and the optimal redox properties. SEM images suggested that CeO2-YS and CeO2-YM maintained the basic structure of the biotemplates. Moreover, a possible reaction mechanism over Ru/CeO2 was proposed.
ISSN:1566-7367
1873-3905
DOI:10.1016/j.catcom.2023.106801