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- Title
Methane Oxidation over the Zeolites-Based Catalysts.
- Authors
Wu, Linke; Fan, Wei; Wang, Xun; Lin, Hongxia; Tao, Jinxiong; Liu, Yuxi; Deng, Jiguang; Jing, Lin; Dai, Hongxing
- Abstract
Zeolites have ordered pore structures, good spatial constraints, and superior hydrothermal stability. In addition, the active metal elements inside and outside the zeolite framework provide the porous material with adjustable acid–base property and good redox performance. Thus, zeolites-based catalysts are more and more widely used in chemical industries. Combining the advantages of zeolites and active metal components, the zeolites-based materials are used to catalyze the oxidation of methane to produce various products, such as carbon dioxide, methanol, formaldehyde, formic acid, acetic acid, and etc. This multifunction, high selectivity, and good activity are the key factors that enable the zeolites-based catalysts to be used for methane activation and conversion. In this review article, we briefly introduce and discuss the effect of zeolite materials on the activation of C–H bonds in methane and the reaction mechanisms of complete methane oxidation and selective methane oxidation. Pd/zeolite is used for the complete oxidation of methane to carbon dioxide and water, and Fe- and Cu-zeolite catalysts are used for the partial oxidation of methane to methanol, formaldehyde, formic acid, and etc. The prospects and challenges of zeolite-based catalysts in the future research work and practical applications are also envisioned. We hope that the outcome of this review can stimulate more researchers to develop more effective zeolite-based catalysts for the complete or selective oxidation of methane.
- Subjects
FORMIC acid; CARBON dioxide in water; PARTIAL oxidation; CATALYSTS; CHEMICAL industry; OXIDATION of methanol
- Publication
Catalysts (2073-4344), 2023, Vol 13, Issue 3, p604
- ISSN
2073-4344
- Publication type
Academic Journal
- DOI
10.3390/catal13030604