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Development of nanosilica-based catalyst for syngas production via CO2 reforming of CH4 : A review

Chong, Chi Cheng and Cheng, Yoke Wang and Mahadi, Bahari and Teh, Lee Peng and Sumaiya, Zainal Abidin and Setiabudi, H. D. (2020) Development of nanosilica-based catalyst for syngas production via CO2 reforming of CH4 : A review. International Journal of Hydrogen Energy. pp. 1-22. ISSN 0360-3199 (In Press)

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The alarming global warming issue has sparked interest in researchers to mitigate greenhouse gas emissions via CO2 reforming of CH4 (CRM). Regrettably, the main drawback of CRM is catalyst deactivation because of coking and metal sintering. Therefore, exceptional resistance towards coking and sintering is crucial to formulate viable CRM catalysts. This article reviewed the latest development of nanosilica-based catalysts (mesoporous nanosilica, dendritic fibrous nanosilica, green nanosilica, and core@shell nanosilica) for CRM application. The physicochemical properties of nanosilica supports could be modulated by synthesis methods to improve their resistance towards coking and sintering. Furthermore, this review compiled the influence of catalytic properties of nanosilica supported catalysts, such as active metal dispersion, crystallite size, acid-basic properties, oxygen mobility, reducibility, porosity, and morphology on CRM. To conclude, nanosilica supports with strong metal-support interaction, homogeneous metal dispersion, appropriate crystallite size, and moderate acidity/basicity, exhibited satisfactory catalytic activity, thermal stability, and resistance towards coking and sintering. The fundamental study and depth understanding on this catalysis field is of worth in configuring robust catalysts for future industrial applications success of CRM reaction with superb activity and carbon resistance for CRM.

Item Type: Article
Additional Information: Indexed by Scopus
Uncontrolled Keywords: CO2 reforming of CH4; Nanosilica supports; Catalytic properties; CokingSintering
Subjects: T Technology > TP Chemical technology
Faculty/Division: Institute of Postgraduate Studies
Faculty of Chemical and Process Engineering Technology
Depositing User: Mrs Norsaini Abdul Samat
Date Deposited: 22 Jan 2021 07:16
Last Modified: 22 Jan 2021 07:16
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