Recent progress in anti-coking Ni catalysts for thermo-catalytic conversion of greenhouse gases
| Autor: | Xingyuan Gao, Saeed Askari, Jieyi Zhang, Jangam Ashok, Sibudjing Kawi, Shiyi Cai, Mudi Zheng, Nikita Dewangan, Jinyu Li |
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| Rok vydání: | 2021 |
| Předmět: |
Environmental Engineering
Materials science Carbon dioxide reforming business.industry General Chemical Engineering Methane Water-gas shift reaction Catalysis Steam reforming chemistry.chemical_compound chemistry Greenhouse gas Environmental Chemistry Partial oxidation Safety Risk Reliability and Quality Dispersion (chemistry) Process engineering business |
| Zdroj: | Process Safety and Environmental Protection. 156:598-616 |
| ISSN: | 0957-5820 |
| Popis: | As global warming has become a major environmental problem, how to effectively reduce or rationally utilize greenhouse gases has become an important topic. This review summarizes the latest development of Ni-based catalysts for thermal-catalytic conversion of CO2 and CH4, including steam reforming of methane, partial oxidation of methane, methane decomposition, dry reforming of methane, reverse water gas shift reaction and CO2 hydrogenation. The modification strategies are illustrated in depth, such as size and dispersion control, surface modification, oxygen defects. Besides, the reaction and coking mechanisms for various processes are introduced, and the effects of reaction conditions and reactor designs are discussed and illustrated. This is the first comprehensive review on discussing the latest developments of anti-coking Ni-based catalysts for six commonly studied thermal-catalytic processes where two greenhouse gases (CH4 and CO2) are involved. To further improve the catalytic performances and energy efficiency, advanced techniques such as plasma and microwave can be integrated and in-situ characterizations are expected to explore the deactivation mechanisms in depth. Moreover, a smart design of the catalyst is necessary to inhibit the side reactions by changing the reaction pathways. |
| Databáze: | OpenAIRE |
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