期刊
CATALYSIS REVIEWS-SCIENCE AND ENGINEERING
卷 -, 期 -, 页码 -出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/01614940.2022.2099058
关键词
CO2 hydrogenation; aromatics; composite catalysts; zeolites; reaction mechanism
资金
- Korea Institute of Energy Technology Evaluation and Planning(KETEP)
- Ministry of Trade, Industry & Energy, Republic of Korea [20224C10300010]
- Korea Evaluation Institute of Industrial Technology (KEIT) [20224C10300010] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
This review critically discusses catalytic systems for the direct production of aromatics from CO2 via the methanol-mediated and modified Fischer-Tropsch synthesis pathways, covering aspects such as acid sites, catalytic performance, Si/Al ratios of zeolites, proximity between metal oxide and zeolite, and reaction conditions.
The conversion of CO2 into fuels and value-added chemicals over heterogeneous catalysts may help realize a carbon-neutral or carbon-negative society. Recently, the direct conversion of CO2 to aromatics has been extensively explored. However, the requirement of multifunctional active sites, complexity of tandem cascade reactions, and difficulty in understanding reaction mechanisms present significant challenges to the design of effective heterogeneous catalysts. In this review, catalytic systems used for the direct production of aromatics from CO2 via the methanol-mediated and modified Fischer-Tropsch synthesis pathways are critically discussed. The initial section discusses the role of acid sites in HZSM-5 for the formation of aromatics. This is followed by a thorough review of recent progress on aromatic syntheses in terms of their catalytic performance, Si/Al ratios of zeolites, proximity between metal oxide and zeolite, and reaction conditions. The reaction mechanisms and the stability of existing catalysts are also discussed. Finally, the current challenges and future prospects of the catalytic conversion of CO2 to aromatics are highlighted.
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