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- W4220863657 endingPage "2152" @default.
- W4220863657 startingPage "2129" @default.
- W4220863657 abstract "CO2-assisted oxidative dehydrogenation of propane (CO2-ODHP) is an attractive strategy to offset the demand gap of propylene due to its potentiality of reducing CO2 emissions, especially under the demands of peaking CO2 emissions and carbon neutrality. The introduction of CO2 as a soft oxidant into the reaction not only averts the over-oxidation of products, but also maintains the high oxidation state of the redox-active sites. Furthermore, the presence of CO2 increases the conversion of propane by coupling the dehydrogenation of propane (DHP) with the reverse water gas reaction (RWGS) and inhibits the coking formation to prolong the lifetime of catalysts via the reverse Boudouard reaction. An effective catalyst should selectively activate the C–H bond but suppress the C–C cleavage. However, to prepare such a catalyst remains challenging. Chromium-based catalysts are always applied in industrial application of DHP; however, their toxic properties are harmful to the environment. In this aspect, exploring environment-friendly and sustainable catalytic systems with Cr-free is an important issue. In this review, we outline the development of the CO2-ODHP especially in the last ten years, including the structural information, catalytic performances, and mechanisms of chromium-free metal-based catalyst systems, and the role of CO2 in the reaction. We also present perspectives for future progress in the CO2-ODHP." @default.
- W4220863657 created "2022-04-03" @default.
- W4220863657 creator A5021402573 @default.
- W4220863657 creator A5025958877 @default.
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- W4220863657 creator A5052596733 @default.
- W4220863657 creator A5063561156 @default.
- W4220863657 creator A5086183522 @default.
- W4220863657 creator A5090737269 @default.
- W4220863657 date "2022-03-11" @default.
- W4220863657 modified "2023-10-16" @default.
- W4220863657 title "Research progress of CO2 oxidative dehydrogenation of propane to propylene over Cr-free metal catalysts" @default.
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