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• W3204685946 endingPage "48948" @default.
• W3204685946 startingPage "48934" @default.
• W3204685946 abstract "Propane nonoxidative dehydrogenation (PDH) is a promising route to produce propylene with the development of shale gas exploration technology. Co-based catalysts with low cost and low toxicity could activate C-H effectively, but they suffer from deactivation with coke formation. In this work, a catalyst formed by incorporating highly dispersed Co sites into a Silicalite-1 zeolite framework (Co-Silicalite-1) is synthesized by a hydrothermal protocol in the presence of ammonia, which exhibits superior propane dehydrogenation catalytic performance with 0.0946 mmol C3H6·s-1·gCo-1 and propylene selectivity higher than 98.5%. It also shows outstanding catalytic stability and coking resistance in a 3560 min time-on-stream. Combined characterization results demonstrate that the tetrahedrally coordinated Co2+ site serves as the PDH catalytic active site, which is stabilized by Si-O units of the zeolite framework. Incorporation of Co sites into the zeolite framework could avoid the reduction of Co species to metallic Co. Moreover, the catalytic performance is improved by the enhanced propane adsorption and propylene desorption." @default.
• W3204685946 created "2021-10-11" @default.
• W3204685946 creator A5003815946 @default.
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• W3204685946 date "2021-10-07" @default.
• W3204685946 modified "2023-09-29" @default.
• W3204685946 title "Atomically Dispersed Co²⁺ Sites Incorporated into a Silicalite-1 Zeolite Framework as a High-Performance and Coking-Resistant Catalyst for Propane Nonoxidative Dehydrogenation to Propylene" @default.
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• W3204685946 doi "https://doi.org/10.1021/acsami.1c15892" @default.
• W3204685946 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/34615351" @default.
• W3204685946 hasPublicationYear "2021" @default.
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