Kinetics of the Ag/KNO3/CaCO3 Catalyzed Aerobic Propylene Epoxidation and Effects of CO2
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DOI: 10.1002/cctc.201902280
Abstract: In this contribution we investigate the aerobic propylene epoxidation over a Ag/KNO3/CaCO3 catalyst. The catalytic performance and surface speciation of the catalyst depends on the concentrations of feed modifiers such as ethyl chloride and nitric… read more here.
Keywords: aerobic propylene; propylene epoxidation; kinetics kno3; kno3 caco3 ... See more keywords
Zeolite crystal size effects of Au/uncalcined TS-1 bifunctional catalysts on direct propylene epoxidation with H2 and O2
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2020.115907
Abstract: Abstract Understanding the nature of Au-Ti bifunctional catalysis is important yet challenging for improving direct propylene epoxidation with H2 and O2 to propylene oxide (PO). Herein, we report a facile strategy to fabricate four different… read more here.
Keywords: direct propylene; size effects; crystal size; zeolite crystal ... See more keywords
Low-Temperature Propylene Epoxidation Activity of CuO–CeO2 Catalyst with CO + O2: Role of Metal–Support Interaction on the Reducibility and Catalytic Property of CuOx Species
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Physical Chemistry C"
DOI: 10.1021/acs.jpcc.0c00777
Abstract: Epoxidation of propylene into propylene oxide (PO) in gas phase is a highly challenging reaction. Cu based catalysts have been active for this reaction, but, the state of Cu as active species is st... read more here.
Keywords: low temperature; epoxidation activity; temperature propylene; epoxidation ... See more keywords
Effect of TS-1 Crystal Planes on the Catalytic Activity of Au/TS-1 for Direct Propylene Epoxidation with H2 and O2
Sign Up to like & getrecommendations! Published in 2020 at "ACS Sustainable Chemistry & Engineering"
DOI: 10.1021/acssuschemeng.9b07205
Abstract: In this work, we demonstrated that the TS-1 crystal planes affected the activity of nano-gold supported on TS-1 (denoted as Au/TS-1) for direct propylene epoxidation with H2 and O2. TS-1 with diffe... read more here.
Keywords: activity; crystal planes; direct propylene; propylene epoxidation ... See more keywords
Direct Propylene Epoxidation with Molecular Oxygen over Cobalt-Containing Zeolites.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.2c00792
Abstract: Direct propylene epoxidation with molecular oxygen is a dream reaction with 100% atom economy, but aerobic epoxidation is challenging because of the undesired over-oxidation and isomerization of epoxide products. Herein, we report the construction of… read more here.
Keywords: molecular oxygen; epoxidation; propylene; direct propylene ... See more keywords
The effect of acid treatment on the active sites and reaction intermediates of the low-cost TS-1 in propylene epoxidation
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DOI: 10.1039/c7ra02983g
Abstract: This study investigated the roles of the different titanium species of low-cost TS-1 in propylene epoxidation and the influence of acid treatments. The low-cost TS-1 zeolites with different titanium species were synthesized using the hydrothermal… read more here.
Keywords: low cost; epoxidation; titanium species; propylene epoxidation ... See more keywords