Journal
CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION
Volume 177, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cep.2022.108993
Keywords
Glycerol; Cinnamaldehyde; Phosphotungstic acid; NaY
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The study found that phosphotungstic acid encapsulated on NaY catalysts could effectively catalyze the reaction between glycerol and cinnamaldehyde at 100℃, and the activity increased with an increasing amount of phosphotungstic acid. The NaY-PW4 material showed the highest conversion rate and catalytic stability.
Glycerol was reacted with cinnamaldehyde over phosphotungstic acid (PW) encapsulated on NaY at 100?. Catalysts containing different PW contents were prepared. The activity increased with an increasing amount of PW encapsulated on NaY, and the use of the NaY-PW4 (0.121 gpw/gNaY) material resulted in a superior conversion compared to those obtained using the other materials. After 5 h, the conversion of glycerol was 89% at 100? using 0.3 g of catalyst and a glycerol:cinnamaldehyde molar ratio of 1:2.25. Furthermore, NaY-PW4 exhibited a good catalytic stability.
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