Journal
CATALYSIS COMMUNICATIONS
Volume 152, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.catcom.2021.106287
Keywords
Glycerol; Mesoporous ZrO2; Acetalization; Biomass; Biodiesel
Categories
Funding
- National Research Foundation [NRF-TWAS: 105463]
- World Academy of Science of South Africa [NRF-TWAS: 105463]
- University of Johannesburg
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Mesoporous ZrO2 exhibits good stability and selectivity in glycerol acetalization with aldehydes, with a selectivity of over 50% to 1,3-dioxane. This performance is attributed to its high surface area and Lewis acidity. The green application of meso-ZrO2 catalysts for sustainable acetalization of glycerol may be easily extended to other bio-based industrial processes.
The drastic surplus of glycerol resulting from biodiesel production requires an effective catalytic valorization to ensure biodiesel industry's sustainability. Herein, a series of highly crystalline ZrO2 with mesopore structure were prepared via the inverse micelle technique. Under mild conditions, meso-ZrO2 showed good stability and selectivity to 1,3-dioxane larger than 50% in the solvent-free glycerol acetalization with aldehydes. The performance was attributed to the high surface area and Lewis acidity. We believe that the green application of meso-ZrO2 catalysts for the sustainable acetalization of glycerol herein reported might be easily extended to other bio-based industrial processes.
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