Abstract
Directional synthesis of bio-based light olefins has great significance for promoting sustainable development of chemical industry. Present work proves that light olefins can be selectively prepared from the cellulose-derived acetonebutanol-ethanol. This transformation has been achieved by coupling cellulose fermentation and acetone-butanolethanol catalytic dehydration over the Ce@SAPO-34 catalyst. The active sites and reusability of the catalyst were investigated. High acetone-butanolethanol conversion (91.9%) and high olefin selectivity (86.1%) are achieved. Based on the study of the individual components in acetone-butanol-ethanol, the reaction pathways are put forward.
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