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Tianlin Ma,Manyun Yin,Chunyang Su,Ningfei Guo,Xiangxiang Huang,Zhen Han,Yujie Wang,Gangling Chen,Zhi Yun 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.117 No.-
The surplus production of glycerol as a byproduct of biodiesel has become an urgent problem for the sustainabilityof the biodiesel industry. The catalytic transformation of glycerol to value-added chemicalshas attracted the attention of researchers worldwide over the last decade. Among them, selective dehydrationof glycerol to acrolein has gained interest from both academic researchers and industrial applications. Molecular sieves have been considered as the most promising catalysts for industrialapplications of glycerol dehydration. However, there is no systematic summary for the research carriedout for this reaction over molecular sieve catalysts. This work provides a comprehensive and criticalreview of glycerol dehydration to acrolein over molecular sieve catalysts, including ZSM-5, ZSM-11,MCM-22, MCM-41, SBA-15, SAPO-34, HY and Hb. The key technical problems that restrict its industrialapplication are the easy coking and poor stability of the molecular sieves. In particular, the pore size, porestructure, acid amount, acid strength, acid type and reaction conditions that influence the dehydrationperformance are discussed in detail. Furthermore, the reaction mechanism, reaction kinetics, reactionthermodynamics and future research directions for catalyst design and engineering are also presented. This review will deepen our understanding of the catalytic dehydration of glycerol to acrolein and provideguidance for researchers on the rational design of molecular sieve catalysts.
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