Research Progress in the Methanol to Olefin(MTO)Technology
The conversion of methanol to olefins(MTO)is one of the most important reactions in C1 chemistry,providing a pathway for non petroleum production of basic petrochemical products.Since the 1970s,the process of converting methanol to olefins has been developed and commercialized.Many research institutions and companies have made tremendous efforts in studying the mechanism of MTO reaction,and have used shape selective catalysts such as ZSM-5 and SAPO-34 in the development of MTO process to achieve high selectivity for efficient conversion of methanol to light olefins,ethylene and propylene.This article first provides a brief overview of the development of MTO technology,discussing the reaction mechanism of initial carbon carbon bond formation in the early stage of MTO reaction,indirect reaction mechanism,complex reactions of methanol conversion on zeolite and zeolite catalysts,and deactivation of MTO reaction.
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