Production Technology of Polymethoxy Dimethyl Ether Plant (Reaction Distillation Method)

Technical Introduction for Production Technology of Polymethoxy Dimethyl Ether (Reaction Distillation Method)

Hubei Sanli Fengxiang Technology Co., Ltd. has always been committed to extending formaldehyde and its downstream products, actively improving the comprehensive utilization rate of formaldehyde resources through the expansion of the downstream industry chain, effectively reducing the comprehensive production costs of formaldehyde enterprises, and promoting the transformation and upgrading of the formaldehyde industry. After years of research and development of formaldehyde downstream polymethoxy dimethyl ether (DMMn) with China University of Petroleum (East China), and through the use of methyl acetal, The first generation of solid polycondensation as raw materials, and the second generation of formaldehyde and methylal as raw materials, have finally developed and piloted a new generation of DMMn production technology that directly uses methanol and formaldehyde as raw materials, and have completed the construction of pilot plants.

This process uses methanol and formaldehyde as raw materials to pass through a new type of specialized bed reactor with special internal configuration developed by China University of Petroleum (East China), and then undergoes reaction distillation, coupled distillation, extraction distillation, pressure swing distillation, and other technologies to finally obtain the product. And through multi-level separation engineering and technology, products can be produced in various combinations of DMM2, DMM3-4, DMM3-5, and DMM3-6, which can be flexibly adjusted according to market and downstream conditions.