Study on Process Optimization of Co-production of Propylene Glycol by Transesterification
The process optimization of distillation unit for co-production of propylene glycol by transesterification was studied.Firstly,the principle and process flow of co-production of propylene glycol by transesterification were introduced.Aiming at the problem of easy blockage in the process of propylene glycol distillation,the stability and continuity of propylene glycol distillation process were improved by adjusting the process parameters of propylene glycol distillation purification and carbonization production device and optimizing the existing process flow,so as to improve the production efficiency of propylene glycol.
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