Abstract:

Combined with the application of hot gas bypass in the propylene distillation unit of the megaton ethylene plant at PetroChina Dushanzi Petrochemical Company, this paper introduces the operating principle and practical experience of hot gas bypass method, and summarizes a better application and operation method for the hot gas bypass method, so as to achieve a smooth, high-efficiency and energy-saving operation.

Key words: propylene distillation, hot gas bypass, application deviation