Purification process of propane distillate oil, the bottom product of propylene rectifying column in the Ethylene Works of PetroChina Liaoyang Petrochemical Company, is introduced.

• 介绍了中国石油辽阳石化分公司乙烯厂丙烯精馏塔塔底油-丙烷馏分油的精制工艺。