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。
non-azeotropic refrigerant mixtures r23/r22 is used as working fluid. the rectifying column is employed to separate high boiling component, low boiling component and lubricant.
本文的循环采用非共沸混合工质r23/r22作制冷剂,利用精馏装置分离高沸点、润滑油与低沸点组分。
in many cases, a rectifying column with reflux is used to improve the performance of the batch still.
在许多情况下,用带有回流的精馏塔以改善间歇釜的分离性能。