The south crude distillation unit in Liaohe Petrochemical Company mainly processes high-acid-value, corrosive and low-freezing-point naphtheniccrude oils after revamping.
辽河分公司南蒸馏装置改造之后，主要加工高酸值、强腐蚀性的低凝环烷基原油。
2
Naphthenic acid corrosion is the tough problem in processing high-acidity crude.
环烷酸腐蚀是炼制高酸值原油时遇到的一个难题。
3
It can be an economical and effective method for extracting naphthenic acids from the heavy oil fractions of Xinjiang crude oil.