Chapter2 One-step Refining of Crude Oil原油的一次加工原油的一次加工Ma tingxiaDevice and Equipment Profile of the Refining System炼油系统的装置与设备概况炼油系统的装置与设备概况SectionI Crude Oil Desalting and Dehydration原油脱盐、脱水原油脱盐、脱水Device and Equipment Profile of the Refining System Crude oil which is mined from the oil field contains water,inorganic salts,organic acid salt,metal-organic compounds,silt particle and other impurities,which in the subsequent processing operations can lead to the increase of energy consumption,equipme