Pretreatment of Crude Oil by Ultrasonic-electric United Desalting

Crude oil is a kind of complicated mixture and
commonly contains water and a large quantity of salts
[1-3]. Water in crude oil makes the pipeline and the
refining processes to be costly and even may cause oil
refining process unsteady. Salts, such as sodium,
magnesium, and calcium chlorides, in crude oil may
corrode the downstream equipments
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