Abstract
Emulsions are undesirable in the petroleum industry because they frequently cause equipment corrosion, high-pressure drop in pipelines, high pumping costs, and catalyst poisoning in upstream facilities, all of which add to the overall production cost. Surface-active compounds called demulsifiers are frequently used to manage petroleum emulsions. Demulsifiers can disrupt the interface between water and oil, separating the two into separate phases. This research intends to identify emulsion formation methods and reasons for emulsion stability, as well as demulsification techniques employed in recent years and the characteristics influencing the demulsification process. demulsification procedures are classified into two types: physical and chemical methods, which we will discuss more in this review.
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