Abstract:Nonionic surfactants are increasingly being applied in oil recovery processes due to their stability and low adsorption onto mineral surfaces. However, these surfactants lead to the production of emulsified oil that is extremely stable and difficult to separate by conventional methods. This research characterizes the stability of crude oil mixed with a nonionic surfactant, L24-22, in a brine solution. When subjected to gravity separation, a middle oil-rich and bottom waterrich emulsion are generated for variou… Show more
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