Surfactant leaching is a method of water and soil decontamination,[1][2] e.g., for oil recovery in petroleum industry.[3][2] It involves mixing of contaminated water or soil with surfactants with the subsequent leaching of emulsified contaminants.[1][3] In oil recovery, most common surfactant types are ethoxylated alcohols, ethoxylated nonylphenols, sulphates, sulphonates, and biosurfactants.[3]
Original source: https://en.wikipedia.org/wiki/Surfactant leaching (decontamination).
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