Surfactant leaching (decontamination)

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]

## References

1. ↑ 1.0 1.1 Environmental Biotechnology: Principles and Applications, p. 272
2. ↑ 2.0 2.1 Knudsen O. Ø., P.J. Brandvik, A. Lewis, "Treating oil spills with W/O emulsion inhibitors: A laboratory study of surfactant leaching from the oil to the water phase", in: Proceedings of the Seventeenth Arctic and Marine Oilspill Program Technical Seminar, 1994, pp. 1023-1034
3. ↑ 3.0 3.1 3.2 Hydrocarbon Contaminated Soils, Volume 3, pp. 15,16

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