Synergism in the desorption of polycyclic aromatic hydrocarbons from soil models by mixed surfactant solutions

Sales, Pablo S.; Fernández, Mariana A.

Synergism in the desorption of polycyclic aromatic hydrocarbons from soil models by mixed surfactant solutions

2016

Sales, Pablo S. | Fernández, Mariana A.

This study investigates the effect of a mixed surfactant system on the desorption of polycyclic aromatic hydrocarbons (PAHs) from soil model systems. The interaction of a non-ionic surfactant, Tween 80, and an anionic one, sodium laurate, forming mixed micelles, produces several beneficial effects, including reduction of adsorption onto solid of the non-ionic surfactant, decrease in the precipitation of the fatty acid salt, and synergism to solubilize PAHs from solids compared with individual surfactants.

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