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

• Published in: Environmental science and pollution research international Vol. 23; no. 10; pp. 10158 - 10164
• Main Authors: Sales, Pablo S., Fernández, Mariana A.
• Format: Journal Article
• Language: English
• Published: Berlin/Heidelberg Springer Berlin Heidelberg 01-05-2016; Springer Nature B.V
• Subjects: Adsorption; Aquatic Pollution; Atmospheric Protection/Air Quality Control/Air Pollution; Desorption; Earth and Environmental Science; Ecotoxicology; Environment; Environmental Chemistry; Environmental Health; Environmental Restoration and Remediation - methods; Fatty acids; Micelles; Models, Theoretical; Pollutants; Polycyclic aromatic hydrocarbons; Polycyclic Aromatic Hydrocarbons - chemistry; Polysorbates; Research Article; Sediments; Sodium; Soil - chemistry; Soil contamination; Soil Pollutants - analysis; Solubility; Solutions; Surface-Active Agents; Surfactants; Synergism; Waste Water Technology; Water Management; Water Pollution Control; Extraction; Adsorption; Solubilization; Synergism; Polycyclic aromatic hydrocarbon; Mixed surfactants
• ISSN: 0944-1344; 1614-7499
• DOI: 10.1007/s11356-016-6242-z

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.