Soil flushing of cresols contaminated soil: application of nonionic and ionic surfactants under different pH and concentrations
作者： Saeid Gitipour , Khadijeh Narenjkar , Emad Sanati Farvash , Hossein Asghari
DOI: 10.1186/S40201-014-0129-Z
关键词:
摘要: In this study, the viability of soil flushing on removal cresols (meta-, ortho-, and para-cresols) from contaminated has been investigated. High production distribution in environment indicate their potential for a widespread exposure to humans. The presence these compounds could cause significant threat environment, as they are toxic refractory nature. Cresols persistent chemicals which classified by United State Environmental Protection Agency (U.S.EPA) Group C, possible human carcinogens. Soil is one remediation technologies applied treatment hydrocarbon soil. Flushing samples was carried out using sodium dodecyl sulfate (SDS) Triton X-100 surfactant solutions at concentrations 0.1%, 0.2%, 0.3%, 0.4% (W/W). Three acidic, neutral, alkaline environments were utilized adjusting pH washing 3, 7 12 evaluate effect removing cresols. results research denote that highest efficiencies 79.6% 83.51% achieved m-cresol total o- p-cresols, respectively, under pH12 (W/W) SDS concentration. Regarding performance X-100, 80.26% 80.14% above attained similar conditions. Hence, illustrating effectiveness surfactants
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