PMID: 11934118Apr 6, 2002Paper

Effect of soil texture on surfactant-based remediation of hydrophobic organic-contaminated soil

Environment International
Dal-Heui LeeSangil Choi

Abstract

Surfactants may be used in remediation of subsoil and aquifer contaminated with hydrophobic compounds. The objectives of this study were to examine the effect of soil texture on hydrophobic organic contaminant (HOC; toluene, or 1,2,4-trichlorobenzene [TCB]) removal from six soils and to evaluate the optimal composition of soil texture for maximum HOC removal using aqueous surfactant solution. Selected surfactants were 4% (vol/vol) sodium diphenyl oxide disulfonate (DOSL) and 4% (wt/vol) sodium lauryl sulfate (LS). Toluene and TCB were selected as the lighter-than-water nonaqueous phase liquid (LNAPL) and denser-than-water nonaqueous phase liquid (DNAPL) model substances, respectively. Soil types used for this study were Ottawa sand and five Iowa soils (Fruitfield, Keomah, Crippin, Webster, and Galvar). The greatest recovery of toluene and TCB in batch tests was 73% and 84%, respectively, which was obtained with DOSL surfactant in Ottawa sand. The toluene removal of 95% in column tests has been achieved in the Ottawa sand and three Iowa soils (Fruitfield, Keomah, Crippin) with DOSL after effluent volume of 3750 ml (about 32 pore volume) passed. TCB removal of 98% in column tests has been achieved in Ottawa sand and three Iowa so...Continue Reading

References

Dec 1, 1995·Environmental Science & Technology·B J ShiauJ H Harwell
Apr 1, 1995·Environmental Science & Technology·Z Adeel, R G Luthy

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Citations

Jun 27, 2014·Environmental Science and Pollution Research International·Jie LiuXiaodong Li
Jan 20, 2016·Journal of Hazardous Materials·Barbora DousovaRadka Boubinova
Jul 10, 2012·Journal of Hazardous Materials·Ngo Thi Thuan, Moo Been Chang
May 29, 2007·Journal of Hazardous Materials·M J Sánchez-MartínM S Rodríguez-Cruz
Jan 22, 2005·Environment International·Maria S KuyukinaJames C Philp
Apr 8, 2015·Environmental Science and Pollution Research International·Anhua Long, Hui Zhang
Mar 8, 2005·Environmental Pollution·Pellegrino ConteAlessandro Piccolo
Oct 17, 2014·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Mahmoud D Eljack, Abul Hussam
Dec 17, 2008·Journal of Hazardous Materials·Hudson J B CoutoGeraldo L Sant'Anna
Mar 11, 2020·Chemosphere·Dale R Van StempvoortUNKNOWN Watershed Hydrology and Ecology Research Division
Sep 5, 2021·Environmental Science and Pollution Research International·Emilio RitoréJosé Usero

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