Sorption properties of light hydrocarbon-contaminated clay under defined conditions

Tóth, Judit and Knapp, Erika (2007) Sorption properties of light hydrocarbon-contaminated clay under defined conditions. Central European Geology, 50 (1). pp. 79-94. ISSN 1788-2281

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Abstract

Abstract Risk assessments and remediation plans of hydrocarbon-contaminated sites usually have been managed based on total petroleum hydrocarbon (TPH) content. Gasoline is one of the most mobile pollution agents, which consist mainly of light hydrocarbons. Measuring of TPH does not give enough information about the individual compounds. Another problem is using solvents such as n-hexane for extraction. In some cases we would like to know about the hydrocarbon-adsorption properties of contaminated samples. The article describes a laboratory model for hydrocarbon contamination modeling, and measuring hydrocarbon sorption properties. For modeling the authors have chosen gasoline type hydrocarbon, homogeneous sand and clay samples from the Kiscell Clay Formation. Results of the modeling indicate that the referenced ATD-GC/MS method can be a very effective tool in the risk assessment of hydrocarbon-contaminated areas.

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