Mechanisms of Natural Toluene Attenuation in Btex-Contaminated Groundwater


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Natural attenuation that follows first-order kinetics occurs in groundwater contaminated by BTEX monoaromatic hydrocarbons (benzene, toluene, ethylbenzene, xylenes). Various mechanisms such as adsorption, biodegradation, volatilization, dilution, convection, etc. can contribute to the attenuation. The contribution of each mechanism to the overall toluene attenuation process was assessed. It was established that adsorption played the most important role and was followed by dilution, convection, diffusion, and other effects. The contribution of volatilization was not as significant at 1.78%; of biodegradation, 3.34%.

Sobre autores

Rui Zhou

Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University

Autor responsável pela correspondência
Email: zhour@jlu.edu.cn
República Popular da China, Changchun

Ying Chang

Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University

Email: zhour@jlu.edu.cn
República Popular da China, Changchun

Yan Zhao

Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University

Email: zhour@jlu.edu.cn
República Popular da China, Changchun

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