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A review on the aging phenomena of organic components and their mass transfer through the NAPL interfacial phase TEXT SIZE: A A A

LIU Lihua1,2* and Stefan Haderlein2
1 Key Laboratory of Renewable Energy and Gas Hydrate, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences,Guangzhou 510640, China
2 Eberhard-Karls-University of Tuebingen, Center for Applied Geoscience (ZAG), Tuebingen D-72076, Germany

Abstract It occurs worldwide that the organic components of non-aqueous phase liquid (NAPL) enter the porous medium and become the source of contaminants in the subsurface. The transport of the organic components through NAPL interphase into the aqueous phase and the subsurface determines the extent of contamination, the persistence of residual NAPL phases and the techniques of remediation. During the transport process the NAPL interphase may experience “aging”, a physical and chemical change when NAPL is exposed to aqueous and or gaseous phases. This aging process alters vice versa the mass transfer behaviour of the organic contaminants in the porous medium.

* Corresponding author, E-mail: liulh@ms.giec.ac.cn 

CHINESE JOURNAL OF GEOCHEMISTRY Vol. 32, No. 3, 2013, page 252-260

© Science Press and Institute of Geochemistry, CAS and Springer-Verlag Berlin Heidelberg 2013

 

 

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