NDLI: Study on the Model of Organic Contaminant Transportation and Biodegradation in Unsaturated Soil

Content Provider	IEEE Xplore Digital Library
Author	Zhao Ying Xue Qiang Liu Lei Zhao Ying Liang Bing Liu Lei
Copyright Year	2008
Description	Author affiliation: State Key Lab. of Geomech. & Geotech. Eng., Chinese Acad. of Sci., Wuhan (Zhao Ying; Xue Qiang; Liu Lei)
Abstract	In order to obtain the regularities of organic contaminant distribution in soil environment, the model for describing the interaction, transportation and transformation of organic contaminant, electron acceptor and bacteria was established based the soil water dynamics, the theory of solute transportation and the principle of micro-biological degradation by using double Monod micro-biological degradation. The numerical simulation analysis was performed taking benzene for example. The simulation indicates that with the increasing of contaminant concentration and the reducing of dissolved oxygen concentration, the bacterium concentration increases first and then reduces; the bacteria chiefly aggregate in the zone that both the nutrient concentration and oxygen concentration are higher, and the aggregation area moves down with the time increasing; the contaminant concentration, the dissolved oxygen concentration and the bacterium concentration have high relevance with each other.
Starting Page	4141
Ending Page	4144
File Size	132241
Page Count	4
File Format	PDF
ISBN	9781424417476
DOI	10.1109/ICBBE.2008.536
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Biodegradation Microorganisms Transportation Soil Numerical simulation Performance analysis Mathematical model Contamination Thermal degradation Electrons
Content Type	Text
Resource Type	Article

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