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Control Number310234
Date and Time of Latest Transaction20150706095038.AM
General Information150706s |||||||||b ||00|||
Cataloging SourceSTII-DOST
Local Call NumberScienceDirect
Main Entry - Personal NameXueyu Lin
 Wenjing Zhang
 Xiaosi Su
Title StatementTransport and fate modeling of nitrobenzene in groundwater after the Songhua River pollution accident by Wenjing Zhang, Xueyu Lin and Xiaosi Su
Physical Descriptionpages 2378-2384 computer file; text; 740kb
Summary, Etc.In 2005 a pollution accident occurred in the Songhua River, which is geographically located next to groundwater supply plants. This caused public concern about the transport and fate of nitrobenzene (NB) in the groundwater. This paper discusses the mechanisms and effects of the transport and fate of NB in groundwater based on pilot scale experiments conducted in the laboratory, including a simulation experiment, bench-scale batch tests and a one-dimensional numerical model. Parallel batch tests showed that the adsorption of NB to the clay and sand followed the Langmuir-type isotherm, and clay had a greater NB adsorption capacity than sand. NB biodegradation in different conditions was well fitted by the Monod equation and the q(max) values varied from 0.018 to 0.046 h(-1). Results indicated that NB's biodegradation was not affected by the initial NB concentration. Numerical modeling results indicated a good match between computed and observed data, and in the prediction model NB entered the groundwater after the pollution accident. However, the highest concentration of NB was much lower than the allowable limit set by the national standard (0.017 mg/L)
Subject Added Entry - Topical TermEnvironmental science
 Chemical Hazard Release
 Nitrobenzenes -- Analysis
 Adsorption
 Reference Standards
LocationDOST STII ScienceDirect NONPRINTS NP 14-15012 1 14-15012 Online/Download 2010-12-01
 
     
 
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Department of Science and Technology
Science and Technology Information InstituteScienceDirect
 
     
 
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