文档介绍：Estimation Method of Denitrification Rate Constant
in Aquifer
CHENG Donghui LIU Mingzhu, CHEN Honghan, HE Jiangtao
College of Environmental Sciences and Engineering School of Water Resources and Environment
Chang’an University China University of Geosciences
Xi’an, China Beijing, China
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HE Guoping LIN Jian
Beijing Institute of Water Beijing Institute of Geological Engineering
Beijing Municipal Bureau of Water Authority Beijing Municipal Bureau of Geology and Minerals
Beijing, China Prospecting and Exploration
Beijing, China
Abstract—The concentration variation of the nitrate ion in estimating denitrification rate constant with field data in
aquifer is influenced by not only the denitrification, but the aquifer.
recharge dilution, sorption of aquifer, etc, thus it is difficult to
calculate the denitrification rate directly. In this paper, the
II. REFERANCE ION
methods of identifying the denitrification and estimation of
denitrification rate constant were proposed using the field data in Denitrification in groundwater system is the process of
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aquifer. Chloride ion, which is more conservative than others transferring NO3 N into N2O or N2 under the microbial action,
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ions, was selected as reference ion to indicate the variation of and its direct exhibition is the decrease of NO3 N in
nitrate ion conce