Journal of Environmental Protection

Volume 7, Issue 13 (December 2016)

ISSN Print: 2152-2197   ISSN Online: 2152-2219

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Form Distribution Characteristics of Nitrogen in a Reservoir as Drinking Water Source

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DOI: 10.4236/jep.2016.713156    1,025 Downloads   1,414 Views  Citations

ABSTRACT

Based on field detected water quality data, the distribution characteristics of different forms of nitrogen in a reservoir as drinking water source in Dongguan, which locates at the Pearl River Delta of China, have been analyzed in order to provide theoretical bases for prevention and reduction of eutrophication. The analyzed results show that nitrogen forms in the influent area of the reservoir are given priority to ammonia nitrogen and nitrate nitrogen, whose proportion is more than 45% respectively, and this is probably caused by the pollution of inflow water quality; but in the effluent area, the forms are given priority to nitrate nitrogen, whose proportion is as high as 96% and above; also the proportion of ammonia nitrogen drops by more than 80% during the process from the influent area to the effluent area, and this shows that the natural process of nitrification and denitrification can be well accomplished in the reservoir. We recommend here that to reduce the input amount of ammonia nitrogen and organic nitrogen into the reservoir is the most efficient way to prevent or mitigate eutrophication of water body.

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Jin, L. , Zhao, C. and Wang, J. (2016) Form Distribution Characteristics of Nitrogen in a Reservoir as Drinking Water Source. Journal of Environmental Protection, 7, 2018-2024. doi: 10.4236/jep.2016.713156.

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