Research on the Influence of Overlying Water pH to the Sediment Release

Xi Liu; Ping Xian; Ze Wei Wen; Tao Xiang; Long Hui Yang; Meng Fei Guo

doi:10.4028/www.scientific.net/AMM.675-677.556

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 675-677Research on the Influence of Overlying Water pH to...

Research on the Influence of Overlying Water pH to the Sediment Release

Abstract:

The results are shown that: When the overlying water pH is 7.0, the least impact of nitrogen, phosphorus and organic matter release in sediment. Under the neutral condition, after sediment release in deionized water NH₃-N concentration was 1.86 mg.L^-1, TP was 0.09 mg.L^-1, COD was 22.2 mg.L^-1 . In the nature water sediment release experiment, compared with no adjustment of pH the NH₃-N emissions reduce by 9.4%, the sediment adsorbs TP from water increases 2.3 times. Through a period of a month typical lake quality monitoring found that there is presence of sediment NH₃-N release into the overlying water and sediment adsorb TP from the overlying water.

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Periodical:

Applied Mechanics and Materials (Volumes 675-677)

Pages:

556-562

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.675-677.556

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Online since:

October 2014

Authors:

Xi Liu, Ping Xian*, Ze Wei Wen, Tao Xiang, Long Hui Yang, Meng Fei Guo

Keywords:

Ammonia Nitrogen (NH₃-N), COD, Landscape Lake, Organic Matter, Sediment Release, Total Phosphorus (TP)

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* - Corresponding Author

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