引滦输水河道尾矿砂-上覆水-沉积物磷平衡特性研究

Journal of Tianjin Agricultural University ›› 2016, Vol. 23 ›› Issue (3): 11-14.

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Study on Phosphorus Balance Features between Mine Tailings Soil,Overlying Water and Sediments of Luanhe River

ZHENG Zhi-wei¹, ZHANG Tong-yu², LI Jin-zhong², LI Xue-ju²

1. College of Hydraulic Engineering, Tianjin Agricultural University, Tianjin 300384, China;
2. Tianjin Hydraulic Research Institute, Tianjin 300061, China

Received:2016-03-16 Online:2016-09-20 Published:2019-10-14

Abstract

Abstract: To study the phosphorus balance characteristics between mine tailings soil, overlying water and the sediments, phosphorus release experiment, static simulation experiment and dynamic simulation experiment were done in the lab. The results show that releases of phosphorus in the mine tailings sand is small. Three different amount of mine tailings soil of oscillation 7 days can remove PO₄-P in the overlying water more than 90％and the effect is obvious. With the influence of the environment factors of anaerobic and alkaline, mine tailings soil can not inhibit the biological available phosphorus in sediment into the overlying water. The concentration of phosphate in the overlying water increase significantly. The amount of Phosphorus release is larger in acid and alkali. The amount of Phosphorus release is minimal in neutral.

Key words: Luanhe river, mine tailings soil, overlying water, sediment, balance

CLC Number:

X522
X53

ZHENG Zhi-wei, ZHANG Tong-yu, LI Jin-zhong, LI Xue-ju. Study on Phosphorus Balance Features between Mine Tailings Soil,Overlying Water and Sediments of Luanhe River[J]. Journal of Tianjin Agricultural University, 2016, 23(3): 11-14.

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Study on Phosphorus Balance Features between Mine Tailings Soil,Overlying Water and Sediments of Luanhe River

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