Heavy Metals (Cu and Zn) Release Kinetics in a Sediment Sample from the Inlet of Baihua Lake, China

被引：3

作者：

Zhang, Jiping ^{[1
]}

Hu, Jiwei ^{[1
]}

Huang, Xianfei ^{[1
]}

Jin, Mei

Shen, Wei ^{[1
]}

Luo, Jin ^{[1
]}

机构：

[1] Guizhou Normal Univ, Guizhou Prov Key Lab Informat Syst Mt Areas & Pro, Guiyang 550001, Peoples R China

来源：

ADVANCES IN ENVIRONMENTAL ENGINEERING | 2012年 / 599卷

关键词：

Baihua Lake; inlet; sediment; heavy metals; release kinetics; environmental factors; ADSORPTION; POLLUTION; WATER;

D O I：

10.4028/www.scientific.net/AMR.599.81

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Release kinetics of two selected heavy metals (Cu and Zn) in a sediment sample collected from the inlet of Baihua Lake was determined. The results show that the double-constant equation was considered as the best-fit equations describing the relationship of Cu and Zn release and time in the sediment from the inlet of the lake (R-2 = 0.9759, 0.9226, P<0.01). The effects of temperature, acidity, salinity, and the water/soil ratio on the releasing of heavy metals in sediment sample were also investigated. The heavy metals release would increase as the temperature increased. A low pH value could promote the heavy metals release. The heavy metals in the sediment tended to be released under a relatively high salinity condition. The amount of the heavy metals released from the sediment decreased with the increase of the water/soil ratio.

引用

页码：81 / 85

页数：5

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