Effect of humic acid on transformation of soil heavy metals

被引：26
|
作者：
Wu, Shengzhe [1 ]
Li, Rui [1 ]
Peng, Shuyang [1 ]
Liu, Qiuyong [1 ]
Zhu, Xi [1 ]
机构：
[1] Zhongnan Univ Econ & Law, Sch Informat & Safety Engn, Wuhan 430073, Hubei, Peoples R China
来源：
4TH INTERNATIONAL CONFERENCE ON ADVANCED COMPOSITE MATERIALS AND MANUFACTURING ENGINEERING 2017 | 2017年 / 207卷
关键词：
D O I：
10.1088/1757-899X/207/1/012089
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The pattern of transformation among different fractions of heavy metals in soil draws great attention. This article investigated the effect of humic acid on soil heavy metal under different pH and temperature. The results showed that with the increasing of the concentration of humic acid, the concentration of available Cu, Pb decreased greatly, though the decrease of available Cd was light. Also, pH of soil had certain impact on the concentration of available Cu, Pb, Cd while the influence of environmental temperature was minor. The removal efficiency of contaminated soil was 57.283% (Cu), 2.645% (Cd) and 15.485% (Pb) while it could reach more than 98% in contaminated solution.
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页数：7
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