Evaluation Of Different Passivators For The Immobilization Of Heavy Metals In Contaminated Soils

被引：3

作者：

Li, Darong ^{[1
]}

Wang, Yinghui ^{[1
]}

Chen, Jianhua ^{[2
]}

Li, Qiujun ^{[1
]}

Wang, Weisheng ^{[1
]}

Huang, Wenyu ^{[1
]}

Leng, Bing ^{[1
]}

机构：

[1] Guangxi Univ, Sch Environm Studies, Nanning 530004, Peoples R China

[2] Guangxi Univ, Sch Resources & Metalurgy, Nanning 530004, Peoples R China

来源：

SUSTAINABLE DEVELOPMENT AND ENVIRONMENT II, PTS 1 AND 2 | 2013年 / 409-410卷

关键词：

heavy metals; hydrated lime; potassium dihydrogen phosphate; straw ash; silkworm excrement; organic-inorganic complex;

D O I：

10.4028/www.scientific.net/AMM.409-410.160

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The effects of hydrated lime, potassium dihydrogen phosphate, straw ash and silkworm excrement on the extractability of heavy metals, pH and organic matter content in soil were studied. The results showed that the application of the four organic-inorganic complex treatments decreased the concentration of available Pb by 22.2 to 48.9 percent, and reduced the concentration of available Cd by 29.1 to 58.4 percent, which was obviously superior to the single organic or inorganic treatments. The addition of hydrated lime had the greatest effects on soil pH, while the application of silkworm excrement significantly increased the organic matter content in soil.

引用

页码：160 / +

页数：2

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