Removal of heavy metals in effluent by adsorption and coagulation

被引：0
|
作者：
Li, FT [1 ]
Li, X [1 ]
Zhang, BR [1 ]
Ouyang, QH [1 ]
机构：
[1] Tongji Univ, State Key Lab Pollut Control & Resource Reuse, Shanghai 200092, Peoples R China
来源：
CHINESE CHEMICAL LETTERS | 2004年 / 15卷 / 01期
关键词：
silicate colloid; modification; adsorption; heavy metals; coagulation;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The silicate colloids with an average diameter 100 rim, were prepared by the hydrolysis of tetraethoxysilane (TES), NH4OH (30%) and then modified by (3-mercaptopropyl) trimethoxysilane (APS). The colloids can adsorb heavy metals such as Pb and Cr in effluent and after adsorption the colloids can be separated by coagulation of aluminum sulfate. The removal of heavy metals is up to 99%.
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页码：83 / 86
页数：4
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