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  5. Removal of Heavy Metals in Effluent by Adsorption and Coagulation

Removal of Heavy Metals in Effluent by Adsorption and Coagulation

来源 :中国化学快报（英文版） | 被引量 : 0次 | 上传用户：bladehit
【摘 要】
：
The silicate colloids with an average diameter 100 nm, were prepared by the hydrolysis of tetraethoxysilane (TES), NH4OH (30%) and then modified by (3-mercaptop
【作 者】
：
Feng Ting LI Xia LI Bing Ru ZH 
【机 构】
：
State Key Laboratory of Pollution Control and Resource Reuse Tongji University
【出 处】
：
中国化学快报（英文版）
【发表日期】
：
2004年期
【关键词】
：
Silicate colloid modification adsorption heavy metals coagulation 
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The silicate colloids with an average diameter 100 nm, 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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