Characterization of Heavy Metals in Municipal Solid Waste Incineration (MSWI) Slag

被引：0
|
作者：
Zhang, Haiying [1 ]
Zheng, Yi [1 ]
Hu, Hongtao [1 ]
Qi, Jingyu [2 ]
机构：
[1] Shanghai Inst Technol, Dept Environm Engn, Shanghai, Peoples R China
[2] Tongji Univ, Analyt Ctr, Shanghai, Peoples R China
来源：
ADVANCED MATERIALS AND COMPUTER SCIENCE, PTS 1-3 | 2011年 / 474-476卷
关键词：
MSWI slag; heavy metals; leaching toxicity; leaching behavior; BOTTOM ASH; FLY-ASH; RESIDUES; JAPAN;
D O I：
10.4028/www.scientific.net/KEM.474-476.1087
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
This work was done to develop a methodology for analysis of heavy metals in municipal solid waste incineration (MSWI) slag. It performed analysis of heavy metal content, leaching concentration as a function of pH and vibration time. It was found that content of heavy metals followed the decreasing sequence of Zn > Pb > Cu > Cd. Proper vibration time period was 1.0 h for extraction of theses metals, and their leaching concentrations increased with increasing pH from 1 to 11. Hence, an acidic environment could enhance leaching of the four heavy metals.
引用
收藏
页码：1087 / +
页数：2
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