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

Hai Ying Zhang; Yi Zheng; Hong Tao Hu; Jing Yu Qi

doi:10.4028/www.scientific.net/KEM.474-476.1087

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 474-476Characterization of Heavy Metals in Municipal...

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

Abstract:

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.

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Periodical:

Key Engineering Materials (Volumes 474-476)

Pages:

1087-1092

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.474-476.1087

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Online since:

April 2011

Authors:

Hai Ying Zhang, Yi Zheng, Hong Tao Hu, Jing Yu Qi

Keywords:

Heavy Metal, Leaching Behaviour, Leaching Toxicity, MSWI Slag

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