Engineering
8 years ago

Toxic Shanghai fly ash poses risk for disposal, requires careful handling.

Chemical engineer
The property of municipal solid waste incineration(MSWI) fly ash from Shanghai
Yibin Lu

Paper Summary

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MSWI fly ash from Shanghai contains high levels of toxic substances and needs safe disposal. The properties of the fly ash, like chemical composition and heavy metal leachability, vary depending on the location. Fly ash from S.H. Yuqiao incinerators in Shanghai has a high SiO2 content, making it suitable for vitrification. However, heavy metals in the ash can easily vaporize during vitrification, posing a challenge for disposal.