Chemical characteristics and risk assessment of typical municipal solid waste incineration (MSWI) fly ash in China

• Published in: Journal of hazardous materials Vol. 261; pp. 269 - 276
• Main Authors: Pan, Yun, Wu, Zhiming, Zhou, Jizhi, Zhao, Jun, Ruan, Xiuxiu, Liu, Jianyong, Qian, Guangren
• Format: Journal Article
• Language: English
• Published: Kidlington Elsevier B.V 15.10.2013; Elsevier
• Subjects: Applied sciences; cadmium; Chemical characteristics; Chemical engineering; chemical speciation; China; Coal Ash - analysis; Crystallization, leaching, miscellaneous separations; Environmental Pollutants - analysis; Exact sciences and technology; fly ash; General treatment and storage processes; Heavy metals; Incineration; leaching; lead; Metals, Heavy - analysis; MSWI fly ash; municipal solid waste; Pollution; Principal component analysis; risk; Risk Assessment; Risk assessment code; Safety; Solid Waste; toxicity; Urban and domestic wastes; waste incineration; Wastes; zinc; China; MSWI fly ash; Risk assessment code; Heavy metals; Chemical characteristics; Principal component analysis; Waste dumping; Heat treatment; Pollutant behavior; Toxicity; Urban waste; Mobility; Risk analysis; Heavy metal; Transport process; Fly ash; Incineration; Risk assessment; Solid waste; Lead; Lixiviation; Speciation

•Fly ashes from 15 MSWI plants were collected all over China.•Excessive leaching of Zn, Pb and Cd were observed in over 40% of samples.•The mobility of heavy metal was strongly relative to their acid soluble fraction.•Cd and Pb posed a very high risk to the environment. The release of heavy metals i...