4.7 Article

Comparison of MSWI fly ash from grate-type and circulating fluidized bed incinerators under landfill leachate corrosion scenarios: the long-term leaching behavior and speciation of heavy metals

Journal

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
Volume 29, Issue 10, Pages 15057-15067

Publisher

SPRINGER HEIDELBERG
DOI: 10.1007/s11356-021-16618-z

Keywords

MSWI fly ash; Incinerator type; Landfill leachate corrosion; Heavy metal leaching; Leaching behavior; Speciation distribution

Funding

  1. National Key Research and Development Program of China [2018YFC1901302, 2018YFF0215001, 2017YFC0703100]
  2. Innovative Research Groups of the National Natural Science Foundation of China [51621005]
  3. Jiangsu Provincial Natural Science Foundation of China [BK20201032]

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The long-term leaching behaviors of heavy metals in municipal solid waste incineration fly ash samples from GT and CFB incinerators were compared under a simulated landfill leachate corrosion scenario, which was found to be more severe than acid rain corrosion. Total heavy metal contents showed increasing hierarchies of Ni.
In this study, the long-term leaching behaviors of Cd, Cr, Cu, Ni, Pb, and Zn in municipal solid waste incineration (MSWI) fly ash samples from grate-type (GT) and circulating fluidized bed (CFB) incinerators were investigated and compared under the simulated landfill leachate corrosion scenario, which was determined to be more severe than the acid rain corrosion scenario. The total heavy metal contents showed increasing hierarchies of Ni

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