ArticleEnvironmental science and pollution research international2020
Analysis of melting reconstruction treatment and cement solidification on ultra-risk municipal solid waste incinerator fly ash-blast furnace slag mixtures.
Article in Environmental science and pollution research international, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Article
- Chemical stabilization of heavy metals in municipal solid waste incineration fly ash: a review.Environmental science and pollution research international · 2022Review
- Regional disparity in clinker emission factors and their potential reduction in China.Environmental science and pollution research international · 2021Article
- Removal of heavy metals in municipal solid waste incineration fly ash using lactic acid fermentation broth.Environmental science and pollution research international · 2021Article
- Possibilities of disposing silica fume and waste glass powder, which are environmental wastes, by using as a substitute for Portland cement.Environmental science and pollution research international · 2021Article
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
High temperature melting treatment and cement solidification are technologies currently used to reduce the leaching of heavy metals in municipal solid waste incinerator (MSWI) fly ash. In this paper, to ascertain the feasibility of melting MSWI fly ash with blast furnace (BF) slag, ultra-risk MSWI(U-MSWI) fly ash having high heavy metal (Zn, Pb, Cu, and Cr) contents were blended with BF slag, then melted and quenched into water to prepare reconstructed slag. The melting and solidification behaviors, phase composition and microstructure, and heavy metal leachability of reconstructed slag were studied. In addition, to study the further solidification and utilization of reconstructed slag in cement, the compressive strength and leaching concentration of cement composites with reconstructed slag were also investigated. The results indicate that the presence of heavy metals in the U-MSWI fly ash had a little influence on the microstructure and phase composition of reconstructed slag. The leaching concentration of heavy metals in the reconstructed slag increased with the increasing of U-MSWI fly ash content, and when the content of U-MSWI fly ash was less than 50 wt%, the reconstructed slag could meet the environmental requirements. The reconstructed slag further solidified by cement could be applied to landfill and construction materials. The technology of melting reconstruction treatment with cement solidification was a technical-economical choice for the industrial treatment of U-MSWI fly ash.
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