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Possible applications for municipal solid waste fly ash
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Orientador(es)
Resumo(s)
The present study focuses on existing practices related to the reuse of Municipal Solid Waste
(MSW) fly ash and identifies new potential uses. Nine possible applications were identified and
grouped into four main categories: construction materials (cement, concrete, ceramics, glass and
glass–ceramics); geotechnical applications (road pavement, embankments); “agriculture” (soil
amendment); and, miscellaneous (sorbent, sludge conditioning). Each application is analysed in
detail, including final-product technical characteristics, with a special emphasis on environmental
impacts. A comparative analysis of the different options is performed, stressing the advantages but
also the weaknesses of each option. This information is systemized in order to provide a framework
for the selection of best technology and final products. The results presented here show new possibilities for this waste reuse in a short-term, in a wide range of fields, resulting in great advantages
in waste minimization as well as resources conservation.
Descrição
Palavras-chave
Fly ash Hazardous waste Waste management Waste recycling Incineration Treatment of hazardous materials Waste valorisation
Contexto Educativo
Citação
Editora
Elsevier