Journal
JOURNAL OF HAZARDOUS MATERIALS
Volume 96, Issue 2-3, Pages 201-216Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0304-3894(02)00201-7
Keywords
fly ash; hazardous waste; waste management; waste recycling; incineration; treatment of hazardous materials; waste valorisation
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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. (C) 2002 Elsevier Science B.V. All rights reserved.
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