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dc.contributor.authorYin, Keen
dc.contributor.authorDou, Xiaominen
dc.contributor.authorRen, Feien
dc.contributor.authorChan, Wei-Pingen
dc.contributor.authorChang, Victor Wei-Chungen
dc.identifier.citationYin, K., Dou, X., Ren, F., Chan, W.-P., & Chang, V. W.-C. (2018). Statistical comparison of leaching behavior of incineration bottom ash using seawater and deionized water : significant findings based on several leaching methods. Journal of Hazardous Materials, 344, 635-648. doi:10.1016/j.jhazmat.2017.11.004en
dc.description.abstractBottom ashes generated from municipal solid waste incineration have gained increasing popularity as alternative construction materials, however, they contains elevated heavy metals posing a challenge for its free usage. Different leaching methods are developed to quantify leaching potential of incineration bottom ashes meanwhile guide its environmentally friendly application. Yet, there are diverse IBA applications while the in situ environment is always complicated, challenging its legislation. In this study, leaching tests were conveyed using batch and column leaching methods with seawater as opposed to deionized water, to unveil the metal leaching potential of IBA subjected to salty environment, which is commonly encountered when using IBA in land reclamation yet not well understood. Statistical analysis for different leaching methods suggested disparate performance between seawater and deionized water primarily ascribed to ionic strength. Impacts of leachant are metal-specific dependent on leaching methods and have a function of intrinsic characteristics of incineration bottom ashes. Leaching performances were further compared on additional perspectives, e.g. leaching approach and liquid to solid ratio, indicating sophisticated leaching potentials dominated by combined geochemistry. It is necessary to develop application-oriented leaching methods with corresponding leaching criteria to preclude discriminations between different applications, e.g., terrestrial applications vs. land reclamation.en
dc.format.extent36 p.en
dc.relation.ispartofseriesJournal of Hazardous Materialsen
dc.rights© 2017 Elsevier B.V. All rights reserved. This paper was published in Journal of Hazardous Materials and is made available with permission of Elsevier B.V.en
dc.subjectLeaching Methodsen
dc.subjectEngineering::Environmental engineeringen
dc.titleStatistical comparison of leaching behavior of incineration bottom ash using seawater and deionized water : significant findings based on several leaching methodsen
dc.typeJournal Articleen
dc.contributor.researchNanyang Environment and Water Research Instituteen
dc.contributor.researchResidues and Resource Reclamation Centreen
dc.description.versionAccepted versionen
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