Leaching characteristics of solid wastes from thermal power plants of western Turkey and comparison of toxicity methodologies

Basit Öğe Kaydı
dc.authoridBaba, Alper / 0000-0001-5307-3156
dc.contributor.authorBaba, Alper
dc.contributor.authorKaya, Abidin
dc.date.accessioned2025-01-27T20:20:56Z
dc.date.available2025-01-27T20:20:56Z
dc.date.issued2004
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractUse of lignite in power generation has led to increasing environmental problems associated not only with gaseous emissions, but also with the disposal of ash residues. In particular, use of low quality coals with high ash content results in huge quantities of both fly and bottom ashes to be disposed of. A main problem related to coal ash disposal is the heavy metal content of the residue. In this regard, experimental results of numerous studies indicate that toxic trace metals may leach when fly and bottom ashes are in contact with water. In this study, fly and bottom ash samples obtained from thermal power plants, namely Yenikoy, Kemerkoy and Yatagan, located at the southwestern coast of Turkey, were subjected to toxicity tests such as the extraction (EP) and toxicity characteristic leaching (TCLP) procedures of the US Environmental Protection Agency (USEPA) and the so-called 'Method A' extraction procedure of the American Society of Testing and Material (ASTM). The geochemical composition of ash samples showed variations depending on the coal burned in the plants. Furthermore, the EP, TCLP and ASTM toxicity tests showed variations such that the ash samples were classified as 'toxic waste' based on EP and TCLP results whereas they were classified as 'non-toxic' based on ASTM results, indicating test results are pH dependent. When the extraction results were compared with the chemical composition of water samples obtained in the vicinity of the thermal power plants, it was found that the results obtained using the ASTM procedure cannot be used to predict subsurface contamination whereas the EP and TCLP procedures can be used.
dc.identifier.doi10.1016/j.jenvman.2004.06.005
dc.identifier.endpage207
dc.identifier.issn0301-4797
dc.identifier.issn1095-8630
dc.identifier.issue3
dc.identifier.pmid15474737
dc.identifier.scopus2-s2.0-5044245541
dc.identifier.scopusqualityQ1
dc.identifier.startpage199
dc.identifier.urihttps://doi.org/10.1016/j.jenvman.2004.06.005
dc.identifier.urihttps://hdl.handle.net/20.500.12428/21850
dc.identifier.volume73
dc.identifier.wosWOS:000224669900004
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherAcademic Press Ltd- Elsevier Science Ltd
dc.relation.ispartofJournal of Environmental Management
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectbottom ash
dc.subjectfly ash
dc.subjectleachate
dc.subjectsolid waste
dc.subjectthermal power plants
dc.titleLeaching characteristics of solid wastes from thermal power plants of western Turkey and comparison of toxicity methodologies
dc.typeArticle

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