Leaching properties of slag generated by a gasification/vitrification unit: The role of pH, particle size, contact time and cooling method used

Moustakas, K; Mavropoulos, A; Katsou, E; Haralambous, K-J; Loizidou, M

dc.contributor.author	Moustakas, K	en
dc.contributor.author	Mavropoulos, A	en
dc.contributor.author	Katsou, E	en
dc.contributor.author	Haralambous, K-J	en
dc.contributor.author	Loizidou, M	en
dc.date.accessioned	2014-03-01T02:09:29Z
dc.date.available	2014-03-01T02:09:29Z
dc.date.issued	2012	en
dc.identifier.issn	03043894	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/29850
dc.subject	Gasification-vitrification process	en
dc.subject	Heavy metal leachability	en
dc.subject	Slag	en
dc.subject	Thermal waste treatment	en
dc.subject.other	Air emissions	en
dc.subject.other	Air-cooled slag	en
dc.subject.other	Construction sectors	en
dc.subject.other	Contact time	en
dc.subject.other	Cooling methods	en
dc.subject.other	Gasification-vitrification process	en
dc.subject.other	Heavy metal leachability	en
dc.subject.other	Influence of pH	en
dc.subject.other	Leachability of heavy metals	en
dc.subject.other	Metal leachability	en
dc.subject.other	Plasma gasification	en
dc.subject.other	Solid residues	en
dc.subject.other	Thermal waste treatment	en
dc.subject.other	Water-cooled slag	en
dc.subject.other	Construction industry	en
dc.subject.other	Heavy metals	en
dc.subject.other	Leaching	en
dc.subject.other	Waste treatment	en
dc.subject.other	Slags	en
dc.subject.other	heavy metal	en
dc.subject.other	organic carbon	en
dc.subject.other	atmospheric pollution	en
dc.subject.other	cooling	en
dc.subject.other	environmental impact	en
dc.subject.other	leaching	en
dc.subject.other	particle size	en
dc.subject.other	pH	en
dc.subject.other	plasma	en
dc.subject.other	slag	en
dc.subject.other	vitrification	en
dc.subject.other	waste disposal	en
dc.subject.other	waste treatment	en
dc.subject.other	article	en
dc.subject.other	concentration (parameters)	en
dc.subject.other	cooling	en
dc.subject.other	environmental impact assessment	en
dc.subject.other	gasification	en
dc.subject.other	leaching	en
dc.subject.other	particle size	en
dc.subject.other	pH measurement	en
dc.subject.other	slag	en
dc.subject.other	vitrification	en
dc.subject.other	X ray diffraction	en
dc.subject.other	Gases	en
dc.subject.other	Hydrogen-Ion Concentration	en
dc.subject.other	Particle Size	en
dc.subject.other	Waste Management	en
dc.title	Leaching properties of slag generated by a gasification/vitrification unit: The role of pH, particle size, contact time and cooling method used	en
heal.type	journalArticle	en
heal.identifier.primary	10.1016/j.jhazmat.2011.09.070	en
heal.identifier.secondary	http://dx.doi.org/10.1016/j.jhazmat.2011.09.070	en
heal.publicationDate	2012	en
heal.abstract	The environmental impact from the operation of thermal waste treatment facilities mainly originates from the air emissions, as well as the generated solid residues. The objective of this paper is to examine the slag residue generated by a demonstration plasma gasification/vitrification unit and investigate the composition, the leaching properties of the slag under different conditions, as well as the role of the cooling method used. The influence of pH, particle size and contact time on the leachability of heavy metals are discussed. The main outcome is that the vitrified slag is characterized as inert and stable and can be safely disposed at landfills or used in the construction sector. Finally, the water-cooled slag showed better resistance in relation to heavy metal leachability compared to the air-cooled slag. © 2011 Elsevier B.V..	en
heal.journalName	Journal of Hazardous Materials	en
dc.identifier.doi	10.1016/j.jhazmat.2011.09.070	en
dc.identifier.volume	207-208	en
dc.identifier.spage	44	en
dc.identifier.epage	50	en