Leaching behaviour of elements and evaluation of pre-treatment methods for municipal solid waste incinerator residues in column leaching tests.

Kim, Sang-Yul; Tanaka, Nobutoshi; Matsuto, Toshihiko; Tojo, Yasumasa

Leaching behaviour of elements and evaluation of pre-treatment methods for municipal solid waste incinerator residues in column leaching tests.

Kim, Sang-Yul; Tanaka, Nobutoshi; Matsuto, Toshihiko et al.

Waste Management and Research, 2005, 23(3), 220-229

Permalink : https://hdl.handle.net/2115/13784

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アクセス権	open access
URI	https://hdl.handle.net/2115/13784
タイトル	Leaching behaviour of elements and evaluation of pre-treatment methods for municipal solid waste incinerator residues in column leaching tests.
著者	Kim, Sang-Yul ; Tanaka, Nobutoshi ; Matsuto, Toshihiko ; Tojo, Yasumasa
著者名 Kim, Sang-Yul
著者名 Tanaka, Nobutoshi
e-Rad_Researcher 00165838 著者名 Matsuto, Toshihiko
e-Rad_Researcher 70250470 著者名 Tojo, Yasumasa
言語	英語
キーワード	MSW incinerator residues
	pre-treatment
	water washing
	carbonation
	phosphate stabilisation
	heavy metals
	column leaching tests
	leaching behaviour
発行日	2005-06
出版者	SAGE Publications
収録物名	Waste Management and Research
巻(号)	23(3)
ページ	220-229
抄録	Two new pre-treatment methods (water-washing/carbonation and carbonation/phosphate stabilisation) of municipal solid waste (MSW) incinerator residues were evaluated by column leaching tests under aerobic conditions and anaerobic conditions (which were changed to aerobic conditions after 10 months). A mixture of bottom ash and fly ash (5:1 ratio) was pre-treated using each method. Shredded incombustible residues (SIR) were added to each ash preparation in proportions similar to the ratios present in landfills. For comparison, landfill wastes typical of Japan, i.e., a mixture of bottom ash, chelating-pre-treated fly ash, and SIR, were also examined. Leachate samples were collected periodically and analysed over a 15-month period. When compared to chelating pre-treatment, both water-washing/carbonation and carbonation/phosphate stabilisation reduced the leaching of Pb, Al, and Cu by about 1-2 orders of magnitude. Moreover, the initial concentrations of Ca and Pb in leachates from column of water-washing/carbonation were 56-57% and 84-96% less than those from column of carbonation/phosphate stabilisation. Therefore, water-washing/carbonation was considered to be a promising approach to obtain early waste stabilisation and to reduce the release of heavy metals to near-negligible levels. The leaching behaviour of elements was also discussed.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	Copyright © 2005 by International Solid Waste Association
PISSN	0734-242X
EISSN	1096-3669
関連情報	PMID 15988941
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1177/0734242X05055322