Bactericidal and virucidal mechanisms in the alkaline disinfection of compost using calcium lime and ash

Hijikata, Nowaki; Tezuka, Rui; Kazama, Shinobu; Otaki, Masahiro; Ushijima, Ken; Ito, Ryusei; Okabe, Satoshi; Sano, Daisuke; Funamizu, Naoyuki

Bactericidal and virucidal mechanisms in the alkaline disinfection of compost using calcium lime and ash

Hijikata, Nowaki; Tezuka, Rui; Kazama, Shinobu et al.

Journal of Environmental Management, 2016, 181, 721-727

Permalink : https://hdl.handle.net/2115/71587

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アクセス権	open access
URI	https://hdl.handle.net/2115/71587
タイトル	Bactericidal and virucidal mechanisms in the alkaline disinfection of compost using calcium lime and ash
著者	Hijikata, Nowaki ; Tezuka, Rui ; Kazama, Shinobu ; Otaki, Masahiro ; Ushijima, Ken ; Ito, Ryusei ; Okabe, Satoshi ; Sano, Daisuke ; Funamizu, Naoyuki
著者名 Hijikata, Nowaki
著者名 Tezuka, Rui
著者名 Kazama, Shinobu
著者名 Otaki, Masahiro
著者名 Ushijima, Ken
著者名 Ito, Ryusei
e-Rad_Researcher 10253816 著者名 Okabe, Satoshi
e-Rad_Researcher 80550368 著者名 Sano, Daisuke
e-Rad_Researcher 10113622 著者名 Funamizu, Naoyuki
言語	英語
キーワード	Alkaline disinfection
	Ash
	Calcium oxide
	Compost
	Dry toilet
	Pathogen
発行日	2016-10-01
出版者	Elsevier
収録物名	Journal of Environmental Management
巻(号)	181
ページ	721-727
抄録	In the present study, the bactericidal and virucidal mechanisms in the alkaline disinfection of compost with calcium lime and ash were investigated. Two indicator microorganisms, Escherichia coli and MS2 coliphage, were used as surrogates for enteric pathogens. The alkaline-treated compost with calcium oxide (CaO) or ash resulted primarily in damage to the outer membrane and enzyme activities of E. coli. The alkaline treatment of compost also led to the infectivity loss of the coliphage because of the partial capsid damage and RNA exteriorization due to a raised pH, which is proportional to the amount of alkaline agents added. These results indicate that the alkaline treatment of compost using calcium oxide and ash is effective and can contribute to the safe usage of compost from a mixing type dry toilet.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
権利情報	© 2016. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
PISSN	0301-4797
関連情報	PMID 27562698
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1016/j.jenvman.2016.08.026