Mechanism of Dioxins/Furans Fromation at High Temperature in Combustion Processes

Kawabata, Hitoshi; Usui, Tateo; Marukawa, Katsukiyo; Hara, Shigeta; Tanaka, Toshihiro; Ono-Nakazato, Hideki

doi:info:doi/10.2355/isijinternational.43.461

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タイトル	Mechanism of Dioxins/Furans Fromation at High Temperature in Combustion Processes
著者	Kawabata, Hitoshi Kawabata, Hitoshi
	Usui, Tateo Usui, Tateo
	Marukawa, Katsukiyo Marukawa, Katsukiyo
	Hara, Shigeta Hara, Shigeta
	Tanaka, Toshihiro Tanaka, Toshihiro
	Ono-Nakazato, Hideki Ono-Nakazato, Hideki
キーワード等	dioxins/furans
	fly carbonaceous matters
	formation at high temperature
	incineration
	CO/CO_2
抄録	To understand the mechanism of toxic dioxins/furans (Dioxins) formation in incineration processes, the combustion experiments were carried out with an electric furnace in laboratory scale at 1 073 K using mainly the powder of regent grade polyvinyl chloride (PVC powder) as a combustion material under a complete and an incomplete combustion conditions. In addition, the thermodynamic evaluations have been done on the formation and decomposition of Dioxins. Dioxins are formed even at the combustion temperature of 1 073 K under the conditions in which the fly carbonaceous matters exist. It is supposed that Dioxins are mainly formed on the surface of the fly carbonaceous matters where high CO/CO_2 ratio is established. Dioxins' concentration is correlated with the number of the fly carbonaceous matters in an exhaust gas. The formation/suppression of Dioxins is dependent upon the amount of the fly carbonaceous matters remained in the exhaust gas from the combustion furnaces.
公開者	日本鉄鋼協会
公開者の別表記	The Iron and Steel Institute of Japan
公開者 (ヨミ)	ニホン　テッコウ　キョウカイ
掲載誌名	ISIJ International
巻	43
号	3
開始ページ	461
終了ページ	467
刊行年月	2003
ISSN	09151559
NCID	AA10680712
DOI	info:doi/10.2355/isijinternational.43.461
URL	http://hdl.handle.net/11094/26411
権利情報	© 2003 ISIJ
言語	英語
カテゴリ	学術雑誌論文 Journal Article

著者版フラグ	publisher
NII資源タイプ	学術雑誌論文
ローカル資源タイプ	学術雑誌論文
dcmi資源タイプ	text
DCTERMS.bibliographicCitation	ISIJ International.43(3) P.461-P.467
DC.title	Mechanism of Dioxins/Furans Fromation at High Temperature in Combustion Processes
DC.creator	Kawabata, Hitoshi
	Usui, Tateo
	Marukawa, Katsukiyo
	Hara, Shigeta
	Tanaka, Toshihiro
	Ono-Nakazato, Hideki
DC.publisher	日本鉄鋼協会
DC.language" scheme="DCTERMS.RFC1766	英語
DCTERMS.issued" scheme="DCTERMS.W3CDTF	2003
DC.identifier	info:doi/10.2355/isijinternational.43.461
DC.identifier" scheme="DCTERMS.URI	http://hdl.handle.net/11094/26411
DC.subject	dioxins/furans
	fly carbonaceous matters
	formation at high temperature
	incineration
	CO/CO_2
DCTERMS.abstract	To understand the mechanism of toxic dioxins/furans (Dioxins) formation in incineration processes, the combustion experiments were carried out with an electric furnace in laboratory scale at 1 073 K using mainly the powder of regent grade polyvinyl chloride (PVC powder) as a combustion material under a complete and an incomplete combustion conditions. In addition, the thermodynamic evaluations have been done on the formation and decomposition of Dioxins. Dioxins are formed even at the combustion temperature of 1 073 K under the conditions in which the fly carbonaceous matters exist. It is supposed that Dioxins are mainly formed on the surface of the fly carbonaceous matters where high CO/CO_2 ratio is established. Dioxins' concentration is correlated with the number of the fly carbonaceous matters in an exhaust gas. The formation/suppression of Dioxins is dependent upon the amount of the fly carbonaceous matters remained in the exhaust gas from the combustion furnaces.
DC.rights	© 2003 ISIJ
citation_title	Mechanism of Dioxins/Furans Fromation at High Temperature in Combustion Processes
citation_author	Kawabata, Hitoshi
	Usui, Tateo
	Marukawa, Katsukiyo
	Hara, Shigeta
	Tanaka, Toshihiro
	Ono-Nakazato, Hideki
citation_publisher	日本鉄鋼協会
citation_language	英語
citation_date	2003
citation_journal_title	ISIJ International
citation_volume	43
citation_issue	3
citation_firstpage	461
citation_lastpage	467
citation_issn	09151559
citation_doi	info:doi/10.2355/isijinternational.43.461
citation_public_url	http://hdl.handle.net/11094/26411
citation_keywords	dioxins/furans
	fly carbonaceous matters
	formation at high temperature
	incineration
	CO/CO_2

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