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

Kawabata, Hitoshi; Usui, Tateo; Marukawa, Katsukiyo et al.

ISIJ International, 2003, 43(3), 461-467

Number of Access:509（2025-09-03 06:08 Counts）

Identifier to cite or link to this item: https://hdl.handle.net/11094/26411

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Title
Mechanism of Dioxins/Furans Fromation at High Temperature in Combustion Processes
Creator
CreatorName
Kawabata, Hitoshi
NRID
1000090029348 1000090029348
CreatorName
Usui, Tateo
CreatorName
Marukawa, Katsukiyo
NRID
1000090029116 1000090029116
CreatorName
Hara, Shigeta
NRID
1000010179773 1000010179773
researchmap permalink
read0013978 read0013978
CreatorName
Tanaka, Toshihiro
CreatorName
Nakazato, Hideki
Creator.Alternative
Ono, Hideki
Subject
dioxins/furans
fly carbonaceous matters
formation at high temperature
incineration
CO/CO_2
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.
Publisher
日本鉄鋼協会
The Iron and Steel Institute of Japan
ニホン　テッコウ　キョウカイ
Source Title
ISIJ International
Volume (Issue)
43(3)
Page
461-467
Date of Issued
2003
Language
English
Handle URL
https://hdl.handle.net/11094/26411
PISSN
09151559
NCID
AA10680712
Relation.isIdenticalTo
DOI (Publisher Version)
https://doi.org/10.2355/isijinternational.43.461
Access Rights
open access
CopyRight
© 2003 ISIJ
oaire:version
Version of Record
Category
学術雑誌論文 Journal Article