Full-scale plant study on low temperature thermal dechlorination of PCDDs/PCDFs in fly ash.
The low temperature thermal dechlorination process is an effective technology of dioxins decomposition in fly ash of municipal solid waste incinerators(MSWI). A full-scale dechlorination process was designed and constructed in Matsudo city, Japan. It was confirmed that PCDDs/PCDFs decomposition ratio was more than 99% with temperature of 350 degrees C and retention time of 1 hour, and thermal dechlorination moved on from PCDDs/PCDFs having more chlorine atoms to those of less chlorine atoms.
Ishida
M
M
Hitachi Zosen Corp. Environmental System Headquarters, Osaka, Japan.
Shiji
R
R
Nie
P
P
Nakamura
N
N
Sakai
S
S
D000397:Air Pollution / Q000517:prevention & control*; D001572:Benzofurans / Q000737:chemistry*; D002713:Chlorine / Q000737:chemistry; D017745:Incineration; D000072317:Polychlorinated Dibenzodioxins / Q000031:analogs & derivatives* / Q000737:chemistry; D012037:Refuse Disposal; D013696:Temperature
D001572:Benzofurans; D000072317:Polychlorinated Dibenzodioxins; D002713:Chlorine