Full-scale plant study on low temperature thermal dechlorination of PCDDs/PCDFs in fly ash |
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| Authors: | M Ishida R Shiji P Nie N Nakamura S Sakai |
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| Affiliation: | Hitachi Zosen Corp. Environmental System Headquarters, Osaka, Japan. |
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| Abstract: | 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. |
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