The Proceedings of the Symposium on Environmental Engineering
Online ISSN : 2424-2969
2006.16
Session ID : 226
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226 Decomposition of Dioxins on Sediments and Soils
Masato FUJITAYasunari OKADATaiichi OKUMURATomio SUGIMOTOMazumi ITAYA
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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract
Mitsui Engineering & Shipbuilding Co., Ltd. has developed the detoxification technique for dioxins-contaminated soils and sediments by indirect-heating oxidation & decomposition method (registered as Diobreaker). We conducted the detoxification experiments of the actual soils and sediments contaminated by dioxins using the rotary-kiln type test facilities with the treatment capacity of 10 to 20kg/h (bench scale) and 70 to 150kg/h (pilot scale). As the test results, we confirmed that the dioxins in the soils and sediments were decomposed more than 99% and the dioxins that vaporized into the vent gas of the rotary-kiln was very small in its balance against the input dioxins.
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© 2006 The Japan Society of Mechanical Engineers
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