The Proceedings of the Symposium on Environmental Engineering
Online ISSN : 2424-2969
2004.14
Session ID : 222
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The results of fly ash melting operated by RC-joule heating system(39t/D)
Junnya NISHINONaohito YOSHINARIYoshiaki MATSUZAWAShunichiro UENOKenji SAKAMOTOShouiciro KONDOU
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Abstract
Melting treatment of fly ash from fluidized bed incinerators(450t/D) was successfully conducted by DC-joule heating system over 90days of continuous operation. The operation was broken down the specific characteristics of fly ash melting such as lots of volatile material of chlorides and contents of alkaline material by the detailed control of temperature to melting furnace and flow line of discharge out of furnace. Slag is available for reusing to be satisfied with the environmental standard of soil. Melting of joule-heating has long retention time of molten material with steady and calm operation enough to distribute the elements among products.
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© 2004 The Japan Society of Mechanical Engineers
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