Abstract
Mitsui Engineering & Shipbuilding Co., Ltd. recently developed the catalytic filter bag with dioxins (DXNs) decomposition catalyst (TiO2-V2O5-WO3) inserted into its center by special processing. This catalytic filter bag is specially developed for the pulse-jet type bag house. From the demonstration test results using one set of small catalytic filter bag, we confirmed that DXNs removal performance was more than 95% after 30,000 times of pulse jets and the performance deterioration was not recognized by the pulse jet. 160 sets of catalytic filter bags were fitted into the bag house of the Fluidized Bed Waste Incinerator for MSW, and the commercial operation was started. After 9 months of operation, DXNs removal performance was greater than 95%, and performance deterioration was not recognized.
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