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首页> 美国政府科技报告 >JV Task-5 Evaluation of Residual Oil Fly Ash as a Mercury Sorbent for Coal Combustion Flue Gas
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JV Task-5 Evaluation of Residual Oil Fly Ash as a Mercury Sorbent for Coal Combustion Flue Gas

机译：JV Task-5评价剩余油飞灰作为煤燃烧烟气的汞吸附剂

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摘要

The mercury adsorption capacity of a residual oil fly ash (ROFA) sample collected form Florida Power and Light Company's Port Everglades Power Plant was evaluated using a bituminous coal combustion flue gas simulator and fixed-bed testing protocol. A size-segregated (>38 mu g) fraction of ROFA was ground to a fine powder and brominated to potentially enhance mercury capture. The ROFA and brominated-ROFA were ineffective in capturing or oxidizing the Hg(sup 0) present in a simulated bituminous coal combustion flue gas. In contrast, a commercially available DARCO FGD initially adsorbed Hg(sup 0) for about an hour and then catalyzed Hg0 oxidation to produce Hg(sup 2+). Apparently, the unburned carbon in ROFA needs to be more rigorously activated in order for it to effectively capture and/or oxidize Hg(sup 0).

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