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Mercury emission control for coal-fired boilers
Mercury emission control for coal-fired boilers
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机译:燃煤锅炉的汞排放控制
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摘要
One embodiment of the present invention relates to a process for treating a flue gas stream (22) from a coal-fired boiler to reduce the amount of mercury contained therein. The process includes subjecting the flue gas stream (22) to a first wet scrubbing process for reducing the concentration of sulfur oxides therein and thereby producing a water-saturated flue gas stream (22) and subjecting the water-saturated flue gas stream to a second wet scrubbing process having an aqueous acidic solution comprising hydrogen peroxide to produce a flue gas having a reduced mercury content.
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