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A 440-MW coal-fired power plant is burning coal that contains 185 ppb of Mercury. The coal...

A 440-MW coal-fired power plant is burning coal that contains 185 ppb of Mercury. The coal firing rate is 300,000 lb/hr, and the flue gas flow rate is 1.0 million SCFM. The mercury standard that must be met is 0.015 lb/GWh of gross energy output. Calculate the overall mercury capture percentage that is required to meet this standard. If the wet scrubber can remove 40% of the mercury that comes into it, what removal efficiency is needed for the activated carbon injection/baghouse system.

Answer: 82%

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A 440-MW coal-fired power plant is burning coal that contains 185 ppb of Mercury. The coal...
A 440-MW coal-fired power plant is burning coal that contains 185 ppb of Mercury. The coal firing rate is 300,000 lb/hr, and the flue gas flow rate is 1.0 million SCFM. The mercury standard that must be met is 0.015 lb/GWh of gross energy output. Calculate the overall mercury capture percentage that is required to meet this standard. If the wet scrubber can remove 40% of the mercury that comes into it, what removal efficiency is needed for the activated...
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