A 440-MW coal-fired power plant is being designed to burn a certain coal; the filing rate will be 300,000 lb/hr. Material balance calculations and combustion modeling (with ordinary burners) predict that the flue gas flow rate will be 1,0 million scftn, and will contain 1100 ppm of NO and 90 ppm of N02 as it exits the boiler. Calculate the overall percentage reduction of NOx required to meet the NSPS. If a combination of low-NOx burners and overfire air is estimated to reduce the formation of NOx by 55%, what removal efficiency is needed for the SCR system that is being designed?

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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A 440-MW coal-fired power plant is being designed to burn a certain coal; the filing rate will be 300,000 lb/hr. Material balance calculations and combustion modeling (with ordinary burners) predict that the flue gas flow rate will be 1,0 million scftn, and will contain 1100 ppm of NO and 90 ppm of N02 as it exits the boiler. Calculate the overall percentage reduction of NOx required to meet the NSPS. If a combination of low-NOx burners and overfire air is estimated to reduce the formation of NOx by 55%, what removal efficiency is needed for the SCR system that is being designed?

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