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Coal-Fired Boiler - Secondary Plume Evaluation Program |
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Air Control Techniques, P.C. personnel designed a comprehensive
emission testing program and precipitator evaluation program to
identify factors contributing to a continuous secondary plume at a
utility coal-fired boiler. Based on continuous sulfuric acid vapor
concentration measurements, Air Control Techniques, P.C. determined
that the plume was due to non-uniform distribution of sulfuric acid
vapor from a flyash conditioning system. The distribution problem was
corrected based on improvements to the precipitator conditioning system
and inlet plenum.
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