||Adipic Acid Enhanced Flue Gas Desulfurization Process for Industrial Boilers: Volume 1. Field Test Results Project Summary.
Clarke, P. A. ;
Gerstle, R. W. ;
Henzel, D. S. ;
Mason, K. W. ;
Sabatini, S. R. ;
||Industrial Environmental Research Lab., Research Triangle Park, NC.;Department of Energy, Washington, DC.
Adipic Acid ;
Flue Gas ;
Sulfur Dioxide ;
Air Pollution Control ;
Field Tests ;
Lime-Limestone Wet Scrubbing Processes ;
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Test results show that adding adipic acid to the limestone slurry significantly improved the SO sub 2 removal efficiency of the FGD system. Limited baseline data on operations with limestone only indicated a performance level of 55% SO sub 2 removal. Adding about 2200 ppM of adipic acid to the limestone scrubbing systems, the unit's level of performance increased to an average of 94.3% SO sub 2 removal which was maintained within a standard deviation of 2.2% over a 30-day test period during which boiler load was 70 to 130 million Btu/hr and gas throughput varied 300%. (ERA citation 10:043665)