Abstract
<abstract> <bold>Abstract.</bold>The use of acid spray scrubbers for recovering ammonia (NH<sub>3</sub>) emissions is promising due to its high NH<sub>3</sub> removal efficiency, simplicity in design, and minimal pressure drop contribution on fans. A practical model is needed to predict scrubber efficiency under different operating conditions. An experimental study to evaluate the performance of acid spray scrubbers was conducted using 1% dilute sulfuric acid solution. Important parameters that significantly affect scrubber efficiency were identified as inlet NH<sub>3</sub> concentration, air retention time, Sauter mean diameter of spray droplets, and liquid flow rate. Two statistical models were developed from the experimental data using regression analysis of scrubber efficiency as a function of the significant operating parameters. The statistical performances of the proposed models were evaluated. This simplified performance models of acid spray wet scrubber can be used to guide design and operation of the wet scrubber at various animal facilities for NH<sub>3</sub> abatement.
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