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Effect of SO2 Concentration on NOx Removal Efficiency in NaOH-Based Wet Scrubbing

NOx and SO₂ are mainly generated in the combustion of fossil fuels, and they cause secondary aerosol formation and acid rain in the atmosphere. Many studies have been conducted on the wet scrubbing process which can simultaneously reduce NOx and SO₂ at relatively low temperature. In this study, we conducted an experimental study on wet scrubbing by using NaOH solution. Especially, this study focuses on NOx and SO₂ removal characteristics by varying NO₂/NOx ratio and SO₂ concentration.