Abstract

The integrated removal technology of SO2, NOx and CO2 is an emerging low-cost flue gas purification technology, in which the oxidation of NO is the key to this technology. In view of the fact that the UV-enhanced NO oxidation by H2O2 has the advantages of simple process, good maneuverability and easy enlargement, a pilot system was established to explore the apparent kinetics of NO Oxidation. The influences of NO concentration in flue gas, dosage of H2O2, UV radiation intensity and temperature on the reaction were investigated sequentially. After regressing corresponding parameters based on experimental data, an apparent kinetic model to describe the NO oxidation by H2O2 enhanced by UV irradiation is obtained, which provides a reference for further design on a larger-scale plant.

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