Abstract
A complex absorbent containing NaClO (M) and NaClO 2 was used to investigate simultaneous removal of SO 2 and NO from flue gas. The various influencing factors, such as molar ratio of M to NaClO 2, solution pH, reaction temperature, SO 2 concentration and NO concentration on removal efficiencies of SO 2 and NO were studied experimentally, and the optimal conditions were established, in which molar ratio of M to NaClO 2 was 4.0, solution pH was 5.5, reaction temperature was 50 °C. Under the optimal conditions, the removal efficiencies of SO 2 and NO reached 100% and 85%, respectively. In addition, the reaction mechanism of simultaneous desulfurization and denitration using complex absorbent was proposed.
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