Liquid Phase Oxidation and Absorption of NO from Flue Gas: A Review

NO (nitric oxide) is one of the main air pollutants emitted from coal-fired power plants. During the past several decades, capture of NO by liquid phase oxidation and the absorption process has drawn much attention for its advantages of low cost and co-capture of other pollutants. This paper provides a comprehensive review of recent development of liquid phase oxidation and the absorption process for NO capture. The process chemistry, effect of reaction parameters on absorption efficiency, and simultaneous capture with other pollutants in flue gas are critically summarized and reviewed. And the future development of this process is also referred to and discussed in brief.