燃煤烟气中NO催化氧化脱除的研究进展

Research progress on catalytic oxidation removal of NO from coal-fired flue gas

选择性催化氧化法作为一种新型脱硝技术凭借其工艺简单、能同时脱硫脱硝等特点成为热点。综述了活性炭类、分子筛、贵金属和过渡性金属氧化物等不同类型催化剂催化氧化NO的研究进展。从催化机理、催化活性、抗水汽性和抗硫性等角度对比分析了各种催化剂的优缺点,并对选择性催化氧化脱硝技术的未来进行了展望。

Selective catalytic oxidation as a new denitration technology has become a hot topic due to its simple process,simultaneous desulfurization and denitration.In this paper,the research progress of catalytic oxidation of NO was reviewed by activated carbon,molecular sieves,noble metals and transition metal oxides.The advantages and disadvantages of various catalysts were compared and analyzed from the aspects of catalytic mechanism,catalytic activity,water vapor resistance and sulfur resistance,and the future of selective catalytic oxidation denitration technology was prospected.