利用电场作用辅助催化脱除NO是目前颇具发展潜力的一种新型脱硝技术。系统地介绍了电辅助催化脱除NO技术的基本技术原理,并分别探讨了电极形态、电压、O2-的传导过程等因素对NO脱除效率及反应机理的影响。电辅助催化的反应器结构、电源等是影响该技术的主要因素,因此优化反应器结构和对其电压、电流的精确控制,调整电辅助催化剂以及电解质电极体系的电流效率是该技术未来研究的主要关注点。
Electro-assisted catalytic removal of NO is the most attractive and promising lechnology currently. The reaction mechanism, research status and progress of this technology are introduced. The effects of solid electro- lyte cell, electro-assisted catalysis, structure of electrode, voltage, 0z transport on NO removal efficiency and reaction mechanism are discussed. The structure of electro-assisted catalytic reactor and technology of power supply are the major problems. The reactor structure optimization, precision control of voltage and current, current efficiency adjust- ment of the electric auxiliary and the electrolyte electrode system are the main future concerns of the technology.