过渡金属型锰基低温NH3-SCR脱硝催化剂研究综述

Summary of transition metal manganese-based denitration catalyst for low temperature NH3-SCR

综述了一元至多元过渡金属与锰的复合氧化物和负载型过渡金属与锰基催化剂的低温脱硝性能,着重阐述了在不同活性组分下,制备出不同结构的过渡金属催化剂对脱硝活性的影响。分析总结了过渡金属催化剂在低温NH3-SCR中的反应机理及其抗水抗硫性能,最后,针对过渡金属催化剂存在的问题,展望了该领域未来可能的发展方向和研究热点。

The low temperature NOxelimination properties of both single or multi-transition metal manganese-based catalysts and supported single or multi-transition metal manganese-based catalysts were summarized.The influence of transition metal catalysts with different structures prepared under different active components on denitration activity was emphatically expounded.The reaction mechanism of transition metal catalyst in low temperature NH3-SCR and its sulfur and water resistance were analyzed and summarized.Finally,aiming at present problems,the potential development direction and research hotspot of tran sition metal catalysts in the future were prospected.