State Key Joint Laboratory of Environment Simulation and Pollution Control,Research Center for Eco-Environmental Sciences,Chinese Academy of Sciences,Beijing 100085,China;
University of Chinese Academy of Sciences,Beijing 100049,China;
Center for Excellence in Regional Atmospheric Environment,Institute of Urban Environment,Chinese Academy of Sciences,Xiamen 361021,China;
Fe-ZSM-5; NH 3-SCR; SCR mechanism; Intermediates; In situ DRIFTS;