Key Laboratory for Energy Thermal Conversion and Control;
Ministry of Education;
Southeast University;
Nanjing 210096;
China;
School of Energy and Mechanical Engineering;
Nanjing Normal University;
Nanjing 210042;
China;
CeO2-doped SCR catalyst; SiO2 addition; NH4HSO4 decomposition; SO2 poisoning; Cerium sulfate;