Apparatus and method for cooperatively removing composite pollutants by coupling oxidization of NO

The invention relates to the technical field of smoke treatment devices, in particular to an apparatus and method for cooperatively removing composite pollutants by coupling the oxidization of NO. Theapparatus for cooperatively removing the composite pollutants by coupling the oxidization of NO comprises a waste gas generator for primary denitrification, an electric dust collector for dust removal and a desulphurization assembly, and also comprises a plasma reactor for oxidizing NO, wherein the electric dust collector comprises an electric dust collector body, a high-performance power supply,a first plasma power supply and a first discharging part, the first discharging part is arranged in the electric dust collector body, the high-performance power supply and the first plasma power supply are arranged on the electric dust collector body and separately connected with the first discharging part, the waste gas generator is connected with a first input end of the electric dust collectorbody, the plasma reactor i