State Key Laboratory of Clean and Efficient Coal Utilization;
Taiyuan University of Technology;
Taiyuan 030024;
China;
Shanxi Engineering Central of Civil Clean Fuel;
Taiyuan University of Technology;
Taiyuan 030024;
China;
College of Chemistry and Chemical Engineering;
Taiyuan University of Technology;
Taiyuan 030000;
China;
Taiyuan Green Coke Energy Co.;
Ltd.Taiyuan 030006;
China;
Coal combustion; Pyrolysis; Environment; Nitrogen oxides; Quantum chemical calculation;