1. School of Energy and Environmental Engineering, University of Science & Technology Beijing, Beijing, 100083, PR China
2. Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science & Technology Beijing, Beijing, 100083, PR China
3. National Environmental and Energy Science and Technology International Cooperation Base, University of Science & Technology Beijing, Beijing, 100083, PR China
4. State Key Laboratory of Environmental Simulation and Pollution Control, Tsinghua University, Beijing, 100084, PR China
5. Petrochina North China Gas Marketing Company, Beijing, 100029, PR China
6. School of Environment, Tsinghua University, Beijing, 100084, PR China