1. Department of Environmental Science & Technology, Taiyuan University of Technology, Jinzhong 030600, Shanxi, China
2. Shanxi Institute of Eco-environmental Planning and Technology, Taiyuan 030003, Shanxi, China
3. Shanxi Key Laboratory of Compound Air Pollutions Identification and Control, Taiyuan University of Technology, Jinzhong 030600, Shanxi, China
4. School of Chemical Engineering & Pharmacy, Wuhan Institute of Technology, Wuhan 430074, China