1. College of Environmental Science and Engineering, Taiyuan University of Technology, Mingxiang Campus, Taiyuan 030600, Shanxi, PR China
2. Shanxi Key Laboratory of Gas Energy Efficient and Clean Utilization, No.79 West Street, Taiyuan030024, Shanxi, PR China
3. Shanxi Kunming Tobacco Co., Ltd., 21 Dachang South Road, Taiyuan 030032, Shanxi PR China