1. College of Environmental Science and EngineeringTaiyuan University of Technology 79 Yingzexi Street Taiyuan 030024 PR China
2. College of Sciences and Liberal ArtsNew Jersey Institute of Technology Newark NJ 07102 USA
3. Institute of Environmental ScienceShanxi University Taiyuan 030006 PR China
4. College of Mining EngineeringTaiyuan University of Technology 79 Yingzexi Street Taiyuan 030024 PR China
5. Testing SectorShanxi Unisdom Testing Technology Co., Ltd Taiyuan 030006 PR China