1. School of Environmental Science and Engineering
2. Institute of Environmental Health and Pollution Control
3. Guangdong University of Technology
4. Guangzhou
5. China
6. School of Environment
7. Henan Normal University
8. Key Laboratory for Yellow River and Huaihe River Water Environment and Pollution Control
9. Xinxiang 453007
10. P. R. China
11. Faculty of Environmental & Biological Engineering
12. Guangdong University of Petrochemical Technology
13. Maoming