1. School of Environment and Energy
2. Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling
3. South China University of Technology
4. Guangzhou
5. China
6. Department of Chemistry
7. University of Malakand
8. Chakdara
9. Pakistan
10. College of Chemistry and Chemical Engineering
11. Xinjiang Normal University
12. Urumqi 830054