1. Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, School of Environment and Energy, South China University of Technology, Guangzhou 510006, China
2. Civil Engineering Program, College of Engineering & Computer Science, Arkansas State University, Jonesboro, AR 72467, USA
3. Zhongshan Institute of Modern Industrial Technology, South China University of Technology, Zhongshan 528400, China