1. Environmental Impact and Sustainability Division, CSIR - National Environmental Engineering Research Institute, Nagpur, Maharashtra, India
2. Department of Civil and Environmental Engineering, University of Alberta, Edmonton, Alberta, Canada
3. Institute of Chemistry, Federal University of Rio Grande do Norte, Natal, Brazil
4. Université de Lorraine, CNRS, LRGP, Nancy, France
5. Instituto de Energías Renovables, Universidad Nacional Autónoma de México (IER-UNAM), Morelos, México
6. Laboratoire Géomatériaux et Environnement EA 4508, Université Gustave Eiffel, Marne-la-Vallée, Cedex 2, France
7. College of Environmental Science and Engineering, Nankai University, Tianjin, P R China