1. Instituto de Ingeniería, Universidad Nacional Autónoma de México, Laboratory for Research on Advanced Processes for Water Treatment, Unidad Academica Juriquilla, Queretaro, Mexico
2. Department of Chemical and Environmental Engineering, University of Arizona, Tucson, Arizona, USA
3. Institute of Geology, Estación Regional del Noroeste, Universidad Nacional Autónoma de México, Luis Donaldo Colosio s/n, Hermosillo, Sonora, Mexico