Reyes Sierra-Alvarez
Professor, Department of Chemical and Environmental Engineering
Director of the Environmental Engineering Graduate Program
(520) 626-2896

Dr. Reyes Sierra-Alvarez is a professor at the Department of Chemical and Environmental Engineering, University of Arizona (UA). Prior to joining the UA in 2001, Dr. Sierra was an Associate Professor of Environmental Engineering at the Wageningen University in The Netherlands (1993 – 2000) and an assistant professor at the UNESCO Water Research Institute in Delft, The Netherlands (1991 – 1993). Dr. Sierra holds a PhD degree in Environmental Engineering from the Wageningen University (1990) and an MS degree in Chemical Engineering from the University of Valladolid in Spain (1985). Prof. Sierra’s current research work focuses on the microbial transformation of metals and hazardous organic pollutants, biological wastewater treatment, and environmental implications of nanotechnology. Her work has led to the publication of over 130 peer-reviewed scientific papers.

Research Themes: 
Biological treatment processes
Green manufacturing
Sustainable mining
Energy-water nexus
Renewable energy
Carbon cycling
Nutrient cycling
Public Health
Soil contaminants
Water contaminants
Urban Environment
Biogeochemical processes
Biogeochemical processes
Biological treatment process
Groundwater remediation
Public Health
Renewable energy and water treatment
Semiconductor manufacture
Sustainable mining
Water for manufacturing
Water reuse
Water treatment
Water-energy nexus

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