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William A. Tarpeh

William A. Tarpeh

Faculty Affiliate
Stanford King Center on Global Development
Assistant Professor
Department of Chemical Engineering
Assistant Professor, by courtesy
Department of Civil and Environmental Engineering
Center Fellow
Woods Institute for the Environment
PhD, Environmental Engineering, University of California, Berkeley,

About

Reimagining liquid waste streams as resources can lead to recovery of valuable products and more efficient, less costly approaches to reducing harmful discharges to the environment. Pollutants in effluent streams can be captured and used as valuable inputs to other processes. For example, municipal wastewater contains resources like energy, water, nutrients, and metals. The Tarpeh Lab develops and evaluates novel approaches to resource recovery from “waste” waters at several synergistic scales: molecular mechanisms of chemical transport and transformation; novel unit processes that increase resource efficiency; and systems-level assessments that identify optimization opportunities. They employ understanding of electrochemistry, separations, thermodynamics, kinetics, and reactor design to preferentially recover resources from waste. They leverage these molecular-scale insights to increase the sustainability of engineered processes in terms of energy, environmental impact, and cost.