Jordan Coulam
Environmental engineering
Hometown: Gilbert, Arizona, United States
Graduation date: Fall 2023
MORE | Spring 2023
Assessing pH Gradients in Geobacter Biofilms in Order to Optimize Energy Output
In order to draw upon Geobacter’s potential to produce energy and remediate wastewater, a better understanding of the pH limitations, if any, will be assessed. This will be researched by performing cyclic voltammetry at various buffer concentrations. These pH limitations could result when Geobacter sulfurreducens oxidizes acetate, producing electrons, which could be harvested for electricity, and protons. If the protons accumulate, they could alter the pH, decreasing the function of Geobacter biofilms and the fuel cell unit as a whole. By varying the buffer concentration, the impact of alleviating these proton gradients can be observed.
Mentor: César Torres
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