From poop to gold: an examination of energy-positive wastewater treatment in an anaerobic reactor system

Daniel Lucio, Andrew Pfluger, Jennie Callahan, Brett Van Houghton, Junko Munakata Marr & Linda A. Figueroa
Today’s current best practices for wastewater treatment involve aerobic processes that require substantial amounts of energy. Best practice aerobic wastewater treatment facilities with anaerobic digestion of biosolids are able to produce 500-700 kWh/MG, which is approximately one-third to one-half of the 1500-2000 kWh/MG used to operate the facility. On the other hand, primary anaerobic treatment has the potential to be energy-positive by using methane gas produced by anaerobic microbial communities in the system. Previous results...
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