Thursday, September 10, 2015 - 4:00pm
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Pierce Hall, 100F, 29 Oxford St., Cambridge

Environmental Sciences & Engineering Lecture Series

Dr. Caitlyn Butler, University of Massachusetts, Amherst, MA, will discuss "Wastewater Treatment: Changing the Mass and Energy Balances to our Advantage" as part of the Harvard School of Engineering and Applied Sciences's Environmental Sciences & Engineering Lecture Series.

Abstract: Wastewater treatment, as currently practiced in the United States and many other places in the world, is energy intensive, often requires chemical, and produces solid wastes.  Little is recovered except cleaner water.  Additionally, many centralized treatment approaches are not accessible to growing communities. New approaches are needed that transform treatment to resource recovery efforts. I will describe energy-efficient biofilm systems with opportunities for resource recovery such as bio-electrochemical systems (BESs) where some of the chemical potential in wastewater can be converted to electrical energy and phototrophic aggregates that have potential to be a biofuel or biogas feedstock. Energy-efficiency and resource recovery could yield cost-savings in centralized treatment systems but also, could have applications as small, low-maintenance decentralized systems in developing areas.

Contact Name: 

Olivera Saric Knezic

Research Areas: 

Harvard University
Center for the Environment

Address: 26 Oxford Street, 4th Floor, Cambridge
Phone: (617) 495-0368

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