Sewage Treatment Innovation Promises Big Net Energy Gain via @ENRNews

Sewage Treatment Innovation Promises Big Net Energy Gain via @ENRNews

Researchers at Oregon State University have successfully lab-tested a new microbial fuel cell that can produce 10 to 50 times more electricity, per water volume, than other approaches. Photo courtesy of Oregon State University Improved microbial fuel cell generates electricity from wastewater during treatment. ----- Advertising ----- Microbial fuel cells (MFCs) are kind of like battery units in which bacteria consume organic matter in wastewater. Researchers use the energy from the consumption to produce electricity and clean the wastewater. The process uses biological catabolism, or fermentation, to oxidize a substrate and produce energy, says Hong Liu, associate professor of biological and ecological engineering at Oregon State University, Corvallis. Liu says the greatest challenge of MFC technology for practical applications is the amount of power they generate. "That h...

Full article: http://greensource.construction.com/news/2012/08/120828-s...

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