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Biofuel Waste Product Can Power Microbial Fuel Cells

An efficient and low-cost technique to generate electricity has been developed by researchers at the University of Surrey. According to the researchers, a by-product obtained during the manufacture of biofuels can be used to power microbial fuel cells. The latest study may help design self-powered tools. The work was presented at the Autumn Conference of Society for General Microbiology.

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Microbial fuel cells become 50 times more efficient

Engineers say they've developed microbial fuel cells that can produce up to 50 times more electricity directly from wastewater as previous efforts.The Oregon State University researchers say this could eventually change the way that wastewater is treated all over the world, replacing the widely used 'activated sludge' process that has been in use for almost a century

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Biofuel waste product used to generate power through microbial fuel cell

Researchers at the University of Surrey are using a waste product from biofuel production to produce clean energy with a microbial fuel cell.Distillers Dried Grain with Solubles or DDGS is a waste product from bioethanol production. DDGS is often used as a low-cost animal feed, but the University of Surrey researchers used it as a growth culture for the bacteria in their fuel cell.In a microbial fuel cell, energy is created from the catalytic reactions of microorganisms. Bacteria oxidize organic matter, producing electrons which create an electric current. MFC's can convert a wide range of organic waste products into energy.

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Microbial fuel cells become 50 times more efficient

Microbial fuel cells could produce electricity directly from wastewater and replace activated sludge and anaerobic digestion methods, researchers have claimed.Engineers at Oregon State University (OSU) have found that microbial fuel cells can produce electricity directly from wastewater, which they said will mean that wastewater treatment plants could eventually generate enough power to sell excess electricity.OSU claimed the technology can now produce 10 to 50 more times the electricity, per volume, than most other approaches using microbial fuel cells, and 100 times more electricity than some.

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