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Nanotech coatings produce 20 times more electricity from sewage
Date:7/21/2010

Engineering and College of Agricultural Sciences, including Hong Liu, an assistant professor of biological and ecological engineering, are national leaders in development of this technology, which could significantly reduce the cost of wastewater treatment in the United States. It might also find applications in rural areas or developing nations, where the lack of an adequate power supply makes wastewater treatment impractical. It may be possible to create sewage treatment plants that are completely self-sufficient in terms of energy usage.

The technology already works on a laboratory basis, researchers say, but advances are necessary to lower its cost, improve efficiency and electrical output, and identify the lowest cost materials that can be used.

This research has been supported by the National Science Foundation and the Oregon Nanoscience and Microtechnologies Institute.

"Recent advances in nanofabrication provide a unique opportunity to develop efficient electrode materials due to the remarkable structural, electrical and chemical properties of nanomaterials," the researchers wrote in their report. "This study demonstrated that nano-decoration can greatly enhance the performance of microbial anodes."


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Contact: Frank Chaplen
frank.chaplen@oregonstate.edu
541-737-1015
Oregon State University
Source:Eurekalert

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