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Ultrasound 'making waves' for enhancing biofuel productionWashington DC (SPX) Jun 04, 2013 All chefs know that "you have to break some eggs to make an omelet," and that includes engineers at Iowa State University who are using high-frequency sound waves to break down plant materials in order to cook up a better batch of biofuel. Research by David Grewell, associate professor of agricultural and biosystems engineering, and his colleagues Melissa Montalbo-Lomboy and Priyanka Chand, has shown that "pretreating" a wide variety of feedstocks (including switch grass, corn stover, and soft woo ... read more |
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