Bio-ethanol production research

Bio-ethanol production research

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Credit: STEPHEN AUSMUS/US DEPARTMENT OF AGRICULTURE/SCIENCE PHOTO LIBRARY

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Caption: Bio-ethanol production research. Chemists sampling cellulosic ethanol produced from wheat straw to assess its ethanol content and to monitor how quickly the sugars in the wheat straw are being fermented into ethanol. They are using a 100-litre fermenter as it allows the scientists to scale up the process so that they can fine-tune it and identify technical problems that might develop during large-scale ethanol production. Photographed at the National Center for Agricultural Utilization Research (NCAUR) Peoria, Illinois, USA.

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