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Enzyme cocktail could eliminate a step in biofuel process
Source : sciencedaily.com
Researchers at Virginia Tech, Oak Ridge National Laboratory (ORNL), and the University of Georgia have produced hydrogen gas pure enough to power a fuel cell by mixing 14 enzymes, one coenzyme, cellulosic materials from nonfood sources, and water heated to about 90 degrees (32 C). The group announced three advances from their "one pot" process: 1) a novel combination of enzymes, 2) an increased hydrogen generation rate - to as fast as natural hydrogen fermentation, and 3) a chemical energy output greater than the chemical energy stored in sugars - the highest hydrogen yield reported from cellulosic materials. "In addition to converting the chemical energy from the sugar, the process also converts the low-temperature thermal energy into high-quality hydrogen energy - like Prometheus stealing fire", said Percival Zhang, assistant professor of biological systems engineering in the College of Agriculture and Life Sciences at Virginia Tech.
read more ...
10 January 2011 |
Research ::
Bioethanol ::
United States & Canada
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Articles in the category 'Research' (133 articles)
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