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United States Department of Agriculture

Agricultural Research Service

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Image Number K7408-6

Microbiologist Rodney Bothast (left) and technician Loren Iten add starter microorganisms to pilot-plant-size bioreactors in which ethanol is brewed from sugar mixtures derived from corn fiber.

Photo by Keith Weller.

640 pixels wide: (k7408-6.jpg)

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Last Modified: 3/14/2017
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