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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number K4755-9

Microbiologist Rodney Bothast adjusts a laboratory fermenter that uses glycerol from vegetable oil. After fermentation and a couple of intermediate steps, the glycerol becomes acrylic acid that can be used to make plastic goods.

Photo by Keith Weller.

640 pixels wide: (k4755-9.jpg)

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Last Modified: 5/23/2006
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