300 dpi: (d3334-1.jpg)
640 pixels wide: (d3334-1.jpg)
 Image Number D3334-1 |
At the ARS Bioenergy Research Unit in Peoria, Illinois, chemical engineer Nasib Qureshi observes and controls a fermentor in which butanol is produced from corn stover and recovered simultaneously with a vacuum.
Photo by Scott Bauer.
