AMES, Iowa – Iowa State University’s Lysle Whitmer walked the length of the bio-oil production line – from the 55-gallon solvent tank to the twin-screw extruder with its mixing, chopping, heating and ...
Injecting bio-oil made from corn stalks and forest debris into the deep shafts of abandoned crude oil wells could be a viable form of carbon sequestration, a new Iowa State University study found.