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US 2006/0141584 A1Published application
Pretreatment of biomass for ethanol production
OwnerDavid Litzen, David Dixon +2inventors
InventorsDavid Litzen, David Dixon, Patrick Gilcrease, Robb Winter
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Abstract
A pretreatment of biomass for ethanol production is disclosed. The pretreatment of biomass such as sawdust or wood chips by processing such biomass through an extruder results in a greatly increased recovery of sugar using hydrolysis.
Claims1
A method for pretreating biomass resulting in a significant increase in sugar recovery from such biomass comprising:
- Pretreating the biomass by processing said biomass through a twin screw extruder prior to hydrolysis.
Dependencies are inferred from the claim text.