Converting Wheat Straw to Bioethanol
Author Information
Author(s): Maas Ronald HW, Bakker Robert R, Boersma Arjen R, Bisschops Iemke, Pels Jan R, de Jong Ed, Weusthuis Ruud A, Reith Hans
Primary Institution: Wageningen University and Research Centre
Hypothesis
Can lime-treated wheat straw be effectively converted into bioethanol while valorizing side streams?
Conclusion
The study successfully converted lime-treated wheat straw into bioethanol, producing a suitable fuel and valuable by-products.
Supporting Evidence
- Ethanol concentration reached 21.4 g/liter after 53 hours of fermentation.
- The study achieved a 48% glucan-to-ethanol conversion of the theoretical maximum.
- The produced ethanol met transportation fuel specifications.
- The solid fraction from distillation can be used for thermal energy generation.
Takeaway
This study shows how we can turn leftover wheat straw into fuel for cars and other useful things, helping the environment.
Methodology
The study involved pretreating wheat straw with lime, followed by simultaneous saccharification and fermentation to produce ethanol.
Limitations
The ethanol yield was lower at pilot scale compared to laboratory results, possibly due to higher dry-matter content and process conditions.
Digital Object Identifier (DOI)
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