Alkaline peroxide pretreatment of corn stover: effects of biomass, peroxide, and enzyme loading and composition on yields of glucose and xylose
2011

Improving Sugar Yields from Corn Stover Using Alkaline Peroxide Pretreatment

publication Evidence: moderate

Author Information

Author(s): Goutami Banerjee, Suzana Car, John S. Scott-Craig, David B. Hodge, Jonathan D. Walton

Primary Institution: Michigan State University

Hypothesis

Can alkaline hydrogen peroxide pretreatment improve the yields of glucose and xylose from corn stover?

Conclusion

Alkaline peroxide is an effective pretreatment for corn stover, yielding high amounts of glucose and xylose with low environmental impact.

Supporting Evidence

  • Higher biomass loadings resulted in increased glucose and xylose yields.
  • Optimized enzyme mixtures significantly improved sugar yields compared to single enzyme treatments.
  • Alkaline peroxide pretreatment operates at low temperatures and atmospheric pressure, making it cost-effective.

Takeaway

Using a special treatment with hydrogen peroxide helps turn corn plants into sugar more easily, which can be used for making biofuels.

Methodology

The study tested various combinations of biomass loading, hydrogen peroxide loading, and enzyme mixtures to optimize sugar yields from corn stover.

Limitations

The study did not explore the long-term economic viability of the pretreatment process.

Digital Object Identifier (DOI)

10.1186/1754-6834-4-16

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