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Dilute Acid Pre-Treatment of Oilseed Rape for Bioethanol Production.

Research to investigate the effect of biomass loading, acid concentration and pre-treatment time on the yield of sugars obtained after acid pre-treatment and enzymatic hydrolysis of oilseed rape straw.

Year of Publication2011

The objective of the research was to investigate the effect of biomass loading, acid concentration and pre-treatment time on the yield of sugars obtained after acid pre-treatment and enzymatic hydrolysis of oilseed rape (OSR) straw. The highest concentration of glucose (313.4 ± 7.53 mg g−1 biomass) extracted after hydrolysis was achieved when OSR straw was pre-treated for 90 min; a glucan conversion efficiency of 81%. The highest concentration of sugars extracted immediately after pre-treatment was achieved with a pre-treatment time of 60 min. Pre-treatment energy efficiency in terms of total yield of sugars per MJ of energy consumed was higher when OSR straw was pre-treated for 60 min compared to 90 min even though the conversion of sugar extracted was lower at 60 min.

Citation

Mathew, A., Chaney, K., Crook, M., Humphries, A (2011) "Dilute Acid Pre-Treatment of Oilseed Rape for Bioethanol Production."Renewable Energy 36 (9) pp 2424-2432.

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Additional keywords/tags

hydrolysisoilseed rape strawglucosecellulasedilute sulfuric acid
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Supporting the development of the national rural economy.

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