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Dilute acid pre-treatment of oilseed rape straw for bioethanol production

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  • Mathew, Anil Kuruvilla
  • Chaney, Keith
  • Crook, Mitch
  • Humphries, Andrea Claire

Abstract

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.

Suggested Citation

  • Mathew, Anil Kuruvilla & Chaney, Keith & Crook, Mitch & Humphries, Andrea Claire, 2011. "Dilute acid pre-treatment of oilseed rape straw for bioethanol production," Renewable Energy, Elsevier, vol. 36(9), pages 2424-2432.
    • Handle: RePEc:eee:renene:v:36:y:2011:i:9:p:2424-2432
    DOI: 10.1016/j.renene.2011.01.030
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    References listed on IDEAS

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    1. Felix, Erika & Tilley, David R., 2009. "Integrated energy, environmental and financial analysis of ethanol production from cellulosic switchgrass," Energy, Elsevier, vol. 34(4), pages 410-436.
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    Cited by:

    1. Zhang, Qi & Zhang, Pengfei & Pei, Z.J. & Wang, Donghai, 2013. "Relationships between cellulosic biomass particle size and enzymatic hydrolysis sugar yield: Analysis of inconsistent reports in the literature," Renewable Energy, Elsevier, vol. 60(C), pages 127-136.
    2. Barakat, Abdellatif & Chuetor, Santi & Monlau, Florian & Solhy, Abderrahim & Rouau, Xavier, 2014. "Eco-friendly dry chemo-mechanical pretreatments of lignocellulosic biomass: Impact on energy and yield of the enzymatic hydrolysis," Applied Energy, Elsevier, vol. 113(C), pages 97-105.
    3. Smichi, Neila & Messaoudi, Yosra & Ksouri, Riadh & Abdelly, Chedly & Gargouri, Mohamed, 2014. "Pretreatment and enzymatic saccharification of new phytoresource for bioethanol production from halophyte species," Renewable Energy, Elsevier, vol. 63(C), pages 544-549.
    4. Wang, Zhi-Wen & Zhu, Ming-Qiang & Li, Ming-Fei & Wei, Qin & Sun, Run-Cang, 2019. "Effects of hydrothermal treatment on enhancing enzymatic hydrolysis of rapeseed straw," Renewable Energy, Elsevier, vol. 134(C), pages 446-452.

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