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Dilute acid pretreatment and fermentation of sugar beet pulp to ethanol

Author

Listed:
  • Zheng, Yi
  • Lee, Christopher
  • Yu, Chaowei
  • Cheng, Yu-Shen
  • Zhang, Ruihong
  • Jenkins, Bryan M.
  • VanderGheynst, Jean S.

Abstract

Sugar beet pulp (SBP) is the residue of beet sugar processing and is a promising feedstock for fuel ethanol production. Response surface methodology was used to investigate the effects of temperature, acid concentration and solid loading on dilute sulfuric acid pretreatment and enzymatic hydrolysis of SBP. Mass balances on cellulose, hemicellulose, pectin, and protein were performed and sugar degradation products such as 5-hydroxymethylfurfural (HMF), furfural and acetic acid were monitored. Scanning electron microscopy was used to study changes in the physical structure of SBP upon pretreatment. Acid pretreatment increased the enzymatic digestibility of SBP from 33% (raw) to 93% (treated). Pretreatment at optimum conditions (temperature=120°C, acid concentration=0.66% and solid loading=6%) resulted in 93% enzymatic hydrolysis yield and 62% total reducing sugar yield. The ethanol yield from pretreated SBP under the optimum conditions was 0.4g ethanol/g dry matter in a simultaneous saccharification and fermentation (SSF) process employing Escherichia coli KO11.

Suggested Citation

  • Zheng, Yi & Lee, Christopher & Yu, Chaowei & Cheng, Yu-Shen & Zhang, Ruihong & Jenkins, Bryan M. & VanderGheynst, Jean S., 2013. "Dilute acid pretreatment and fermentation of sugar beet pulp to ethanol," Applied Energy, Elsevier, vol. 105(C), pages 1-7.
    • Handle: RePEc:eee:appene:v:105:y:2013:i:c:p:1-7
    DOI: 10.1016/j.apenergy.2012.11.070
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    Cited by:

    1. Xu, Youjie & Wang, Donghai, 2017. "Integrating starchy substrate into cellulosic ethanol production to boost ethanol titers and yields," Applied Energy, Elsevier, vol. 195(C), pages 196-203.
    2. Singh, Shuchi & Khanna, Swati & Moholkar, Vijayanand S. & Goyal, Arun, 2014. "Screening and optimization of pretreatments for Parthenium hysterophorus as feedstock for alcoholic biofuels," Applied Energy, Elsevier, vol. 129(C), pages 195-206.
    3. Weronika Cieciura-Włoch & Michał Binczarski & Jolanta Tomaszewska & Sebastian Borowski & Jarosław Domański & Piotr Dziugan & Izabela Witońska, 2019. "The Use of Acidic Hydrolysates after Furfural Production from Sugar Waste Biomass as a Fermentation Medium in the Biotechnological Production of Hydrogen," Energies, MDPI, vol. 12(17), pages 1-17, August.
    4. Huang, Caoxing & Jiang, Xiao & Shen, Xiaojun & Hu, Jinguang & Tang, Wei & Wu, Xinxing & Ragauskas, Arthur & Jameel, Hasan & Meng, Xianzhi & Yong, Qiang, 2022. "Lignin-enzyme interaction: A roadblock for efficient enzymatic hydrolysis of lignocellulosics," Renewable and Sustainable Energy Reviews, Elsevier, vol. 154(C).
    5. Małgorzata Pawłowska & Magdalena Zdeb & Monika Nieścioruk, 2023. "Efficiency of Chemical Pretreatment of Sugar Beet Pulp Biomass Intended to Energy Production via Biological Processes," Energies, MDPI, vol. 16(2), pages 1-12, January.
    6. Caspeta, Luis & Caro-Bermúdez, Mario A. & Ponce-Noyola, Teresa & Martinez, Alfredo, 2014. "Enzymatic hydrolysis at high-solids loadings for the conversion of agave bagasse to fuel ethanol," Applied Energy, Elsevier, vol. 113(C), pages 277-286.
    7. 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.
    8. Imai, Akihisa & Hardi, Flabianus & Lundqvist, Petter & Furusjö, Erik & Kirtania, Kawnish & Karagöz, Selhan & Tekin, Kubilay & Yoshikawa, Kunio, 2018. "Alkali-catalyzed hydrothermal treatment of sawdust for production of a potential feedstock for catalytic gasification," Applied Energy, Elsevier, vol. 231(C), pages 594-599.
    9. Xia, Ao & Cheng, Jun & Ding, Lingkan & Lin, Richen & Song, Wenlu & Su, Huibo & Zhou, Junhu & Cen, Kefa, 2015. "Substrate consumption and hydrogen production via co-fermentation of monomers derived from carbohydrates and proteins in biomass wastes," Applied Energy, Elsevier, vol. 139(C), pages 9-16.

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