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Production of bioethanol from apple pomace by using cocultures: Conversion of agro-industrial waste to value added product

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  • Evcan, Ezgi
  • Tari, Canan

Abstract

Direct fermentation of cellulosic biomass to bioethanol has been very promising and hence attracted attention in recent years. In this study, bioethanol production from apple pomace hydrolysate (agro-industrial waste product) was investigated by coculturing Trichoderma harzianum, Aspergillus sojae and Saccharomyces cerevisiae using statistical approaches. Screening and optimization experiments were conducted in order to determine the significant factors and their optimum levels for maximum bioethanol production. Inoculation rates, aeration and agitation speed were considered as factor variables and bioethanol production as response variable. Highest bioethanol (EtOH) concentration and ethanol yield on total reducing sugar content (YP/S) were 8.748 g/L and 0.945 g/g, respectively. Optimum conditions were 6% (w/v) inoculation rates of T.harzianum and A.sojae, and 4% (v/v) inoculation rate of S.cerevisiae with vented aeration method and agitation speed of 200 rpm. To best of our knowledge to date, no reports are available in literature regarding the coculturing of T.harzianum, A.sojae and S.cerevisiae for bioethanol production. Therefore, this study will serve as a base line of initial studies in this field. The method can create a renewable alternative feedstock for fossil fuel production and suggest a feasible solution to multiple environmental problems simultaneously creating a sink for waste utilization.

Suggested Citation

  • Evcan, Ezgi & Tari, Canan, 2015. "Production of bioethanol from apple pomace by using cocultures: Conversion of agro-industrial waste to value added product," Energy, Elsevier, vol. 88(C), pages 775-782.
    • Handle: RePEc:eee:energy:v:88:y:2015:i:c:p:775-782
    DOI: 10.1016/j.energy.2015.05.090
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    1. Gutiérrez-Rivera, Beatriz & Ortiz-Muñiz, Beningo & Gómez-Rodríguez, Javier & Cárdenas-Cágal, Angel & Domínguez González, José Manuel & Aguilar-Uscanga, Maria Guadalupe, 2015. "Bioethanol production from hydrolyzed sugarcane bagasse supplemented with molasses “B” in a mixed yeast culture," Renewable Energy, Elsevier, vol. 74(C), pages 399-405.
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    Cited by:

    1. Awasthi, Mukesh Kumar & Ferreira, Jorge A. & Sirohi, Ranjna & Sarsaiya, Surendra & Khoshnevisan, Benyamin & Baladi, Samin & Sindhu, Raveendran & Binod, Parameswaran & Pandey, Ashok & Juneja, Ankita & , 2021. "A critical review on the development stage of biorefinery systems towards the management of apple processing-derived waste," Renewable and Sustainable Energy Reviews, Elsevier, vol. 143(C).
    2. Ravi Kant Bhatia & Deepak Sakhuja & Shyam Mundhe & Abhishek Walia, 2020. "Renewable Energy Products through Bioremediation of Wastewater," Sustainability, MDPI, vol. 12(18), pages 1-24, September.
    3. Demiray, Ekin & Karatay, Sevgi Ertuğrul & Dönmez, Gönül, 2018. "Evaluation of pomegranate peel in ethanol production by Saccharomyces cerevisiae and Pichia stipitis," Energy, Elsevier, vol. 159(C), pages 988-994.
    4. Renzi, Massimiliano & Bietresato, Marco & Mazzetto, Fabrizio, 2016. "An experimental evaluation of the performance of a SI internal combustion engine for agricultural purposes fuelled with different bioethanol blends," Energy, Elsevier, vol. 115(P1), pages 1069-1080.
    5. Naseeruddin, Shaik & Desai, Suseelendra & Venkateswar Rao, L., 2017. "Ethanol production from lignocellulosic substrate Prosopis juliflora," Renewable Energy, Elsevier, vol. 103(C), pages 701-707.
    6. Borujeni, Nasim Espah & Karimi, Keikhosro & Denayer, Joeri F.M. & Kumar, Rajeev, 2022. "Apple pomace biorefinery for ethanol, mycoprotein, and value-added biochemicals production by Mucor indicus," Energy, Elsevier, vol. 240(C).
    7. Taghizadeh-Alisaraei, Ahmad & Hosseini, Seyyed Hasan & Ghobadian, Barat & Motevali, Ali, 2017. "Biofuel production from citrus wastes: A feasibility study in Iran," Renewable and Sustainable Energy Reviews, Elsevier, vol. 69(C), pages 1100-1112.

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