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Bioethanol Production by Carbohydrate-Enriched Biomass of Arthrospira (Spirulina) p latensis

Author

Listed:
  • Giorgos Markou

    (Department of Natural Resources Management and Agricultural Engineering, Agricultural University of Athens, Iera Odos 75, Athens 11855, Greece)

  • Irini Angelidaki

    (Department of Environmental Engineering, Building 113, Technical University of Denmark, Lyngby 2800, Denmark)

  • Elias Nerantzis

    (Biotechnology and Industrial Fermentations Lab, Faculty of Food Science and Nutrition, Technological Educational Institution of Athens, Ag. Spyridon Street, Egaleo 12210, Athens, Greece)

  • Dimitris Georgakakis

    (Department of Natural Resources Management and Agricultural Engineering, Agricultural University of Athens, Iera Odos 75, Athens 11855, Greece)

Abstract

In the present study the potential of bioethanol production using carbohydrate-enriched biomass of the cyanobacterium Arthrospira platensis was studied. For the saccharification of the carbohydrate-enriched biomass, four acids (H 2 SO 4 , HNO 3 , HCl and H 3 PO 4 ) were investigated. Each acid were used at four concentrations, 2.5 N, 1 N, 0.5 N and 0.25 N, and for each acid concentration the saccharification was conducted under four temperatures (40 °C, 60 °C, 80 °C and 100 °C). Higher acid concentrations gave in general higher reducing sugars (RS) yields (%, g RS /g Total sugars ) with higher rates, while the increase in temperature lead to higher rates at lower acid concentration. The hydrolysates then were used as substrate for ethanolic fermentation by a salt stress-adapted Saccharomyces cerevisiae strain. The bioethanol yield (%, g EtOH /g Biomass ) was significantly affected by the acid concentration used for the saccharification of the carbohydrates. The highest bioethanol yields of 16.32% ± 0.90% (g EtOH /g Biomass ) and 16.27% ± 0.97% (g EtOH /g Biomass ) were obtained in hydrolysates produced with HNO 3 0.5 N and H 2 SO 4 0.5 N, respectively.

Suggested Citation

  • Giorgos Markou & Irini Angelidaki & Elias Nerantzis & Dimitris Georgakakis, 2013. "Bioethanol Production by Carbohydrate-Enriched Biomass of Arthrospira (Spirulina) p latensis," Energies, MDPI, vol. 6(8), pages 1-14, August.
    • Handle: RePEc:gam:jeners:v:6:y:2013:i:8:p:3937-3950:d:27767
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    References listed on IDEAS

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    1. Mustaqim, Dani & Ohtaguchi, Kazuhisa, 1997. "A synthesis of bioreactions for the production of ethanol from CO2," Energy, Elsevier, vol. 22(2), pages 353-356.
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    Cited by:

    1. Balasubramani Ravindran & Sanjay Kumar Gupta & Won-Mo Cho & Jung Kon Kim & Sang Ryong Lee & Kwang-Hwa Jeong & Dong Jun Lee & Hee-Chul Choi, 2016. "Microalgae Potential and Multiple Roles—Current Progress and Future Prospects—An Overview," Sustainability, MDPI, vol. 8(12), pages 1-16, November.
    2. Jafari Olia, Mahroo Seyed & Azin, Mehrdad & Moazami, Nasrin, 2022. "Application of a statistical design to evaluate bioethanol production from Chlorella S4 biomass after acid - Thermal pretreatment," Renewable Energy, Elsevier, vol. 182(C), pages 60-68.
    3. Beata Brzychczyk & Tomasz Hebda & Norbert Pedryc, 2020. "The Influence of Artificial Lighting Systems on the Cultivation of Algae: The Example of Chlorella vulgaris," Energies, MDPI, vol. 13(22), pages 1-14, November.
    4. Menegazzo, Mariana Lara & Fonseca, Gustavo Graciano, 2019. "Biomass recovery and lipid extraction processes for microalgae biofuels production: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 107(C), pages 87-107.
    5. Beata Brzychczyk & Tomasz Hebda & Jakub Fitas & Jan Giełżecki, 2020. "The Follow-up Photobioreactor Illumination System for the Cultivation of Photosynthetic Microorganisms," Energies, MDPI, vol. 13(5), pages 1-9, March.
    6. Lim, Jackson Hwa Keen & Gan, Yong Yang & Ong, Hwai Chyuan & Lau, Beng Fye & Chen, Wei-Hsin & Chong, Cheng Tung & Ling, Tau Chuan & Klemeš, Jiří Jaromír, 2021. "Utilization of microalgae for bio-jet fuel production in the aviation sector: Challenges and perspective," Renewable and Sustainable Energy Reviews, Elsevier, vol. 149(C).
    7. Deb, Dipanwita & Mallick, Nirupama & Bhadoria, P.B.S., 2021. "Engineering culture medium for enhanced carbohydrate accumulation in Anabaena variabilis to stimulate production of bioethanol and other high-value co-products under cyanobacterial refinery approach," Renewable Energy, Elsevier, vol. 163(C), pages 1786-1801.
    8. Rafał Łukajtis & Piotr Rybarczyk & Karolina Kucharska & Donata Konopacka-Łyskawa & Edyta Słupek & Katarzyna Wychodnik & Marian Kamiński, 2018. "Optimization of Saccharification Conditions of Lignocellulosic Biomass under Alkaline Pre-Treatment and Enzymatic Hydrolysis," Energies, MDPI, vol. 11(4), pages 1-27, April.
    9. Merckel, Ryan D. & Labuschagne, Frederick J.W.J. & Heydenrych, Michael D., 2020. "Energy metrics of fuel juxtaposed with mass yield metrics," Renewable Energy, Elsevier, vol. 159(C), pages 371-379.
    10. Yu, Kai Ling & Chen, Wei-Hsin & Sheen, Herng-Kuang & Chang, Jo-Shu & Lin, Chih-Sheng & Ong, Hwai Chyuan & Show, Pau Loke & Ng, Eng-Poh & Ling, Tau Chuan, 2020. "Production of microalgal biochar and reducing sugar using wet torrefaction with microwave-assisted heating and acid hydrolysis pretreatment," Renewable Energy, Elsevier, vol. 156(C), pages 349-360.
    11. Ngamsirisomsakul, Marika & Reungsang, Alissara & Liao, Qiang & Kongkeitkajorn, Mallika Boonmee, 2019. "Enhanced bio-ethanol production from Chlorella sp. biomass by hydrothermal pretreatment and enzymatic hydrolysis," Renewable Energy, Elsevier, vol. 141(C), pages 482-492.

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