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Bioconversion of residual glycerol from biodiesel synthesis into 1,3-propanediol and ethanol by isolated bacteria from environmental consortia

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  • Rossi, Daniele Misturini
  • da Costa, Janaína Berne
  • de Souza, Elisangela Aquino
  • Peralba, Maria do Carmo Ruaro
  • Ayub, Marco Antônio Záchia

Abstract

Residual (raw) glycerol originated from biodiesel synthesis is becoming of great environmental and economical concern due to its ever-growing surplus. In the present study, several bacterial strains were isolated and characterized for their ability to convert this raw glycerol into 1,3-propanediol (1,3-PD) and ethanol. The best producers of both 1,3-PD and ethanol were identified by 16S rDNA sequences to be Klebsiella pneumoniae and Pantoea agglomerans strains. Batch bioreactor cultivations under anaerobic and aerobic conditions were carried out in order to access the kinetics of glycerol consumption and product formation. Results showed that one isolated, K. pneumoniae BLh-1, was able to simultaneously produce up to 9.4 g/L of 1,3-PD with yields of 0.41 mol product mol−1 glycerol, and 6.1 g/L of ethanol with yields of 0.14 mol product mol−1 glycerol under anaerobic conditions, showing great potential for bioprocesses.

Suggested Citation

  • Rossi, Daniele Misturini & da Costa, Janaína Berne & de Souza, Elisangela Aquino & Peralba, Maria do Carmo Ruaro & Ayub, Marco Antônio Záchia, 2012. "Bioconversion of residual glycerol from biodiesel synthesis into 1,3-propanediol and ethanol by isolated bacteria from environmental consortia," Renewable Energy, Elsevier, vol. 39(1), pages 223-227.
    • Handle: RePEc:eee:renene:v:39:y:2012:i:1:p:223-227
    DOI: 10.1016/j.renene.2011.08.005
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    Cited by:

    1. Cansino, JM & Cardenete, MA & González-Limón, JM & Román, R, 2013. "Economic impacts of biofuels deployment in Andalusia," Renewable and Sustainable Energy Reviews, Elsevier, vol. 27(C), pages 274-282.
    2. Aquino de Souza, Elisangela & Rossi, Daniele Misturini & Záchia Ayub, Marco Antônio, 2014. "Bioconversion of residual glycerol from biodiesel synthesis into 1,3-propanediol using immobilized cells of Klebsiella pneumoniae BLh-1," Renewable Energy, Elsevier, vol. 72(C), pages 253-257.
    3. Rossi, Daniele Misturini & de Souza, Elisangela Aquino & Flôres, Simone Hickmann & Ayub, Marco Antônio Záchia, 2013. "Conversion of residual glycerol from biodiesel synthesis into 1,3-propanediol by a new strain of Klebsiella pneumoniae," Renewable Energy, Elsevier, vol. 55(C), pages 404-409.
    4. Prabakar, Desika & Manimudi, Varshini T. & Suvetha K, Subha & Sampath, Swetha & Mahapatra, Durga Madhab & Rajendran, Karthik & Pugazhendhi, Arivalagan, 2018. "Advanced biohydrogen production using pretreated industrial waste: Outlook and prospects," Renewable and Sustainable Energy Reviews, Elsevier, vol. 96(C), pages 306-324.
    5. Laura, Mitrea & Monica, Trif & Dan-Cristian, Vodnar, 2020. "The effect of crude glycerol impurities on 1,3-propanediol biosynthesis by Klebsiella pneumoniae DSMZ 2026," Renewable Energy, Elsevier, vol. 153(C), pages 1418-1427.
    6. Monteiro, Marcos Roberto & Kugelmeier, Cristie Luis & Pinheiro, Rafael Sanaiotte & Batalha, Mario Otávio & da Silva César, Aldara, 2018. "Glycerol from biodiesel production: Technological paths for sustainability," Renewable and Sustainable Energy Reviews, Elsevier, vol. 88(C), pages 109-122.
    7. de Almeida Silva, Maria Cristina & Monteggia, Luiz Olinto & Alves Barroso Júnior, José Carlos & Granada, Camille Eichelberger & Giongo, Adriana, 2020. "Evaluation of semi-continuous operation to hydrogen and volatile fatty acids production using raw glycerol as substrate," Renewable Energy, Elsevier, vol. 153(C), pages 701-710.

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