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Biological hydrogen production from probiotic wastewater as substrate by selectively enriched anaerobic mixed microflora

Author

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  • Sivaramakrishna, D.
  • Sreekanth, D.
  • Himabindu, V.
  • Anjaneyulu, Y.

Abstract

Biohydrogen production from probiotic wastewater using mixed anaerobic consortia is reported in this paper. Batch tests are carried out in a 5.0L batch reactor under constant mesophillic temperature (37°C). The maximum hydrogen yield 1.8mol-hydrogen/mol-carbohydrate is obtained at an optimum pH of 5.5 and substrate concentration 5g/L. The maximum hydrogen production rate is 168ml/h. The hydrogen content in the biogas is more than 65% and no significant methane is observed throughout the study. In addition to hydrogen, acetate, propionate, butyrate and ethanol are found to be the main by-products in the metabolism of hydrogen fermentation.

Suggested Citation

  • Sivaramakrishna, D. & Sreekanth, D. & Himabindu, V. & Anjaneyulu, Y., 2009. "Biological hydrogen production from probiotic wastewater as substrate by selectively enriched anaerobic mixed microflora," Renewable Energy, Elsevier, vol. 34(3), pages 937-940.
    • Handle: RePEc:eee:renene:v:34:y:2009:i:3:p:937-940
    DOI: 10.1016/j.renene.2008.04.016
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    Cited by:

    1. 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.
    2. Wang, Shaojie & Zhang, Ting & Su, Haijia, 2016. "Enhanced hydrogen production from corn starch wastewater as nitrogen source by mixed cultures," Renewable Energy, Elsevier, vol. 96(PB), pages 1135-1141.
    3. Vasmara, Ciro & Marchetti, Rosa & Carminati, Domenico, 2021. "Wastewater from the production of lactic acid bacteria as feedstock in anaerobic digestion," Energy, Elsevier, vol. 229(C).

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