Review on the start-up experiences of continuous fermentative hydrogen producing bioreactors

P. Bakonyi, N. Nemestóthy, V. Simon and K. Bélafi-Bakó

Renewable and Sustainable Energy Reviews, 2014, vol. 40, issue C, 806-813

Abstract: The start-up of continuous biohydrogen fermentations is a complex procedure and a key to acceptable hydrogen production performance and successful long-term operation. In this review article, the experiences gained and lessons learned from relevant literature studies dealing with various aspects of H2 producing bioreactor start-up are comprehensively surveyed. Firstly, the importance of H2-forming biosystem start-up including its main steps is outlined. Afterwards, the role of main influencing factors and methods (e.g. strain selection, seed pretreatment and inocula stimulation, switch-over time, bioreactor design, operating conditions) in avoiding the deterioration of starting a reactor is analyzed and presented in detail. Finally, the so far suggested applicable start-up strategies and the corresponding findings are critically discussed pointing out the advantages and disadvantages of each strategy.

Keywords: Biohydrogen; Production; Continuous system; Bioreactor; Start-up (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (16)

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DOI: 10.1016/j.rser.2014.08.014

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