Journal
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
Volume 40, Issue -, Pages 806-813Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.rser.2014.08.014
Keywords
Biohydrogen; Production; Continuous system; Bioreactor; Start-up
Funding
- European Union [TAMOP 4.2.4.A/2-11-1-2012-0001, TAMOP 4.2.2/A-11/1/KONV-2012-0071]
- State of Hungary
- European Social Fund
- Hungarian Academy of Sciences
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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 H-2 producing bioreactor start-up are comprehensively surveyed. Firstly, the importance of H-2-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. (C) 2014 Elsevier Ltd. All rights reserved.
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