Standard

Continuous dark fermentative hydrogen production by mesophilic microflora: Principles and progress. / Kyazze, Godfrey; Hawkes, Freda; Hawkes, Dennis; Dinsdale, Richard; Hussy, Ines.

In: International Journal of Hydrogen Energy, Vol. 32, No. 2, 01.02.2007, p. 172 - 184.

Research output: Contribution to journalArticle

Harvard

Kyazze, G, Hawkes, F, Hawkes, D, Dinsdale, R & Hussy, I 2007, 'Continuous dark fermentative hydrogen production by mesophilic microflora: Principles and progress', International Journal of Hydrogen Energy, vol. 32, no. 2, pp. 172 - 184. https://doi.org/10.1016/j.ijhydene.2006.08.014

APA

Kyazze, G., Hawkes, F., Hawkes, D., Dinsdale, R., & Hussy, I. (2007). Continuous dark fermentative hydrogen production by mesophilic microflora: Principles and progress. International Journal of Hydrogen Energy, 32(2), 172 - 184. https://doi.org/10.1016/j.ijhydene.2006.08.014

Vancouver

Kyazze G, Hawkes F, Hawkes D, Dinsdale R, Hussy I. Continuous dark fermentative hydrogen production by mesophilic microflora: Principles and progress. International Journal of Hydrogen Energy. 2007 Feb 1;32(2):172 - 184. https://doi.org/10.1016/j.ijhydene.2006.08.014

Author

Kyazze, Godfrey ; Hawkes, Freda ; Hawkes, Dennis ; Dinsdale, Richard ; Hussy, Ines. / Continuous dark fermentative hydrogen production by mesophilic microflora: Principles and progress. In: International Journal of Hydrogen Energy. 2007 ; Vol. 32, No. 2. pp. 172 - 184.

BibTeX

@article{9a1c039ccdd2445aa550c4a075a75a25,
title = "Continuous dark fermentative hydrogen production by mesophilic microflora: Principles and progress",
abstract = "Abstract Continuous, dark fermentative hydrogen production technology using mixed microflora at mesophilic temperatures may be suitable for commercial development. Clostridial-based cultures from natural sources have been widely used, but more information on the need for heat treatment of inocula and conditions leading to germination and sporulation are required. The amount of nutrients given in the literature vary widely. Hydrogen production is reported to proceed without methane production in the reactor in the pH range 4.5–6.7, with hydraulic retention times optimally between a few hours and 3 days depending on substrate. Higher substrate concentrations should be more energy-efficient but there are product inhibition limitations, for example from unionised butyric acid. Inhibition by H2 can be reduced by stirring, sparging or extraction through membranes. Of the reactor types investigated, while granules have the best performance with soluble substrate, for particulate feedstock biofilm reactors or continuous stirred tank reactors may be most successful. A second stage is required to utilise the fermentation end products which, when cost-effective reactors are developed, may be photofermentation or microbial fuel cell technologies. Anaerobic digestion is a currently-available technology and the two-stage process is reported to give greater conversion efficiency than anaerobic digestion alone.",
keywords = "hydrogen production, fermentation",
author = "Godfrey Kyazze and Freda Hawkes and Dennis Hawkes and Richard Dinsdale and Ines Hussy",
year = "2007",
month = "2",
day = "1",
doi = "10.1016/j.ijhydene.2006.08.014",
language = "English",
volume = "32",
pages = "172 -- 184",
journal = "International Journal of Hydrogen Energy",
issn = "0360-3199",
publisher = "Elsevier",
number = "2",

}

RIS

TY - JOUR

T1 - Continuous dark fermentative hydrogen production by mesophilic microflora: Principles and progress

AU - Kyazze, Godfrey

AU - Hawkes, Freda

AU - Hawkes, Dennis

AU - Dinsdale, Richard

AU - Hussy, Ines

PY - 2007/2/1

Y1 - 2007/2/1

N2 - Abstract Continuous, dark fermentative hydrogen production technology using mixed microflora at mesophilic temperatures may be suitable for commercial development. Clostridial-based cultures from natural sources have been widely used, but more information on the need for heat treatment of inocula and conditions leading to germination and sporulation are required. The amount of nutrients given in the literature vary widely. Hydrogen production is reported to proceed without methane production in the reactor in the pH range 4.5–6.7, with hydraulic retention times optimally between a few hours and 3 days depending on substrate. Higher substrate concentrations should be more energy-efficient but there are product inhibition limitations, for example from unionised butyric acid. Inhibition by H2 can be reduced by stirring, sparging or extraction through membranes. Of the reactor types investigated, while granules have the best performance with soluble substrate, for particulate feedstock biofilm reactors or continuous stirred tank reactors may be most successful. A second stage is required to utilise the fermentation end products which, when cost-effective reactors are developed, may be photofermentation or microbial fuel cell technologies. Anaerobic digestion is a currently-available technology and the two-stage process is reported to give greater conversion efficiency than anaerobic digestion alone.

AB - Abstract Continuous, dark fermentative hydrogen production technology using mixed microflora at mesophilic temperatures may be suitable for commercial development. Clostridial-based cultures from natural sources have been widely used, but more information on the need for heat treatment of inocula and conditions leading to germination and sporulation are required. The amount of nutrients given in the literature vary widely. Hydrogen production is reported to proceed without methane production in the reactor in the pH range 4.5–6.7, with hydraulic retention times optimally between a few hours and 3 days depending on substrate. Higher substrate concentrations should be more energy-efficient but there are product inhibition limitations, for example from unionised butyric acid. Inhibition by H2 can be reduced by stirring, sparging or extraction through membranes. Of the reactor types investigated, while granules have the best performance with soluble substrate, for particulate feedstock biofilm reactors or continuous stirred tank reactors may be most successful. A second stage is required to utilise the fermentation end products which, when cost-effective reactors are developed, may be photofermentation or microbial fuel cell technologies. Anaerobic digestion is a currently-available technology and the two-stage process is reported to give greater conversion efficiency than anaerobic digestion alone.

KW - hydrogen production

KW - fermentation

U2 - 10.1016/j.ijhydene.2006.08.014

DO - 10.1016/j.ijhydene.2006.08.014

M3 - Article

VL - 32

SP - 172

EP - 184

JO - International Journal of Hydrogen Energy

JF - International Journal of Hydrogen Energy

SN - 0360-3199

IS - 2

ER -

ID: 64336