TY - JOUR
T1 - Enhanced continuous biohydrogen production by immobilized anaerobic microflora
AU - Zhang, Zhen-Peng
AU - Show, Kuan-Yeow
AU - Tay, Joo-Hwa
AU - Liang, David Tee
AU - Lee, Duu-Jong
N1 - Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].
PY - 2008/1
Y1 - 2008/1
N2 - Biohydrogen production from suspended, biofilm, or granular sludge fed with a glucose substrate was examined in a continuous stirred tank reactor (CSTR) and anaerobic fluidized bed reactors (AFBRs) operating at a temperature of 37 °C and a pH of 5.5. Comparing with a hydrogen production rate of 0.32 L/(L·h) by suspended sludge in the CSTR, a 10-fold and a more than 20-fold increases in hydrogen production rate were achieved by granular sludge in the CSTR and granular or biofilm sludge in AFBRs, respectively, while keeping a comparable hydrogen yield with the suspended culture. Although a comparable performance in hydrogen production was demonstrated by both granular sludge and biofilm. in the AFBRs, the biofilm may be washed out and replaced completely in a longer term of operation. Formation of granular sludge and biofilm substantially enhanced biomass retention which was closely associated with reactor configuration and hydrogen production performance. A granule-base column-shaped reactor system appears to be the preferred process for continuous hydrogen fermentation on glucose substrate. © 2008 American Chemical Society.
AB - Biohydrogen production from suspended, biofilm, or granular sludge fed with a glucose substrate was examined in a continuous stirred tank reactor (CSTR) and anaerobic fluidized bed reactors (AFBRs) operating at a temperature of 37 °C and a pH of 5.5. Comparing with a hydrogen production rate of 0.32 L/(L·h) by suspended sludge in the CSTR, a 10-fold and a more than 20-fold increases in hydrogen production rate were achieved by granular sludge in the CSTR and granular or biofilm sludge in AFBRs, respectively, while keeping a comparable hydrogen yield with the suspended culture. Although a comparable performance in hydrogen production was demonstrated by both granular sludge and biofilm. in the AFBRs, the biofilm may be washed out and replaced completely in a longer term of operation. Formation of granular sludge and biofilm substantially enhanced biomass retention which was closely associated with reactor configuration and hydrogen production performance. A granule-base column-shaped reactor system appears to be the preferred process for continuous hydrogen fermentation on glucose substrate. © 2008 American Chemical Society.
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U2 - 10.1021/ef700272m
DO - 10.1021/ef700272m
M3 - RGC 21 - Publication in refereed journal
SN - 0887-0624
VL - 22
SP - 87
EP - 92
JO - Energy and Fuels
JF - Energy and Fuels
IS - 1
ER -
