Hydrogen productivity of photosynthetic bacteria on dark fermenter effluent of potato steam peels hydrolysate

被引:40
作者
Afsar, Nilufer [2 ]
Ozgur, Ebru [1 ]
Gurgan, Muazzez [2 ]
Akkose, Sevilay [2 ]
Yucel, Meral [2 ]
Gunduz, Ufuk [2 ]
Eroglu, Inci [1 ]
机构
[1] Middle E Tech Univ, Dept Chem Engn, TR-06531 Ankara, Turkey
[2] Middle E Tech Univ, Dept Biol, TR-06531 Ankara, Turkey
关键词
Biohydrogen; Photofermentation; Dark fermentation; Potato steam peels; Purple non-sulfur bacteria; RHODOBACTER-SPHAEROIDES OU001; BIOHYDROGEN PRODUCTION; PHOTO-FERMENTATION; CAPSULATUS; ACETATE; YIELD;
D O I
10.1016/j.ijhydene.2010.09.096
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Hydrogen productivities of different photosynthetic bacteria have been searched on real thermophilic dark fermentation effluents (DFE). The results obtained with potato steam peels hydrolysate (PSP) DFE were compared to glucose DFE. Photobiological hydrogen production has been carried out in indoor, batch photobioreactors using several strains of purple non-sulfur (PNS) bacteria such as Rhodobacter capsulatus (DSM1710), Rhodobacter capsulatus hup- (YO3), Rhodobacter sphaeroides O.U.001 (DSM5864), Rb. sphaeroides O.U.001 hup- and Rhodopseudomonas palustris. The efficiency of photofermentation depends highly on the composition of the effluent and the PNS bacterial strain used. Rb. sphaeroides produced the highest amount of hydrogen on glucose DFE. Rb. capsulatus gave better results on PSP DFE. This study demonstrates that photobiological hydrogen production with high efficiency and productivity is possible on thermophilic dark fermentation effluents. Consequently, a sequential operation of dark fermentation and photofermentation is a promising route to produce hydrogen, and it provides a higher hydrogen yield compared to single step processes. (C) 2010 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:432 / 438
页数:7
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