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http://dx.doi.org/10.7316/KHNES.2014.25.1.011

Performance and Microbial Characteristics of Bio-hydrogen Production from Food Waste with Thermal Pre-treatment  

Lee, Chaeyoung (Dept. of Civil Eng., The University of Suwon, Institute River Environmental Technology)
Choi, Jaemin (Dept. of Civil Eng., The University of Suwon, Institute River Environmental Technology)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.25, no.1, 2014 , pp. 11-18 More about this Journal
Abstract
This study was conducted to investigate the effect of thermal pre-treatment on bio-hydrogen from food waste. Two continuous reactors operated and VFAs(volatile fatty acids) production and microbial communities were analyzed. The average hydrogen yield was 0.50 and 0.33mol $H_2/mol$ $hexose_{added}$ in thermally treated food added reactor(R1) and control(R2), respectively. Butyrate concentration was similarly 7,500mg/L in both reactors, but two times higher lactate concentration was observed in R2(3,800mg/L). The results of FISH(fluorescence in situ hybridization) showed that the relative microorganism to hydrogen producing bacteria was 78 and 27% in R1 and R2, respectively.
Keywords
Anaerobic hydrogen fermentation; Food waste; Fluorescence in situ hybridization analysis; Volatile fatty acids; Thermal pre-treatment;
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Times Cited By KSCI : 2  (Citation Analysis)
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