Abstract
Abstract >> This study was conducted to investigate the effect of thermal pre-treatment on bio-hydrogen fromfood waste. Two continuous reactors operated and VFAs(volatile fatty acids) production and microbial communitieswere 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% inR1 and R2, respectively. Key words : Anaerobic hydrogen fermentation(혐기성 수소 발효), Food waste(음식물류 폐기물), Fluorescencein situ hybridization analysis(형광 원위치 부합법), Volatile fatty acids(휘발성 지방산), Thermal pre-treatment( 열전처리) † Corresponding author : chaeyoung@suwon.ac.kr [ 접수일 : 2013.11.29 수정일 : 2014.2.19 게재확정일 : 2014.2.28 ]Copyright ⓒ 2014 KHNES
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