Time,2008.171(15):28-32 [11]Shin H S.Youn J H,Kim S H.Hydrogen production from food waste in anaerobic mesophilic and thermophilic acidogenesis[J]. International Journal of Hydrogen Energy, 2004,29(13):1355-1363. [12]Han S K,Kim S H,Shin H S.UASB treatment of wastewater with VFA and alcohol generated during hydrogen fermentation of food waste[J].Process Biochemistry,2005,40(8):2897-2905. [13]Kulkarni M G,Dalai A K.Waste cooking oil an economical source for biodiesel:A review[J].Industrial engineering chemistry research,2006,45(9):2901-2913.Time, 2008, 171(15): 28-32. [11] Shin H S, Youn J H, Kim S H. Hydrogen production from food waste in anaerobic mesophilic and thermophilic acidogenesis[J]. International Journal of Hydrogen Energy, 2004, 29(13): 1355-1363. [12] Han S K, Kim S H, Shin H S. UASB treatment of wastewater with VFA and alcohol generated during hydrogen fermentation of food waste[J]. Process Biochemistry, 2005, 40(8): 2897-2905. [13] Kulkarni M G, Dalai A K. Waste cooking oil an economical source for biodiesel: A review[J]. Industrial & engineering chemistry research, 2006, 45(9): 2901-2913