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Bio-Hydrogen Production From Thin Stillage Using Conventional And Acclimatized Anaerobic Digester Sludge, Noha Nasr, Elsayed Elbeshbishy, Hisham Hafez, George Nakhla, M. Hesham El Naggar
Bio-Hydrogen Production From Thin Stillage Using Conventional And Acclimatized Anaerobic Digester Sludge, Noha Nasr, Elsayed Elbeshbishy, Hisham Hafez, George Nakhla, M. Hesham El Naggar
Noha El-Sayed Nasr
To assess the viability of biohydrogen production from thin stillage, a comparative evaluation of anaerobic digester sludge (ADS) and acclimatized anaerobic digester sludge (AADS) for biohydrogen production over a wide range of S0/X0 ratio (0.5e8 gCOD/gVSS) was performed. A maximum hydrogen yield of 19.5 L H2/L thin stillage was achieved for the AADS while tests with ADS achieved a maximum yield of only 7.5 L H2/L thin stillage. The optimum range of S0/X0 ratio for hydrogen production was found to be 1 to 2 gCOD/gVSS using conventional ADS and 3 to 6 gCOD/gVSS using AADS. The biomass specific hydrogen production …