Biohydrogen production from rice noodle processing wastewater by immobilizing hydrophobic media

Abstract

© 2015 Asian Network for Scientific Information. Maximum cumulative hydrogen production of the rice noodle processing wastewater (552.29 mL H<inf>2</inf>/L wastewater) was observed at initial pH 6.0 under thermophilic condition (55±1ºC). Regarding 5% (v/v) addition of Hydrophobic Media (HB), the maximum cumulative hydrogen production using immobilizing ball-shaped HB (1,256.50 mL H<inf>2</inf>/L wastewater) was a three-fold increase of cumulative hydrogen production when compared to its production using immobilizing wheel-shaped HB (424.31 mL H<inf>2</inf>/L wastewater). The SEM observation of immobilized biofilm on a ball-shaped HB was the rod shape and gathered into groups.