Paper Title:

Kinetics of Biohydrogen Production from Ozonated Palm Oil Mill Effluent Using C. butyricum and C. acetobutylicum Co-Culture

Periodical Advanced Materials Research (Volumes 512 - 515)
Main Theme Renewable and Sustainable Energy II
Edited by Nanqi Ren, Lam Kin Che, Bo Jin, Renjie Dong and Haiquan Su
Pages 1515-1519
DOI 10.4028/www.scientific.net/AMR.512-515.1515
Citation Nipon Pisutpaisal et al., 2012, Advanced Materials Research, 512-515, 1515
Online since May, 2012
Authors Nipon Pisutpaisal, Saowaluck Hoasagul
Keywords Biofuel, Biohydrogen, C. acetobutylicum, C. butyricum, Co-Culture, Fermentation
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Abstract

Kinetics of mesophilic biohydrogen production from ozone-pretreated palm oil mill effluent (POME) using C. butyricum and C. acetobutylicum co-culture was investigated. All experiments were setup in 0.5-L batch reactors under mesophilic condition (37°C), pH 6, and POME concentration of 5,000-30,000 mg COD L-1. At the concentration of 15,000 mg COD L-1, maximum hydrogen production yield for non-ozone pretreated POME and ozone pretreated POME were 318 and 122 mL g-1 CODremoved, respectively. Acetic and butyric acids were dominant fermentation products in liquid phase. Ozone-pretreatment of POME showed no significant improvement on the hydrogen production by the co-culture.