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Fed batch production of hydrogen from palm oil mill effluent using anaerobic microflora
Ist Teil von
International journal of hydrogen energy, 2005-10, Vol.30 (13), p.1393-1397
Ort / Verlag
Oxford: Elsevier Ltd
Erscheinungsjahr
2005
Link zum Volltext
Quelle
Elsevier ScienceDirect Journals Complete
Beschreibungen/Notizen
Anaerobic production of hydrogen from palm oil mill effluent (POME) by microflora was investigated in 5-l bioreactor at 60
°C and pH 5.5. POME sludge was collected from the anaerobic pond of a POME treatment plant at a palm oil mill and used as a source of inocula. A batch reactor was found to yield a total of 4708
ml
H
2
/(l POME) and the maximum evolution rate was 454
ml-
H
2
/(l POME
h). A fed batch process was conducted after 50
h. Two liters of reaction medium was removed and 2
l of fresh POME was added to the reactor every 24
h (15 times). The reproducibility of the fed batch process checked by changing the feeding time every 8
h (10 times). A yield of 2382
ml
H
2
/(l POME) and 2419
ml
H
2
/(l POME) at maximum evolution rate of 313
ml
H
2
/(l POME
h) and 436
ml
H
2
/(l POME
h) were obtained, respectively. Throughout the study, methane gas was not observed in the evolved gas mixture.