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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
energy
UASFF start-up for biohydrogen and biomethane production from treatment of Palm Oil Mill Effluent
International Journal of Hydrogen Energy, Year 2019
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Description
A start-up study was conducted to produce biohydrogen and biomethane from Palm Oil Mill Effluent (POME) using a two-stage up-flow anaerobic sludge fixed-film (UASFF) bioreactor. 100% molasses was used to start the system, and POME was added at 10% increments until it reached 100% after 59 days. During this period of continuous operation, the HRT and temperature were adjusted in order to optimize the condition for biogas production. Hydrogen and methane gas production fluctuated between 53–70% and 90–95%, respectively, in the last four days of operation (days 56–59), with POME percentage being increased from 70% to 100% (30%–0% molasses). Using 100% raw POME led to a total COD removal of 83.70%, average gas production rates of 5.29 L H2 d−1 (57.11% H2) and 9.60 L CH4 d−1 (94.08% CH4), in their respective units. This output is comparable to, if not better than using 100% molasses as substrate. This work concludes that based on the relative consistency of biogas production on days 56–59, the two-stage UASFF bioreactor operating at a final HRT of 4 h and temperature of 43 °C has taken a period of two months for start-up. © 2018 Hydrogen Energy Publications LLC
Authors & Co-Authors
Akhbari, Azam
Malaysia, Kuala Lumpur
Universiti Malaya
Zinatizadeh, Ali Akbar
Iran, Kermanshah
Razi University
Mohammadi, Parviz
Iran, Kermanshah
School of Health, Kermanshah University of Medical Sciences
Danaee, Mahmoud M.
Malaysia, Kuala Lumpur
Universiti Malaya
Mohd, Nuruol Syuhadaa
Malaysia, Kuala Lumpur
Universiti Malaya
Ibrahim, Shaliza Binti
Malaysia, Kuala Lumpur
Universiti Malaya
Statistics
Citations: 23
Authors: 6
Affiliations: 3
Identifiers
Doi:
10.1016/j.ijhydene.2018.07.037
ISSN:
03603199
Research Areas
Environmental