Borja, R. and Banks, C.J.
Anaerobic digestion of palm oil mill effluent using an up flow anaerobic sludge blanket reactor
Biomass and Bioenergy, 6, (5), . (doi:10.1016/0961-9534(94)E0028-Q).
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Anaerobic treatment of palm oil mill effluent (POME) was studied using a 16-litre laboratory scale up-flow anaerobic sludge blanket reactor (UASB) run over a range of influent concentrations from 5.1 to 42.5 g Chemical Oxygen Demand (COD) per litre at a constant hydraulic retention time of four days. Methane production, volatile fatty acid conversion, net sludge growth and Chemical Oxygen Demand reduction were monitored. Over 96% Chemical Oxygen Demand was removed at loadings up to 10.6 g COD l?1 day?1. At the highest influent concentration reactor instability was observed. Up to this point the results indicated that the UASB could treat POME more effectively than other systems reviewed.
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