Abstract
Anaerobic treatment of wastewater from a selected seafood processing plant was conducted at organic loading rates (OLR) ranging from 0.3 to 1.8 kg chemical oxygen demand (COD)/m3.day and hydraulic retention times (HRT) ranging from 36 to 6 days. COD reduction decreased with increasing OLR. More than 75% COD reduction could be maintained up to an OLR of about 1 kg COD/m3.day with an HRT of 11 days. An OLR of 1.3 kg COD/m3.day corresponding to an HRT of 6.6 days gave maximal biogas productivity of 1.5 m3/m3.day or 1.3 m3 biogas/kg COD with a 65% COD reduction. If the HRT was kept constant at 11 days, an OLR of 1.3 kg COD/m3.day achieved maximal biogas productivity (1.1 m3/m3.day) and yield (0.75 m3/kg COD) and a 60% COD reduction for treatment of tuna condensate.
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P. Prasertsan and S. Jung are with the Department of Agro-Industry, Faculty of Natural Resources, Prince of Songkla University, Hatyai 90110, Thailand. K.A. Buckle is with the Department of Food Science and Technology, University of New South Wales, Kensington, NSW 2033, Australia.
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Prasertsan, P., Jung, S. & Buckle, K.A. Anaerobic filter treatment of fishery wastewater. World Journal of Microbiology & Biotechnology 10, 11–13 (1994). https://doi.org/10.1007/BF00357553
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DOI: https://doi.org/10.1007/BF00357553