Biological kinetics evaluation of anaerobic stabilization pond treatment of palm oil mill effluent
Wong, Yee Shian
Mohd Omar, A.B. Kadir
Tjoon, Tow Teng
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Biological kinetic (bio-kinetic) study of the anaerobic stabilization pond treatment of palm oil mill effluent (POME) was carried out in a laboratory anaerobic bench scale reactor (ABSR). The reactor was operated at different feed flow-rates of 0.63, 0.76, 0.95, 1.27, 1.9 and 3.8 l of raw POME for a day. Chemical oxygen demand (COD) as influent substrates was selected for bio-kinetic study. The investigation showed that the growth yield (YG), specific biomass decay (b), maximum specific biomass growth rate (μmax), saturation constant (Ks) and critical retention time (Θc) were in the range of 0.990 g VSS/g CODremoved day, 0.024 day-1, 0.524 day-1, 203.433 g COD l-1 and 1.908 day, respectively.