Borja, R. and Banks, C.J.
Kinetics of an upflow anaerobic sludge blanket reactor treating ice cream wastewater
Environmental Technology, 15, (3), . (doi:10.1080/09593339409385423).
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A laboratory study was devised to verify the use of Monod kinetics for the modelling of continuous upflow anaerobic sludge blanket (UASB) reactors treating ice-cream wastewater. Eight different hydraulic retention times (5.0-0.4 day) were investigated at an average influent COD concentration of 5.2 g.1-1). The maximum substrate utilization rate, k, and half saturation coefficient, KL, were determined to be 1.39 kg CODremoved.kg-1 VSS.day-1 and 0.29 kg COD.kg-1 VSS.day-1. The yield coefficient, Y, and sludge decay rate coefficient, Kd, were also determined to be 0.16 kg VSS.kg-1 CODremoved and 0.028 day-1, respectively. The close relationship between biomass loading rate and specific substrate utilization rate supported the use of Monod equations and allowed the model to be used predictively for assessing plant performance.
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