Kinetics of an upflow anaerobic sludge blanket reactor treating ice cream wastewater


Borja, R. and Banks, C.J. (1994) Kinetics of an upflow anaerobic sludge blanket reactor treating ice cream wastewater. Environmental Technology, 15, (3), 219-232. (doi:10.1080/09593339409385423).

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Description/Abstract

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.

Item Type: Article
ISSNs: 0959-3330 (print)
1479-487X (electronic)
Keywords: anaerobic digestion, ice cream wastewater, kinetics, uasb reactor
Subjects: T Technology > TD Environmental technology. Sanitary engineering
Q Science > QD Chemistry
Q Science > QH Natural history > QH301 Biology
Divisions: University Structure - Pre August 2011 > School of Civil Engineering and the Environment
ePrint ID: 74922
Date Deposited: 11 Mar 2010
Last Modified: 27 Mar 2014 18:53
URI: http://eprints.soton.ac.uk/id/eprint/74922

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