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Kinetic evaluation of an anaerobic fluidised bed reactor treating slaughterhouse wastewater

Kinetic evaluation of an anaerobic fluidised bed reactor treating slaughterhouse wastewater
Kinetic evaluation of an anaerobic fluidised bed reactor treating slaughterhouse wastewater
An anaerobic fluidised-bed reactor for purification of slaughterhouse wastewater was modelled as a continuous-flow, completely-mixed homogeneous microbial system, with the feed COD as the limiting-substrate concentration. The average microbial residence time in the reactor was defined in terms of conventional sludge-retention-time. The experimental data obtained indicated that the Michaelis-Menten expression was applicable to a description of substrate utilisation (i.e. COD removal) in the anaerobic fluidised-bed system. The maximum substrate utilisation rate, k, and the Michaelis constant, Ks, were determined to be 1·2/day and 0·039 g/l. The observed biomass yield in the reactor decreased with increasing sludge-retention-time. The specific methane production rate observed was a linear function of the specific substrate-utilisation rate.

anaerobic digestion, slaughterhouse wastewater, fluidised-bed reactor, kinetic model, michaelis-menten expression
0960-8524
163-167
Borja, Rafael
68c613c6-300d-4663-b6ec-7f9357b7221b
Banks, Charles J.
5c6c8c4b-5b25-4e37-9058-50fa8d2e926f
Wang, Zhengjian
6ee8e2f0-35a2-4e0c-b818-c7837cd75b94
Borja, Rafael
68c613c6-300d-4663-b6ec-7f9357b7221b
Banks, Charles J.
5c6c8c4b-5b25-4e37-9058-50fa8d2e926f
Wang, Zhengjian
6ee8e2f0-35a2-4e0c-b818-c7837cd75b94

(1995) Kinetic evaluation of an anaerobic fluidised bed reactor treating slaughterhouse wastewater. Bioresource Technology, 52 (2), 163-167. (doi:10.1016/0960-8524(95)00019-B).

Record type: Article

Abstract

An anaerobic fluidised-bed reactor for purification of slaughterhouse wastewater was modelled as a continuous-flow, completely-mixed homogeneous microbial system, with the feed COD as the limiting-substrate concentration. The average microbial residence time in the reactor was defined in terms of conventional sludge-retention-time. The experimental data obtained indicated that the Michaelis-Menten expression was applicable to a description of substrate utilisation (i.e. COD removal) in the anaerobic fluidised-bed system. The maximum substrate utilisation rate, k, and the Michaelis constant, Ks, were determined to be 1·2/day and 0·039 g/l. The observed biomass yield in the reactor decreased with increasing sludge-retention-time. The specific methane production rate observed was a linear function of the specific substrate-utilisation rate.

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More information

Published date: 1995
Keywords: anaerobic digestion, slaughterhouse wastewater, fluidised-bed reactor, kinetic model, michaelis-menten expression

Identifiers

Local EPrints ID: 75490
URI: http://eprints.soton.ac.uk/id/eprint/75490
ISSN: 0960-8524
PURE UUID: 3f5462a0-181c-4aac-b498-9fd2977a0842

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:43

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