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Kinetics of an anaerobic fluidized bed system used for the purification of fruit processing waste water

Record type: Article

A study of the kinetics of the anaerobic digestion of fruit processing waste-water was carried out. A 1.25 1, fluidized bed bioreactor operating at 35 °C and containing a saponite-immobilized biomass at a concentration of 8.95 g volatile suspended solids (VSS) per litre was used. The bioreactor worked satisfactorily in a range of hydraulic retention times from 2.5 to 12.5 days and eliminated more than 97% of the initial chemical oxygen demand (COD) in all instances. Guiot's kinetic model was used to determine the macroenergetic parameters of the system, and showed it to have a yield coefficient for the biomass Y of 0.090 g VSS per g COD and a specific rate of substrate uptake for cell maintenance m of 0.035 (g COD per g VSS) day?1. The experimental results also showed the rate of substrate uptake (Rs, g (COD per g VSS) day?1) correlated with the concentration of biodegradable substrate (Sb, g COD 1?1) through an equation of the Michaelis-Menten type.

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Citation

Borja, R. and Banks, C.J. (1994) Kinetics of an anaerobic fluidized bed system used for the purification of fruit processing waste water Chemical Engineering Journal, 54, (2), b25-b32. (doi:10.1016/0923-0467(94)06053-3).

More information

Published date: June 1994

Identifiers

Local EPrints ID: 74756
URI: http://eprints.soton.ac.uk/id/eprint/74756
ISSN: 1385-8947
PURE UUID: ce1d7841-15cb-4c33-898c-ad0d498e673d

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:45

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