Batch Biodegradation of Pentachlorophenol and Trichlorophenol
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The biological treatment of pentachlorophenol (PCP) has been the subject of numerous investigations. Klecka and Maier (1988) [1] investigated the influence of the addition of substrate analogues to the batch degradation of PCP by bacterial cultures. They found that the addition of some analogues (e.g. 2,4,5-trichlorophenol) decreased the initial rate of PCP biodegradation but increased the overall rate due to the increase in biomass caused by the simultaneous growth on both substrates. The complete model can be found in [2].
Contributed by: R. Ricardo Sánchez (August 25)
Open content licensed under CC BY-NC-SA
Details
Notation:
: biomass concentration (
)
: primary substrate, pentachlorophenol concentration (
)
: secondary substrate, trichlorophenol concentration (
)
: rate of biomass production (
)
: rate of PCP degradation (
)
: growth rate on PCP (
)
: growth rate on TCP (
)
References
[1] G. M. Klečka and W. J. Maier, "Kinetics of Microbial Growth on Mixtures of PCP and Chlorinated Aromatic Compounds," Biotechnology and Bioengeering, 31(4), 1988 pp. 328–335.
[2] J. B. Snape, I. J. Dunn, J. Ingham and J. E. Prenosil, Dynamics of Environmental Bioprocesses: Modelling and Simulation, Weinheim: VCH Publishers, Inc., 1995.
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