4.7 Article

Exploring Kinetics of Phenol Biodegradation by Cupriavidus taiwanesis 187

Journal

INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 11, Issue 12, Pages 5066-5077

Publisher

MDPI AG
DOI: 10.3390/ijms11125065

Keywords

phenol degradation; biodegradation; Cupriavidus taiwanesis; Haldane's model; kinetic model; stability analysis

Funding

  1. National Science Council, Taiwan, R.O.C. [NSC 98-2221-E-155-026, NSC 99-2622-E-155-001-CC2, NSC 98-2221-E-197-007-MY3, NSC 98-2514-S-197-001-NE]

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Phenol biodegradation in batch systems using Cupriavidus taiwanesis 187 has been experimentally studied. To determine the various parameters of a kinetic model, combinations of rearranged equations have been evaluated using inverse polynomial techniques for parameter estimation. The correlations between lag phase and phase concentration suggest that considering phenol inhibition in kinetic analysis is helpful for characterizing phenol degradation. This study proposes a novel method to determine multiplicity of steady states in continuous stirred tank reactors (CSTRs) in order to identify the most appropriate kinetics to characterize the dynamics of phenol biodegradation.

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