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  • Title: Kinetic analysis of the inhibitory effect of trichloroethylene (TCE) on nitrification in cometabolic degradation.
    Author: Alpaslan Kocamemi B, Ceçen F.
    Journal: Biodegradation; 2007 Feb; 18(1):71-81. PubMed ID: 16467966.
    Abstract:
    In this study, the inhibitory effect of TCE on nitrification process was investigated with an enriched nitrifier culture. TCE was found to be a competitive inhibitor of ammonia oxidation and the inhibition constant (K(I)) was determined as 666-802 microg/l. The TCE affinity for the AMO enzyme was significantly higher than ammonium. The effect of TCE on ammonium utilization was evaluated with linearized plots of Monod equation (e.g., Lineweaver-Burk, Hanes-Woolf and Eadie-Hofstee plots) and non-linear least square regression (NLSR). No significant differences were found among these data evaluation methods in terms of kinetic parameters obtained.
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