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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/51940

Title: Biodegradation kinetics of benzene, methyl tert‐butyl ether, and toluene as a substrate under various substrate concentrations
Authors: Chi‐Wen Lin
Ya‐Wen Cheng
Contributors: 國立臺灣海洋大學:地球科學研究所
Keywords: biodegradation kinetics
methyl tert‐butyl ether
Monod and Haldane equations
nonlinear regression analysis
substrate inhibition
Date: 2007-01
Issue Date: 2019-01-08T07:49:06Z
Publisher: Journal of Chemical Technology and Biotechnology
Abstract: Abstract: Owing to the complexity of conventional methods and shortcomings in determining kinetic parameters, a convenient approach using the nonlinear regression analysis of Monod or Haldane type nonlinear equations is presented. This method has been proven to provide accurate estimates of kinetic parameters. The major work in this study consisted of the testing of aromatic compound‐degrading cultures in batch experiments for the biodegradation of benzene, methyl tert‐butyl ether (MTBE), and toluene. Additionally, batch growth data of three pure cultures (i.e., Pseudomonas aeruginosa YAMT421, Ralstonia sp. YABE411 and Pseudomonas sp. YATO411) isolated from an industrial petrochemical wastewater treatment plant under aerobic conditions were assessed with the nonlinear regression technique and with a trial‐and‐error procedure to determine the kinetic parameters. The growth rates of MTBE‐, benzene‐, and toluene‐degrading cultures on MTBE, benzene, and toluene were significant. Monod's model was a good fit for MTBE, benzene and toluene at low substrate concentrations. In contrast, Haldane's equation fitted well in substrate inhibition concentration. Monod and Haldane's expressions were found to describe the results of these experiments well, with fitting values higher than 98%. The kinetic parameters, including a maximum specific growth rate (µm), a half‐saturation constant (Ks), and an inhibition constant (Ki), were given. Copyright © 2007 Society of Chemical Industry
Relation: 82(1) pp.51-57
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/51940
Appears in Collections:[應用地球科學研究所] 期刊論文

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