Kinetic modelling and simulation of laccase catalyzed degradation of reactive textile dyes

• Type: Article in International Scientific Journal
• Date: 2008

Authors

Raquel O. Cristóvão (Author) Other; Ana P. M. Tavares (Author) FEUP; Ribeiro, AS (Author) Other; José Miguel Loureiro (Author) FEUP; Rui Boaventura (Author) FEUP; Maria Eugénia Macedo (Author) FEUP

Journal

Title: Bioresource Technology

Vol. 99

Pages: 4768-4774

ISSN: 0960-8524

Publisher: Elsevier

Indexing

ISI Proceedings

ISI Web of Knowledge - 54 Citations

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Scopus - 62 Citations

COMPENDEX

Scientific classification

FOS: Engineering and technology > Chemical engineering

CORDIS: Technological sciences > Engineering > Chemical engineering

Other information

Authenticus ID: P-003-XWR

DOI: 10.1016/j.biortech.2007.09.059

Abstract (EN): A kinetic model based on Michaelis-Menten equation was developed to simulate the dye decolourisation of Reactive Black 5 (RB5), Reactive Blue 114 (RB114), Reactive Yellow 15 (RY15), Reactive Red 239 (RR239) and Reactive Red 180 (RR180) dyes by commercial laccase. The unusual kinetic behavior of some of these reactions suggests that the kinetic model must consider the activation of the laccase-mediator system. Several reactions at different concentrations of each dye were performed in batch reactors and time courses were obtained. A LSODE code to solve the differential equation obtained from the batch reactor was combined with an optimization Fortran program to obtain the theoretical time courses. The time courses obtained from the developed program were compared with the experimentally obtained ones to estimate the kinetic constants that minimized the difference between them. The close correlation between the predicted and the experimental results seems to support the reliability of the established models.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 7