Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 20, Issue 5, Pages 3150-3156Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2013.11.058
Keywords
TiO2 nanoparticles; Hybrid process; Glucose oxidase; Polyurethane; Decolorization
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A rectangular recycling photo-bioreactor using glucose oxidase (GOx) immobilized on TiO2/polyurethane (PU) was developed as a novel coupling of photodegradation and enzymatic process. This method was tested for removal of Acid Orange 7 (AO7), as a model pollutant. High efficiency of decolorization (>99%) was achieved after 22 min using the GOx/TiO2/PU photo-biocatalyst. Roles of various processes including photodegradation (TiO2/PU), enzymatic process (GOx/PU) and a coupling of photocatalytic-enzymatic (GOx/TiO2/PU) process were investigated in the presence and absence of UV light. All the experiments were performed in a circulation photoreactor equipped with a 6 W UV lamp with rate of 5 mL/min. (C) 2013 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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