Photocatalytic Degradation of C.I. Reactive Red 2 by Using TiO₂-Coated PET Plastic under Solar Irradiation

Abstract:

The synthetic dyes are a refractory and poisonous material. Most of industrial textile today used the synthetic dyes that can be dangerous to the environment because of the colored wastewater produced from their processes. This study concentrates on the application of Advanced Oxidation Processes (AOPs) for synthetic dyes wastewater treatment. Photocatalysis process as one of AOPs was applied for the degradation of organic content of synthetic dyes wastewater. The reactive dye, C.I. Reactive Red 2 (RR 2) was used as the organic pollutant model at the concentration of 100 mg/l. The TiO₂ concentration of 0.05-0.4 g/ml was used as the photocatalyst. The bulk and nanosize of TiO₂ were coating on the PET plastic and the degradation of organic content was examined in the term of color and COD within 0-12 hrs under solar irradiation. By using 0.4 g/ml of bulk TiO₂, the color degradation of 88% and COD removal of 46% was achieved. Furthermore, by using 0.4 g/ml of nanosize TiO₂, the enhancement of color degradation and COD removal was observed, that is 98% and 56%, respectively.

• Periodical: Advanced Materials Research (Volume 789)
• Pages: 180-188
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.789.180
• Online since: September 2013
• Authors: Tuty Emilia Agustina, Fitri Suryani Arsyad, Abdullah Mikrajuddin
• Keywords: Advanced Oxidation Process (AOP), Dyes Wastewater, Photocatalysis Process, Solar Irradiation, Synthetic Dyes

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