PHOTOCATALYTIC REMOVAL OF TEXTILE DYE POLLUTANTS FROM WATER USING C-TiO2 NANOPARTICLES

Md. Ashraful Islam Molla (), Nusrat Zahan, Shahriar Atik Fahim, Humayra Gazi and Md. Shakhawoat Hossain
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Md. Ashraful Islam Molla: Department of Applied Chemistry and Chemical Engineering, Faculty of Engineering and Technology, University of Dhaka, Dhaka 1000, Bangladesh
Nusrat Zahan: Department of Applied Chemistry and Chemical Engineering, Faculty of Engineering and Technology, University of Dhaka, Dhaka 1000, Bangladesh
Shahriar Atik Fahim: Department of Chemistry, American International University-Bangladesh, Dhaka 1229, Bangladesh
Humayra Gazi: Department of Applied Chemistry and Chemical Engineering, Faculty of Engineering and Technology, University of Dhaka, Dhaka 1000, Bangladesh
Md. Shakhawoat Hossain: Department of Arts and Sciences, Ahsanullah University of Science and Technology, Dhaka 1208, Bangladesh

Acta Chemica Malaysia (ACMY), 2024, vol. 8, issue 2, 92-96

Abstract: Water pollution caused by textile dyes is a critical environmental issue, significantly impacting aquatic ecosystems and human health. Photocatalysis has emerged as a promising solution to this problem, using light to activate catalysts that degrade organic pollutants. Titanium dioxide (TiO2), in particular, is a widely used photocatalyst for its strong oxidative properties under UV light. This study explores the degradation of Rhodamine B (RhB), a common and persistent textile dye, using carbon-doped TiO2 (C-TiO2) photocatalysts under UV-C light. The impact of various operating parameters, such as pH, initial RhB concentration, photocatalyst amount, and irradiation time, has been investigated. The results showed that at a pH of 9, a dye concentration of 10 mg/L, a photocatalyst amount of 25 mg, and an irradiation time of 90 min, the 6% C-TiO2 achieved the highest photocatalytic RhB removal of 74% under UV-C light.

Keywords: Photocatalysis; C-TiO2; Rhodamine B; Nanoparticles; UV-C irradiation (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:zib:zbacmy:v:8:y:2024:i:2:p:92-96

DOI: 10.26480/acmy.02.2024.92.96

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