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Irfan Purnawan Purnawan
Universitas Muhammadiyah Jakarta
Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Nursing Public Health Social Sciences

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Journal : Bulletin of Chemical Reaction Engineering

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Hybrid TiO₂@SiO₂ Green Hydrogel Nanocatalyst for High-efficiency Photocatalytic Oxidation of Ciprofloxacin under UV Irradiation: Experimentation and RSM Optimization Mansour, Riad; Ferrah, Nacer; Fithriyah, Nurul Hidayati; Purnawan, Irfan; Chabane, Mustapha; Zahouane, Fadila; Melkaoui, Chikh
Bulletin of Chemical Reaction Engineering & Catalysis 2026: BCREC Volume 21 Issue 2 Year 2026 (August 2026) (Issue in Progress)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.20615

Abstract

A TiO₂@SiO₂ hydrogel nanocomposite was synthesized via a green sol-gel route for the photocatalytic degradation of ciprofloxacin using a UVA/H2O2 system. The catalyst was optimized via RSM (response surface methodology), identifying UVA irradiation (365 nm) and pH of 5.6 as key parameters, achieving >89% degradation within 180. Characterisation confirmed homogeneous TiO₂ dispersion within a porous SiO₂ matrix. Kinetics followed a pseudo-first-order Langmuir–Hinshelwood model, and the catalyst retained high activity over five reuse cycles. This study introduces a UVA-optimized, RSM-guided photocatalytic system using a green-synthesized TiO₂@SiO₂ hydrogel –distinguished by its integrated process design, operational simplicity, and focus on solar-compatible UVA rather than conventional UVC-driven TiO2@SiO2 systems. Copyright © 2026 by Authors, Published by BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
Co-Authors Alvika Meta Sari Andi Prabowo Arie Pratama Putra Athiek Sri Redjeki Chabane, Mustapha Darmi, Hedro Dina Mariana Erdawati Erdawati Erdawati Erdawati Fachri Azmi Fajri Afriliono Fatma Sari Ferrah, Nacer Fitriani, Mutia Gema Fitriyano, Gema Gita Desinta Haris Isyanto Heni Suryarachma Ismiyati Ismiyati Ismiyati, Ismiyati Jaharuddin, Jaharuddin Jumail Jumail M Khoirul Ummam Mansour, Riad Marsela, Anis Mega Andini Melkaoui, Chikh Meri Prasetyawati Nurul Hidayati Fithriyah Nurul Hidayati Fithriyah Pradhini Nur Arifin, Pradhini Nur Rahmawati, Astri Rahmita Nurul Muthmainnah Ramadhan, Raihan Fajar Reza Bayu Pratama Ricky Andi Permana Rita Dewi Risanty Rizki Budi Ramadhani Rully Mujiastuti Salfichotullaila, Tiara Sancka Stella G. Sihura Sari, Irma Permata Shabrina, Alifira Fajriatu Sri Rachmawati Sugono Sugono Susanty Susanty Syamsudin AB Syamsudin Ab, Syamsudin Ummul Habibah Hasyim Yudistirani, Sri Anastasia Zahouane, Fadila Zulfa Rachdianti