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All Journal JFL : Jurnal Farmasi Lampung Jurnal Kreativitas PKM Jurnal Pengabdian Farmasi Malahayati (JPFM) Jurnal Analis Farmasi JAF (Jurnal Analis Farmasi) IJCR (Indonesian Journal of Chemical Research) Science and Education Journal
Octonariz, Vito Zhafran
Universitas Malahayati
Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Health Professions Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Nursing Public Health Social Sciences

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Advanced Semiconductor–Biochar Engineering of TiO2/Biochar Photocatalysts for Efficient Tartrazine Dye Degradation: Mechanistic Insights and UV–Vis Spectrophotometric Evaluation Husein, Saddam; Puspita, Anindia; Tutik; Octonariz, Vito Zhafran
INDONESIAN JOURNAL OF CHEMICAL RESEARCH Vol. 11 No. 1 (2026): Volume 11, ISSUE 1, 2026
Publisher : Chemistry Department, Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/ijcr.vol11.iss1.art9

Abstract

This study aimed to evaluate the effectiveness of TiO₂/Biochar photocatalysts for tartrazine dye degradation using UV–Vis spectrophotometric analysis. The experiments were conducted using various catalyst dosages and treatment conditions including UV–Vis irradiation, UV-A irradiation, and dark adsorption. The results showed that the optimum catalyst dosage was 0.5 g with a degradation efficiency of 73%, while UV–Vis irradiation produced the highest degradation activity compared to other treatments. The kinetic study indicated that the degradation process tended to follow pseudo-first-order kinetics. These findings demonstrate that TiO₂/Biochar has strong potential as an effective photocatalyst for tartrazine degradation in wastewater treatment.
Co-Authors Ade Maria Ulfa Agustina Retananingsih Agustina Retnaningsih Al Zetta Ramadhani Candra Saka Nusantari Dea Anggraini Diah Astika Winahyu Endriko Fahmi Fajar, Muhammad Surya Fayza Mahadhiti Ivan Kurniawan Nawa Al Abil Okta Ramadhani Puji Setiawati Purnama, Robby Candra Puspita, Anindia Putri, Rahma Febrilia Rima Amanda Sartika Saddam Husein, Saddam Thalita Oriza Azaria Bekti Tutik Winahyu, Diah Astika Yusinta Pastika