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All Journal Jurnal Natur Indonesia Communications in Science and Technology International Journal of Renewable Energy Development
Eniya Listiani Dewi
Center for Material Technology, Agency for the Assessment and Application of Technology, Jl. M.H. Thamrin 8, Jakarta 10340
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering

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Journal : International Journal of Renewable Energy Development

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Achieving superior tartrazine-tetracycline removal and hydrogen production with WO3/g-C3N4/TiNTAs through integrated photocatalysis-electrocoagulation Husein, Saddam; Budiman, Abdul Hamid; Dewi, Eniya Listiani; Slamet, Slamet
International Journal of Renewable Energy Development Vol 14, No 4 (2025): July 2025
Publisher : Center of Biomass & Renewable Energy (CBIORE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/ijred.2025.61167

Abstract

The study aims to evaluate the removal of tartrazine (TZ), tetracycline (TC), and a combination of both TZ+TC and hydrogen (H2) production simultaneously using WO3/g-C3N4/TiNTAs (W-CN-TiNT) nanocomposites. The processes used in this study were Electrocoagulation (EC), photocatalysis (PC), and a combination of photocatalysis-electrocoagulation (PC-EC) simultaneously. The synthesis of W-CN-TiNT nanocomposites was carried out using the in-situ Anodization (IA) method, which was then tested for its performance in the PC and PC-EC processes. The nanomaterials were characterized by various techniques such as X-ray diffraction (XRD), ultraviolet-visible diffuse reflectance spectroscopy (UV-Vis DRS), field emission scanning electron microscopy with energy dispersive X-ray spectroscopy (FESEM-EDX), high-resolution transmission electron microscopy with selected area electron diffraction (HRTEM-SAED), X-ray photoelectron spectroscopy (XPS), and photocurrent measurements. In the PC process, liquid chromatography-high-resolution mass spectrometry (LC-HRMS), UV-Vis spectrophotometer, and gas chromatography (GC) were used to assess the efficiency of pollutant removal and H2 production. The results show that TZ is removed more easily than TC during the PC process, and the pollutant removal rate is correlated with H2 production. This observation also applies to the EC process and the PC-EC. The PC-EC process is superior to the single process of removing the TZ+TC pollutants. The proposed approach has proven to be effective for TZ+TC removal and in enhancing H2 production. The use of W-CN-TiNT nanocomposite as a photocatalyst is revolutionary. It significantly improves the process efficiency. This research provides a sustainable alternative solution that is environmentally friendly and can be applied for the treatment of pharmaceutical industrial wastewater containing complex organic compounds.
Co-Authors Abdul Hamid Budiman Elfrida Ratnawati Irwan Ginting Suka Kamarza Mulia, Kamarza RATNAWATI Rustamadji, Ryan Rafi Saddam Husein, Saddam Slamet Slamet . Tiur Elysabeth Wasinton Simanjuntak