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All Journal Jurnal Penelitian Sains (JPS) Bulletin of Chemical Reaction Engineering & Catalysis Jurnal Penelitian Sains (JPS) Jurnal Penelitian Sains Jurnal Inovasi Hasil Pengabdian Masyarakat (JIPEMAS) Aptekmas : Jurnal Pengabdian Kepada Masyarakat Bulletin of Chemical Reaction Engineering & Catalysis
Nova Yuliasari
Department Of Chemistry, Faculty Of Mathematics And Natural Sciences, Sriwijaya University, Jl. Palembang Prabumulih Km.32 Ogan Ilir 30662
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Photocatalytic Degradation of Malachite Green by Layered Double Hydroxide Based Composites Nova Yuliasari; Alfan Wijaya; Risfidian Mohadi; Elfita Elfita; Aldes Lesbani
Bulletin of Chemical Reaction Engineering & Catalysis 2022: BCREC Volume 17 Issue 2 Year 2022 (June 2022)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.17.2.13482.240-249

Abstract

Studies of LDH materials to be applied as photocatalyst for dye pollutant degradation have been developed. These interesting efforts are inseparable from the investigation of degradation performance and competitive synthetic methods. Composites based on Zn/Al and Mg/Al layered double hydroxides (LDHs) with ZnO and TiO2 were prepared by coprecipitation-impregnation method following by calcination at 300 °C to forms Zn/Al-ZnO, Mg/Al-ZnO, Zn/Al-TiO2, and Mg/Al-TiO2. Composites were characterized by XRD, FTIR, SEM and UV-DRS. Photodegradation of malachite green (MG) was carried out, after optimization of pH, catalyst loading and contact time in batch system under UV irradiation. XRD and spectroscopic data shows composites were successfully formed indicated by formation of both pristine materials. Degradation of malachite green showed that composites as photocatalyst have higher catalytic activity than pristine LDHs. LDH-ZnO composite have better activity, energy band gap and degradation reusability than LDH-TiO2. The Zn/Al-ZnO and Zn/Al-TiO2 composites degraded 97.1% and 96.3% MG, whereas the Mg/Al-ZnO and Mg/Al-TiO2 composites were able to degrade 99.8% and 98.6% MG, respectively. Copyright © 2022 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0). 
Co-Authors Al Antoni Akhmad Aldes Lesbani Aldes Lesbani Alfan Wijaya Aneka Firdaus Aprianto Aprianto Barlin Oemar Christina A Christina A Dian Dian Elfita Elfita Endang Setiyowati Endang Setiyowati Eviyanti Eviyanti Fachriah Fachriah Fahma Riyanti Fatma Frisca Yanti Sialagan Herlina Herlina Miksusanti Miksusanti Muhammad Yanis Poedji Loekitowati Poedji Loekitowati H Pudji Lukitowati Risfidian Mohadi Risfidian Mohadi Theresia Evy Yulianti Nedeak Tridayona Tridayona Widia Purwaningrum Willian Aprianto Zulaiha Zulaiha