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All Journal JURNAL KIMIA SAINS DAN APLIKASI Al-Kimia Jurnal Sains dan Edukasi Sains Jurnal Mandala Pengabdian Masyarakat Jurnal Pengabdian Kolaborasi dan Inovasi IPTEKS International Journal of Science Technology and Health Science and Technology: Jurnal Pengabdian Masyarakat Asian Journal of Environmental Research Jurnal Riset Sains dan Kesehatan Indonesia Advance Sustainable Science, Engineering and Technology (ASSET)
Muh. Edihar
Department Of Chemistry, Faculty Of Science Technology And Health, Institut Sains Teknologi Dan Kesehatan (ISTEK) ‘Aisyiyah Kendari, Kendari, 93116, Southeast Sulawesi|Institut Sains Teknologi Dan Kesehatan (ISTEK) ‘Aisyiyah Kendari|Indonesia
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Journal : Asian Journal of Environmental Research

 1 
Photocatalytic Degradation of Lignin using TiO2 from Ilmenite Prepared by Microwave Method Irwan, Irwan; Maindi, Andri Jahir; Edihar, Muh; Nurdin, Muhammad; Salim, La Ode Agus
Asian Journal of Environmental Research Vol. 1 No. 1 (2024): January-April
Publisher : CV. Science Tech Group

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69930/ajer.v1i1.7

Abstract

This study investigates the photocatalytic degradation of lignin using TiO2 extracted from ilmenite through a microwave-assisted method. Characterization of the iron sand, which serves as the source of ilmenite, was conducted using X-ray fluorescence spectroscopy (XRF) and Energy Dispersive X-ray Spectroscopy (EDX). The XRF analysis revealed that the iron sand primarily consists of Fe and TiO2, with minor impurities such as Al2O3, MgO, and SiO2. After extraction, the iron mineral content increased significantly, while impurities decreased. EDX analysis confirmed the presence of Fe, O, and Ti elements in the iron sand sample, originating from various iron oxide phases. Subsequent degradation tests on lignin with varying microwave heating durations of ilmenite showed that a 90-minute heating duration achieved the highest lignin degradation percentage of 56.69%. This suggests that the optimum heating time for ilmenite is crucial for maximizing its photocatalytic activity. Overall, the findings highlight the potential of microwave-prepared TiO2 from ilmenite for efficient lignin degradation, with implications for environmental remediation and industrial applications.
Exploring Carbon-Based Derivative Electrodes for Voltammetric Detection of Profenofos Pesticide in Environment: A Review Edihar, Muh; Zulkarnaen, Muhammad Aryo; Salim, La Ode Agus
Asian Journal of Environmental Research Vol. 1 No. 1 (2024): January-April
Publisher : CV. Science Tech Group

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69930/ajer.v1i1.17

Abstract

Detection and monitoring of pesticide residues in the environment have become crucial due to their potential adverse effects on human health and ecosystems. Among these pesticides, Profenofos has garnered primary attention due to its widespread usage and persistence in agricultural practices. Voltammetric techniques offer a promising approach for sensitive and selective detection of Profenofos, with carbon-based derivative electrodes emerging as highly promising candidates. This review critically examines recent advancements in the utilization of carbon derivative electrodes for Profenofos detection via voltammetry. It explores the fundamental principles, fabrication methods, and performance characteristics of these electrodes, highlighting their strengths and limitations. Additionally, the review discusses strategies for enhancing the sensitivity, selectivity, and stability of carbon derivative electrodes, as well as their potential application in environmental monitoring and agricultural practices. Through a comprehensive synthesis of recent research findings, this review aims to provide valuable insights into the current status, challenges, and future directions in the field of Profenofos pesticide detection using carbon derivative electrodes and voltammetric techniques.
Photoelectrocatalysis Activity TiO2/Ti electrode doped with N and Ni deposition for Congo Red Degradation Edihar, Muh; Irwan, Irwan; Lidong, Andini
Asian Journal of Environmental Research Vol. 1 No. 1 (2024): January-April
Publisher : CV. Science Tech Group

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69930/ajer.v1i1.19

Abstract

The TiO2/Ti electrode was successfully synthesized by combining element N and metal Ni on the TiO2 matrix to degrade the organic compound Congo Red under UV-visible radiation. The aim of this study is to obtain Ni@N-TiO2/Ti electrodes and test their performance in degrading Congo Red dye under UV-visible light radiation. The Ni@N-TiO2/Ti electrode was prepared using the Sol-Gel and electrodeposition methods. The presence of nitrogen in N-TiO2 is determined by FTIR and detected at a wavelength of 1.064 cm1. The analysis of UV-Vis DRS indicates an energy gap of 3.06 eV for N-TiO. XRD analysis revealed anatase crystal structure formation and nickel's presence in the Ni@N-TiO2/Ti electrode detected at 2θ 52.8°. The usage characteristics of linear sweep voltammetry indicate that the TiO2/Ti electrode is active under UV light, while the Ni@N-TiO2/Ti electrode is active under visible light. An electrode activity test using the multi-pulse amperometry method showed that the photoelectrocatalysis performance of Ni@N-TiO2/Ti under visible light radiation reached an ideal degradation rate of 36%.
Co-Authors Ahmad Zaeni, Ahmad Alimin Alimin, Alimin Alwahab Alwahab Arham, Zul Dahlan Fachry Abda El Rahman Harleli Harleli , Harleli Harleli, Harleli Irwan Irwan kahar, kaharuddin Kaharuddin Kahar Kaharuddin Kaharuddin Kaharuddin Kaharuddin Kurnia Sri Yunita La Harimu Lidong, Andini Maindi, Andri Jahir Maulidiyah Maulidiyah Maulidiyah Maulidiyah Mawaddah Zaqinah Diah Mawaddah Zaqinah Diah Muhammad Nurdin Muhammad Nurdin Mustamin, Syaiful Bachri Muzakkar, Muhammad Zakir Rismiati, Rismiati Salim, La Ode Agus Salniati Hade Sapril Kartini Suci Dwi Yanti Suhardin Thamrin Azis Yashar, Aliyas Zulkarnaen, Muhammad Aryo