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All Journal Journal of Mechanical Science and Engineering IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Science and Technology Indonesia Jurnal Penelitian Sains JURNAL KESEHATAN LINGKUNGAN: Jurnal dan Aplikasi Teknik Kesehatan Lingkungan Al-Kimia IJEMS (Indonesian Journal of Environmental Management and Sustainability) Jurnal Inovasi Hasil Pengabdian Masyarakat (JIPEMAS) IKRA-ITH ABDIMAS Jurnal Teknik Kimia Journal of Applied Materials and Technology JURNAL REKAYASA KIMIA & LINGKUNGAN Multidisciplinary Indonesian Center Journal
Susila Arita
Chemical Engineering Department Faculty Of Engineering Sriwijaya University
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Other

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Properties and Utilization of Fly Ash for Treating Acid Mine Drainage Nurlela; Agustina, Tuty Emilia; Arita, Susila; Bahrin, David; Fatimura, Muhrinsyah; Masriatini, Rully; Gayatri, Rianyza
Indonesian Journal of Environmental Management and Sustainability Vol. 9 No. 4 (2025): December
Publisher : Magister Program of Material Science, Graduate School of Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijems.2025.9.4.223-232

Abstract

The combustion of coal in power plants (PLTU) generates fly ash containing silica dioxide (SiO?) and alumina (Al?O?), which exhibit promising properties as adsorptive materials. Fly ash, typically regarded as an industrial by-product, has been widely explored for its application as an adsorbent in wastewater purification. One of the most challenging wastewaters is acid mine drainage, characterized by strong acidity (pH < 5), residual contaminants, and elevated concentrations of heavy metal ions such as manganese (Mn) and iron (Fe). When released untreated, this effluent poses significant risks to both surface and groundwater quality in mining areas. This study focuses on the characterization and utilization of fly ash as an adsorbent to neutralize acidity and reduce Mn and Fe concentrations in acid mine drainage. The material was characterized using SEM-EDX and XRD techniques, followed by adsorption experiments. To enhance its properties, fly ash underwent physical activation through heating at 100 °C for 60 minutes. The activation process modified its structure, expanding pore volume and increasing surface area, thereby improving adsorption performance. The experimental results revealed significant differences in the properties of fly ash before and after activation. Activated fly ash effectively raised the pH of acid mine drainage to near-neutral conditions while achieving removal efficiencies of 96.61% for Mn and 83.33% for Fe using 50 g of adsorbent. These findings highlight the potential of fly ash as a low-cost and effective material for acid mine drainage treatment, both for acidity control and heavy metal removal.
PHYSICAL ENVIRONMENTAL INFLUENCES ON SILICOSIS: A NARRATIVE REVIEW INTEGRATING COMMUNITY EXPOSURE AND WISTAR RAT EXPERIMENTAL FINDINGS IN COAL-HANDLING REGIONS Mustika Fatimah; Irsan Saleh; Susila Arita; Legiran
Multidisciplinary Indonesian Center Journal (MICJO) Vol. 2 No. 4 (2025): Vol. 2 No. 4 Edisi Oktober 2025
Publisher : PT. Jurnal Center Indonesia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62567/micjo.v2i4.1808

Abstract

Coal mining, handling, and transportation activities are major sources of airborne particulate matter containing respirable crystalline silica, which poses significant risks to respiratory health. Silicosis remains a serious occupational and environmental disease affecting not only workers but also communities living near coal-handling areas. Physical environmental factors, including air quality, temperature, humidity, and wind speed, play an important role in influencing dust generation, dispersion, and inhalation exposure. This narrative review aims to synthesize current evidence on the influence of physical environmental conditions on silica exposure and silicosis development, integrating findings from environmental monitoring studies, epidemiological research, and experimental Wistar rat models. A literature search was conducted using major scientific databases to identify relevant peer-reviewed articles published between 2010 and 2024. The reviewed evidence indicates that prolonged or high-intensity exposure to silica dust is strongly associated with chronic pulmonary inflammation and progressive fibrosis. Environmental conditions can exacerbate exposure risk by increasing airborne particulate concentrations and respiratory vulnerability. Experimental studies using Wistar rats provide mechanistic insights into silica-induced lung injury, supporting epidemiological observations in human populations. This review highlights the importance of integrating environmental, occupational, and biological perspectives to improve risk prediction, early detection, and preventive strategies for silicosis in coal-handling regions.
Co-Authors Abrar Assalami Abrar Assslami Akhmad Ade Sucitro Aldes Lesbani Alisan, Cinthya Putri Alqorni, Kemas Uwais Andini, Handalia Putri Annafi, Muhammad Astuti, Syurmi Cundari, Lia Dahlan, Hatta Damayanti Damayanti David Bahrin Dede Hadi Widianto Desfaur Natalia Desyandri Desyandri Dina Irawaty Naibaho Dina Irawaty Naibaho Dwi Anggraini Endi Adriansyah Erisna, Desi Fatimura, Muhrinsyah Fitri Hadiah Fitri, Erni Salasia Fitri, Rizza Fadillah Gayatri, Rianyza Harminuke E.H. Hasbun Kosim Hermansyah Hilda Zulkifli Irnanda Pratiwi Irsan Saleh Irsan Saleh, Muhammad Ivana Liony Jalius Jalius Jalius Jalius Legiran Legiran Leily Nurul Komariah Lutfia Rahmiyati Luthfia Luthfia Marwan Asof Marwan Asof Marwani Zahri Kadir Muhammad Naswir Muhammad Naswir Muhammad Rifqi MUSTIKA FATIMAH Naswir, Muhammad Natalia, Desfaur Nurlela Oki Alfernando Oki Alfernando Poedji Loekitowati Hariani Putri, Anisyah Kamila Rahmadian, Muhammad R Rico Januar Sitorus Rika Damayanti Risa Purnama Sari Risfidian Mohadi Rosmawati Rosmawati Rully Masriatini Salam, Yosirham Abdu Saleh, Muhammad Irsan Sinta, Eis Candra Siti Hardianti Siti Miskah Tirtasakti Nugroho Tuty E. Agustina Tuty Emilia Agustina Wahyudi, Arie wahyuningsih, dwi retno Wibowo, Yudha Gusti Winny Andalia Zen, Muhammad Rizky