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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) MONSU'ANI TANO Jurnal Pengabdian Masyarakat
Ninasafitri
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Education Materials Science & Nanotechnology Physics Social Sciences

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Journal : Jurnal Penelitian Pendidikan IPA (JPPIPA)

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Characterization of Dunggilata Gold Tailings and Treatment Process Recommendations Ninasafitri; Sangkota, Vivi Dia Afrianti; Arifin, Yayu Indriati
Jurnal Penelitian Pendidikan IPA Vol 11 No 2 (2025): February
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i2.10416

Abstract

Rare earth elements (REEs) are a group of seventeen metallic elements consisting of scandium (Sc), yttrium (Y), and fifteen other lanthanide elements. Rare earth metals have an important role in various technologies, so the analysis and separation of these elements from their minerals is very important to do. This study aims to characterize the tailings through X-Ray Diffraction (XRD), X-Ray Fluorescence (XRF), and Inductively Coupled Plasma Mass Spectrometry (ICP-MS) techniques. The results of XRD analysis show that the mineral composition of tailings is dominated by quartz (SiO₂) with a percentage of 88%, followed by albite (NaAlSi3O8) with a percentage of 11%.  In addition, the results of XRF analysis show that the main elemental composition in the tailings consists of SiO₂ (69.294%), Al₂O₃ (20.20%), and Fe₂O₃ (4.681%). In addition, heavy metal concentrations in the tailings indicate a potentially serious risk of environmental pollution, with arsenic (As) reaching 100 ppm and mercury (Hg) more than 5 ppm. In addition, rare earth elements identified in the tailings include cerium (Ce) at 14,578 ppm, lanthanum (La) at 7,850 ppm, and neodymium (Nd) at 6,897 ppm. This method is expected to help tailings management, reduce environmental impacts, and support sustainable mineral utilization.
Co-Authors Gunawan, Aryl Afrizhar Mamonto, Ahmad Firli Mamonto, Sri Maghfira Sangkota, Vivi Dia Afrianti Simbala, Susilo Bintang Sri Manovita Pateda Tudjaena, Asti Ananda Yayu Indriati Arifin