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OPTIMALISASI PEMBERDAYAAN MASYARAKAT DALAM PENGELOLAAN RISIKO TAMBANG EMAS: SOLUSI RETORT UNTUK MENGURANGI PAPARAN MERKURI DI DESA TOTOPO Arifin, Yayu Indriati; Ninasafitri; Pateda, Sri Manovita; Mamonto, Sri Maghfira; Tudjaena, Asti Ananda; Gunawan, Aryl Afrizhar; Mamonto, Ahmad Firli; Simbala, Susilo Bintang
MONSU'ANI TANO Jurnal Pengabdian Masyarakat Vol. 7 No. 2 (2024)
Publisher : Universitas Muhammadiyah Luwuk

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32529/tano.v7i2.3558

Abstract

Kegiatan pertambangan emas skala kecil di Desa Totopo, Kecamatan Bilato, Kabupaten Gorontalo, telah menyebabkan pencemaran merkuri yang signifikan terhadap lingkungan dan kesehatan masyarakat. Pengabdian ini bertujuan untuk meningkatkan kesadaran masyarakat tentang bahaya merkuri dan memperkenalkan teknologi retort sebagai solusi pengolahan emas yang lebih aman dan ramah lingkungan. Metode yang digunakan mencakup sosialisasi pengolahan tambang ramah lingkungan, pelatihan penggunaan teknologi retort, sosialisasi makanan sehat bagi penambang, serta konservasi lahan melalui penanaman bibit di sekitar tambang. Hasilnya menunjukkan peningkatan pemahaman masyarakat terkait bahaya merkuri, adopsi teknologi retort yang berhasil mengurangi emisi merkuri hingga 70%, serta keberhasilan konservasi lahan dalam mengurangi erosi dan memperbaiki kualitas tanah. Keterlibatan aktif masyarakat menjadi kunci keberhasilan program ini dalam mengurangi dampak lingkungan dan meningkatkan kesehatan masyarakat.
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.