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All Journal Journal of Degraded and Mining Lands Management Journal of Geoscience, Engineering, Environment, and Technology Jurnal Geosains dan Teknologi Jurnal GEOSAPTA Prosiding Temu Profesi Tahunan PERHAPI Journal of Community Development Ophiolite : Jurnal Geologi Terapan Mining Science and Technology Journal Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) OPHIOLITE : Jurnal Geologi Terapan Karya Nyata: Jurnal Pengabdian Kepada Masyarakat Mekongga: Jurnal Pengabdian Masyarakat
Jaya, Rio Irhan Mais Cendra
Universitas Halu Oleo
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Mechanical Engineering Nursing Physics Public Health Social Sciences Other

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Tidal Energy Potential in Lasongko Bay, Central Buton, Southeast Sulawesi Province Syahrul; Jaya, Rio Irhan Mais Cendra; sabaria, sabaria; Putri, Ulfhi Aliyandha
MEKONGGA: Jurnal Pengabdian Masyarakat Vol. 2 No. 1 (2025): April 2025
Publisher : Digital Innovation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69616/mekongga.v2i1.221

Abstract

The use of renewable energy to reduce fossil energy consumption is currently a worldwide issue. Indonesia is an archipelago traversed by the equator and surrounded by two oceans: the Indian Ocean and the Pacific Ocean. This is why the tides, wind, waves and ocean currents in Indonesian waters are very strong. This study aims to determine the potential of tidal energy in the waters of Lasongko Bay, Central Buton Regency that can be used as renewable energy in supporting national energy security and reducing dependence on the use of energy from fossil fuels that can cause greenhouse gas emissions. The quantitative method used is descriptive analysis to describe the results of research using numbers, statistical analysis, and mathematical equations in accordance with scientific standards. The direct sampling method allows for the determination of research sites; samples taken at one site will serve as a representation of other sites in the study area. Data were collected by direct observation, by measuring and recording the water level at every 1-hour interval for 15 days. The average volume of water entering the pond was 871.33 m3, with an average flow rate of 0.02 m3/s. From the results of the analysis carried out, the average power generated is 0.06 Watt per cubic metre of sea water rise and the average energy generated in 1 (one) year is 54.22 kWh.
Assessing the environmental impact of Kolaka peridotites from nickel mining waste for geological carbon storage: Mineralogy, carbonation potential, and rock property changes Deniyatno, Deniyatno; Masri, Masri; Jaya, Rio Irhan Mais Cendra; Wahab, Wahab; Syahrul, Syahrul
Journal of Degraded and Mining Lands Management Vol. 12 No. 5 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2025.125.8899

Abstract

This study investigated the carbonation potential of peridotite from the Kolaka Ultramafic Complex in Sulawesi, Indonesia, for carbon capture and storage (CCS) applications. Peridotites, particularly those enriched in magnesium, are known for their high reactivity with CO?, forming stable mineral carbonates. However, the Kolaka region’s peridotites have not been thoroughly assessed for their carbonation prospects. This research addresses this gap by examining the petrology, geochemistry, and physical-magnetic properties of peridotite, focusing on its serpentinization and carbonation characteristics. An integrated approach applying petrographic analysis, X-ray fluorescence (XRF), X-ray diffraction (XRD), scanning electron microscopy (SEM), Schmidt hammer, and magnetic susceptibility tests, was used to determine the mineral composition, specifically the carbonation minerals, and the changes in the physical properties of the rocks during carbonation. The results showed that the peridotites, particularly serpentinized lherzolites, exhibit high carbonation potential characterized by the abundance of magnesium-rich olivine-pyroxene minerals. Carbonation reactions are characterized by the presence of magnesite and brucite, leading to significant changes in rock strength and magnetic susceptibility. Carbonation occurs by an advanced serpentinization process, which increased mineral reactivity and leads to reducing uniaxial compressive strength (UCS). Additionally, magnetic susceptibility exhibits positive correlation with serpentinization, accompanied by magnetite formation. These findings suggest that Kolaka's serpentinized peridotite, as mining waste, is a viable candidate for CO? storage. The ex-situ carbonation mechanism allows Kolaka's fine-grained peridotite to capture CO?, while also improving nickel ore recovery, minimizing dust, neutralizing acid mine drainage, and enhancing soil quality.
Edukasi Pertambangan Berwawasan Lingkungan pada Mahasiswa Teknik Geologi Universitas Sulawesi Tenggara Saleh, Isman; Arisona Arisona; Okto, Ali; Arifin, Asri; Bahdad Bahdad; Masri Masri; Jaya, Rio Irhan Mais Cendra; Firdaus, Amritzal Nur
Karya Nyata : Jurnal Pengabdian kepada Masyarakat Vol. 2 No. 3 (2025): September : Karya Nyata : Jurnal Pengabdian kepada Masyarakat
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/karyanyata.v2i3.2244

Abstract

This community service program aims to enhance the understanding of Geology Engineering students at Universitas Sulawesi Tenggara regarding environmentally sustainable mining practices. The education was delivered through lectures, interactive discussions, and local case studies relevant to mining activities in Southeast Sulawesi. These methods were chosen to encourage active participation and ensure the materials were contextually relevant to the students’ local environment and future professional field. The results indicate that students gained new insights into the implementation of good mining practice, post-mining reclamation, and mining and environmental regulations, which fostered greater awareness of the environmental and social impacts of mining. In addition, the program facilitated critical thinking and encouraged students to analyze real-world mining problems from a sustainability perspective. Consequently, this program not only improved students’ environmental literacy but also developed a sense of responsibility and commitment to supporting sustainable mining practices. It is expected that the knowledge gained will influence their future decisions as professionals in the mining sector, promoting a more sustainable and responsible industry.
Co-Authors Al Firman, Al Firman Ali Okto Amritzal Nur Firdaus Arisona Arisona Arisona Arisona Asri Arifin Atodding, Wa Ode Sitti Jumrana Bahdad Bahdad Deniyatno Deniyatno, Deniyatno Erwin Anshari Harisma Buburanda, Harisma Harisma, Harisma Hasria Hasria Hasria Hasria Hasria, Hasria Ihksan Juarsan, Laode Isman Saleh Juarsan, Laode Ihksan Kumalasari, Rizki La Ode Dzakir La Ode Ngkoimani Masri Masri Masri Masri Masri Masri Muliddin NENI Nopri Asharun Nur Syamsiah, Nur Okto, Ali Pramadana, Reza Putri, Ulfhi Aliyandha Ramadani, Suci Razak Haraty, Syamsul Resmin, Masrandi Risal Sepdiansar Riska Rubaiyn, Al Sabaria, Sabaria Sahiddin, La Ode Salihin, La Ode M. Iradat Sara Septiana Sawaludin, Sawaludin Suryawan Asfar Suwardi, Wa Ode Syahrul Syahrul Syahrul Wahab Wahab