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All Journal Jurnal GEOSAPTA Idea Pengabdian Masyarakat Journal of Geology and Exploration INTEGRATIF: Jurnal Pengabdian Kepada Masyarakat Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) Journal of Mining Insight Journal of Engineering Science and Technology Applications
Chalik, Citra Aulian
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Chemistry Dentistry Earth & Planetary Sciences Education Energy Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Medicine & Pharmacology Nursing Public Health Social Sciences Other

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Journal : Journal of Engineering Science and Technology Applications

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Analisis Perbedaan Kadar Nikel Antara Front Penambangan dan Stockpile Pada PT Rockstone Multi Mining Indonesia: Analysis of the difference in Nickel Grade Between the Mining Front and Stockpile at PT Rockstone Multi Mining Indonesia Maulana, Wahyu; Chalik, Citra Aulian; Thamsi, Alam Budiman
Journal of Engineering Science and Technology Applications Vol. 2 No. 2 (2024): Journal of Engineering Science and Technology Applications
Publisher : CV Insight Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58227/jesta.v2i2.207

Abstract

PT Rockstone Multi Mining Indonesia Central Sulawesi is one of the companies that manages laterite nickel ore into ferronickel (FeNi) products. This study aims to determine the percentage of nickel content found in the mining front to the stockpile and to find out what percentage of the change in nickel content from the mining front to the stockpile and analyze the factors of the change in the level from the mining front to the stockpile. This study uses the field observation method. In the mining front data , with a total of 17 domes, the average level of Ni Front of reclamation is 1.91 while the average level of Ni stockpile is 1.90. When summing up the average value of the mining front and stockpile levels , a decrease in nickel content of 0.01% was obtained. The factors that cause changes in nickel levels are waterlogging, dredging of the Stockpile floor, the use of used sacks for samples, unclean buckets, unclean dump truck tubs, sampling errors, and preparation errors.
Co-Authors Alam Budiman Thamsi Andi Fahdli Heriansyah Arifin, Mubdiana Bakri, Hasbi Bakri, Suriyanto Febrianto Wajar, Kurniawan Firdaus Firdaus Firdaus Hafid, Muhammad Fachry Harwan Harwan Harwan, Harwan Januar, Rezki Reyditha Nurhawaisyah, Sitti Ratmi Nurliah Jafar, Nurliah Nurwaskito, Arif Wahyu Maulana, Wahyu Wakila, Muhammad Hardin