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All Journal Jurnal Pertambangan JGE (Jurnal Geofisika Eksplorasi) Jurnal Geomine JURNAL PENGABDIAN KEPADA MASYARAKAT Jurnal GEOSAPTA International Journal of Applied Sciences and Smart Technologies Abdimas Galuh : Jurnal Pengabdian Kepada Masyarakat Madaniya JNANALOKA Jurnal Pengabdian Masyarakat (ABDIRA) Jurnal PkM (Pengabdian kepada Masyarakat) Idea Pengabdian Masyarakat Matriks Teknik Sipil Journal of Geology and Exploration Journal of Mining Insight Journal of Engineering Science and Technology Applications
Alam Budiman Thamsi
Universitas Muslim Indonesia
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Analisis Perbandingan Pencampuran Bijih Nikel High Grade Limonit Dan Low Grade Saprolit Untuk Memenuhi Permintaan Pasar Pada PT Mandiri Mineral Perkasa Thamsi, Alam Budiman; Yusuf, Firman Nullah; Rahma, Kismu; Hardin Wakila, Muhamad
JNANALOKA Vol. 04 No. 02 September Tahun 2023
Publisher : Lentera Dua Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36802/jnanaloka.2023.v4-no2-63-68

Abstract

PT Mandiri Mineral Perkasa is a contractor company operating in the field of nickel mining and has fulfilled the market/smelter demand requirements for Ni 1.5% - 2.0%, by setting a Cut Of Grade (COG) collection limit of Ni 1.4%. The aim of this research is to determine the Ni content of high grade limonite and low grade saprolite at the research location, and to determine the Ni content of high grade limonite and low grade saprolite, and to determine the additional tonnage and levels to meet market demand. In this study, the blending method was used, a mixing process between different low grade and high grade nickel ores to obtain appropriate mixture results, so that from the results of blending/mixing high grade limonite nickel ore, Ni 1.43 and Fe 26.71% were obtained, and for low grade saprolite you get 1.59% Ni and 26.73% Fe, for the results of blending/mixing high grade limonite and low grade saprolite you get 1.51% Ni and 26.72% Fe, efforts can be made to meet demand Ni 1.8% market with 5,000 tons needs to increase the grade and tonnage, namely, Ni grade 2.32% and 2,111.45 tons.
MODEL OF LATERITE NICKEL DEPOSITS BASED ON LGSO AND HGSO VALUES PT MITRA KARYA AGUNG LESTARI Asmiani, Nur; Thamsi, Alam Budiman; Nompo, Supardin; Bakri, Suryanto; Tukloy, Muh. Yusril Affandy; Harmitun, Harmitun
JGE (Jurnal Geofisika Eksplorasi) Vol. 10 No. 1 (2024)
Publisher : Engineering Faculty Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jge.v10i1.305

Abstract

The laterite nickel deposit model provides information about the form of laterite nickel deposits below the surface, which can be used as one of the considerations in the implementation of mining activities. The purpose of conducting this research is to determine the distribution model of nickel laterite deposits in 3 dimensions (3D) and to determine the amount of nickel laterite reserves based on high-grade saprolite ore (HGSO) and low-grade saprolite ore (LGSO) values in the DH Block. In this research, Inverse Distance Weighted (IDW) is used to estimate nickel laterite resources, which are applied using mining software Surpac 6.3.2 to produce a model in 3D form. The data used are laterite nickel content data (assay), x, y, and z coordinate data (collar), survey data, and lithology data. Based on IDW estimation results with a Cut Off Grade (COG) value of 1.3 in the DH Block of PT Mitra Karya Agung Lestari, High-Grade Saprolite Ore (HGSO) values were obtained at Ni content > 1.7 and Low-Grade Saprolite Ore (LGSO) at Ni content > 1.3, with a tonnage value of 111.994 tons of HGSO and 371.044 tons of LGSO.
Co-Authors A. Arizal A. F. Heriansyah A. Maulana A. S. Munir Abdul Salam Munir Agus A Budiman Agus Ardianto Budiman Ahmad Fauzie Ahmad Gazali, Ahmad Alfian Nawir Alfian Nawir Alfian Nawir Almarabi, Laode Muhammad Imaduddin Andi Fadli Heriansyah Andi Fahdli Heriansyah Anshariah Anshariah Anshariah Anshariah Anshariah, Anshariah Aprilia, Riska Dwi Ardhana, Muh. Reza Arif Nurwaskito AYU LESTARI Badduwahe, Harianto Bakri, Hasbi Bakri, Hasbi Bakri, Suriyanto Bakri, Suryanto Budiman, Agus Ardianto C. A. Chalik C. D. Sangadji Chalik, Citra Aulian Dirgahayu Lantara Djamaluddin Djamaluddin E. P. Umar F, Firdaus F. Firdaus F. N. Yusuf Farizah Dhaifina Amran Febrianto Wajar, Kurniawan Firaldy S Firdaus Firdaus F Firdaus Firdaus Firman Nullah Yusuf Fitri Amalia H. Anwar Habibie Anwar Habibie Anwar Harmitun, Harmitun Harwan Harwan Harwan, Harwan Hasbi Bakri I. Nur Idris Juradi, Muhammad Irwan, Muhammad Reza Ardhana Irzal Nur, Irzal Izzulhaq Ainunnur L.O.M.Y. Amsah Limbanadi, Iftitah Vinny Aurelia M. Aswadi Maharza, Agvir Fajri Mais Ilsan Miftah Farid Muhammad Akbar Muhammad Aswadi Muhammad Furqan Al Faruqi Muhammad Idham Farid Muhammad Nur Alim Muhdi, Irawan Nasrullah Nasrullah Nawir , Alfian Nawir, Alfian Ningsih, Apriana Ningsih, Apriyana Nompo, Supardin Nur Asmiani Nurhawaisyah, Sitti Ratmi Nurliah Jafar Nurliah Jafar Nurliah Jafar, Nurliah Nurwaskito, Arif Pangeran Sulfahmi Prasetyawati Umar, Emi R. M. Ismail Rachman, Muhammad Fathur Rahareng, Sutriani Rahma, Kismu Ratmi Nurhawaisiah, Sitti Rauf Husain, Jamal Reynaldhi Yogi Pranata S. R. Nurhawaisyah Sahabuddin Sahabuddin Sanjaya, Harta Saputra, Isroq Aditya Ekyan Sri Widodo Sukamto, Purwoto Suryanto Bakri Syamsul Bakhri Tholib, Mohammad Tri Andriyani Kandora Tsalis Kurniawan Husain Tukloy, Muh. Yusril Affandy Wahyu Maulana, Wahyu Wakila, Muhammad Hardin Wardana, Lubis Widodo , Sri