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All Journal Jurnal Teknologi Pertambangan G-Tech : Jurnal Teknologi Terapan Jurnal Riset Rumpun Ilmu Teknik (JURRITEK) Cerdika: Jurnal Ilmiah Indonesia Innovative: Journal Of Social Science Research Jurnal Teknik Pertambangan (JTP) Diteksi : Jurnal Pengabdian Kepada Masyarakat Jurnal Teknologi Sumberdaya Mineral
Inso, Yos David
Universitas Palangka Raya
Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Public Health Social Sciences Other

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Analisis Perubahan Kualitas Batubara Sebelum dan Sesudah Swabakar di Stockpile 10 Port Paring Lahung Mellysa Caldera; Deddy Nan Setya Putra Tanggara; Dody Ariyantho Kusma Wijaya; I Putu Putrawiyanta; Yos David Inso
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 3 (2025): Desember : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i3.6878

Abstract

Coal is an important energy source that is still widely used in industry, especially the power generation industry, because of its high energy content. However, in the process of handling and storage, coal has the characteristic of being easily oxidized, This oxidation process, if it occurs continuously, can cause internal heat accumulation which eventually triggers spontaneous combustion. This study aims to analyze changes in coal quality before and after spontaneous combustionto find out how spontaneous combustionaffects coal quality in stockpiles. The research method used is a quantitative method where the data from laboratory tests on coal quality before and after spontaneous combustionis analyzed, the comparison of coal quality in stockpile 10 before and after spontaneous combustionis then graphed to see changes in the quality of each parameter. Based on the results of the analysis of changes in coal quality before and after spontaneous combustion, there were significant changes to several coal quality parameters, namely Total Moisture which was originally from 7.06% to 5.50% (down by 1.56%), Moisture which was originally 3.91% to 3.22% (down by 0.69%), Ash Content which was originally 8.84% to 14.67% (up by 5.83%), Volatile Matter which was originally 39.77% to 35.10% (down by 4.67%), Fixed Carbon from 47.48% to 47.01% (down by 0.47%), Sulphur from 0.55% to 0.46% (down by 0.9%), and Calorific value decreased from 6,921 to 6,289 kcal/kg (down by 632 kcal/kg). This decrease in quality has a direct effect on the selling value and efficiency of coal combustion. The existence of an analysis of changes in coal quality due to spontaneous combustioncan help companies to find out how much of an impact losses can be caused by the occurrence of spontaneous combustion. By considering the potential losses due to spontaneous combustion, the company will make efforts to prevent the occurrence of spontaneous combustion in the future to minimize the losses caused.
PRODUKTIFITAS ALAT RIPPING PADA PEMBERAIAN OVERBURDEN DI PT. ABC: Productivity Of Ripping Tools In Overburden Spreading At PT. ABC Inso, Yos David; Iashania, Yunida
JURNAL TEKNIK PERTAMBANGAN Vol. 24 No. 1 (2024): Februari 2024
Publisher : JURUSAN TEKNIK PERTAMBANGAN UPR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jtp.v24i1.12424

Abstract

Penelitian ini dilakukan pada PT. ABC menggunakan dozer tipe Komatsu BDZ 1501 -D155A dengan menggunakan metode ripping untuk proses pemberaian overburden. Tujuan dari pemberaian ini adalah memberaikan material overburden agar produktifitas unit loader dapat mencapai target produksi untuk mempermudah penambangan. Penelitian dilakukan dengan mengikuti kegiatan ripping overburden secara langsung di lapangan dan melakukan pencatatan bagaimana prosedur pelaksanaan kegiatan tersebut serta mengambil data-data yang akan di analisa kemudian. Dari data siklus alat ripping berdasarkan waktu maju, waktu mundur, waktu tetap, penetrasi ripper, jarak ripping dan waktu hambatan diperoleh 292 siklus ripping yang terdiri dari 2 lokasi ripping dengan 7 area ripping. 292 siklus ripping ini dikelompokkan menjadi beberapa data berdasarkan jarak yang didapatkan selama siklus ripping. besaran nilai produktifitas dari alat ripping dozer Komatsu BDZ 1501 – 155A adalah senilai 199,56 bcm/jam. Faktor- faktor yang menyebabkan produktivitas rendah yaitu metode ripping, kondisi material dan waktu hambatan. Kata kunci: overburden, ripping, bulldozer  
Co-Authors Asri Fridtriyanda Deddy Nan Setya Putra Tanggara Deddy Tanggara Dody Ariyantho Kusma Wijaya Fahrul Indrajaya Ferdinandus, Ferdinandus Ferra Murati Fidayanti, Neny Gusti Iqbal Tawaqal Hepryandi L. Dj. Usup I Putu Putrawiyanta Luwyk Djanas Usup , Hepryandi Mellysa Caldera Nababan, Berkat Obniel Neny Sukmawatie Neny Sukmawatie Novalisae Noveriady Nuansa Mare Apui Ganang Purba, Muhammad Kanaya Rasidi, Muhammad Untung Saptawartono, Saptawartono Sonia Yuliana Samosir Sukmawatie, Neny Talayuk, Monica Anastacia Oktavia Virgiyanti, Lisa Yohanes, Yosindo Yossa Yonathan Hutajulu Yuliana Samosir, Sonia Yunida Iashania Yusias Andri