Rare Earth Elements (REE) are a group of 17 elementsthat are rarely found in nature. Minerals that contain REE mostly are found as a product of tin mining activities. Currently, the industrial worl…
To plan a coal utilization policy strategy, we need to know about the amount and quality of coal resources and reserves. Because coal is a reliable source for power plants that are widely used and …
PT. Bukit Asam, Tbk (PTBA) plans to carry out finalization activities on Pit 1 East and North. However, in the implementation of the East and North Pit 1 finalization activities there was an obstac…
PT. Bukit Asam Tbk (PT. BA) merupakan perusahaan yang bergerak dalam bidang penambangan batubara sejak tahun 1981 yang memiliki izin usaha pertambangan (IUP) operasi produksi batubara seluas 40.347…
PT. Ansaf Inti Resources has set a target for overburden removal in December 2021 of 200,089 BCM, while only 96,528 BCM was realized. So there is still a shortage of overburden production of around…
PT Asta Maharanita (AM) adalah salah satu perusahaan yang bergerak di bidang industri pertambangan batubara yang berlokasi di Desa Kebur, Lahat, Sumatera Selatan. Penelitian ini dilakukan karena ai…
The open pit mining method applied to coal mining at PT Anugerah Covindo Indonesia has resulted in the formation of basins that have the potential to collect rainwater and groundwater. Water enteri…
PT Dizamatra Powerindo is a coal company with a Mining Business License Area of 971 Ha. The increasing price of coal makes the companies plan to increase production targets in the following year. I…
Indonesia memiliki potensi cadangan pasir besi 750 juta ton. Beberapa tahun terakhir permintaan besi dan baja dunia semakin tinggi, di indonesia kebutuhan baja nasional terus mengalami peningkatan …
PT Era Energi Mandiri (PT EEM) is a coal mining company which is administratively located in South Merapi, Lahat, South Sumatra. PT EEM has the obligation to reclaim disposal with an area of 77.48 …
Kegiatan pengolahan bahan galian adalah kegiatan guna meningkatkan nilai bahan galian. Salah satu alat yang biasa digunakan adalah Sluice box dengan menggunakaan prinsip perbedaan berat jenis. Vari…
The availability of tools and lost working time are the main issues for every mining company to improve the efficiency and performance of mining activities. Overall Equipment Effectiveness (OEE) is…
Endapan pasir besi merupakan endapan pantai yang terbentuk oleh konsentrasi mekanik, dan fisik dari mineral-mineral batuan asal akibat proses pelapukan itu sendiri, batuan darat yang tererosi mem…
Processing with shaking table is much affected by variables whose performance is set to obtain optimal grade and recovery. These variables include the number of riffles, deck slope, stream of water…
The study to be carried out is a mapping of groundwater potential in relation to forest and land fires (karhutla) in Lempuing District, Ogan Komering Ilir Regency (OKI). This study is focused on de…
PT Firman Ketaun is a company that belongs to the Wijaya Kusuma (WIKU) Group which is engaged in Coal Mining. The high intensity of rain in February 2021 resulted in a large amount of rainwater run…
The level of Sn in the tin sand concentrate must meet the standard criteria for making anodes, one of which is the Nexelion anode, which is 27.3%. To meet the requirements for these grades, tin san…
Limestone mining in PT Indocement Tunggal Prakarsa, Tbk, located at West Palimanan village, subdistrict of Gempol, Cirebon. The process of limestone transport from quarry B160 to crusher P9 is 1,78…
Over the last five years or so, fires have continued to occur in OKI Regency, including in Tulung Selapan district. Based on data obtained from the Regional Disaster Management Agency (BPBD) of Oga…
Salah satu bahan galian tambang yang sangat besar penggunaannya dalam industri besi dan baja adalah pasir besi. Konsentrat besi yang ada di Indonesia dianggap tidak sesuai digunakan sebagai bahan b…
PT Kaltim Prima Coal is a large company located in Sangatta sub-district, Kutai Timur district, East Kalimantan province and operates mining operations based on the Mining Business License Area cov…
PT Lahat Pulau Pinang Bara Jaya (LPPBJ) is located in Merapi Selatan District, Lahat Regency. PT LPPBJ sets an annual coal production target of 600,000 tonnes. To fulfill this production target, PT…
Tin is one of the valuable minerals found in Indonesia and is often found in the form of alluvial deposits with its constituent mineral is cassiterite (SnO2). Toobtain tin deposits, mining activiti…
Coal washing aims to improve the quality of coal with the principle of reducing ash content. High coal ash content is not good for the combustion process at the power plant. In this study, the aim …
PT Tunas Jaya Perkasa is one of coal mining contractor that operates in Tanah laut district, South Borneo Province, with the coal production target in July 2020 is 60.054 tonne, and the overburden …
PT Adi Sejahtera is a mining company with andesite rock minerals. The company uses dump trucks and belt conveyors to help move andesite stones. Dump trucks are used as a means of moving andesite st…
Jalan angkut yang baik merupakan faktor yang sangat berpengaruh dalam kelancaran kegiatan pengangkutan batubara serta proses pencapaian target produktivitas pengangkutan yang telah ditetapkan oleh …
PT Tambang Bukit Tambi is a company engaged in the coal mining business. The increasing demand for coal also requires careful planning by considering technical and economic aspects so that producti…
Andesite mining activities, there is a processing process aimed at producing products that meet consumer or market demands but also produce waste that causes environmental problems. The waste from …
ndustrial-scale material transport equipment that is often used to move material from one place to another is a conveyor belt. PT Semen Baturaja (Persero), Tbk. has a one-way conveyor system in fac…