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ANALISIS PENINGKATAN KUALITAS PASIR TIMAH UNTUK MEMENUHI KEBUTUHAN INDUSTRI P…
Tin sand is a sand deposit containing cassiterite (SnO2) as the main mineral and several other associated minerals. The mineral found in tin ore is the main mineral called cassiterite. The processing of excavated materials so that their content or quality can be improved through jigs until they meet marketing criteria or for smelting. This study used a pan-American type jig with western operati…
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- viii, 46 hlm.; ilus.; tab.; 29 cm
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- T1839642025
KAJIAN PENERAPAN SISTEM FIRST IN FIRST OUT PADA STOCKPILE BATUBARA DI PIT 3 B…
PT Bukit Asam Tbk, as a coal mining company, plays a vital role in national energy supply. One crucial aspect of its operational activities is stockpile management, which serves as a coal storage area. Problems encountered at Pit 3 Banko include the inadequate implementation of the First In First Out (FIFO) system and the stockpile height exceeding the standard. This study aims to analyze the a…
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- xv, 60 hlm.; ilus.; tab.; 29 cm.
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- T1858452025
PERENCANAAN TEKNIS SEKUEN PENAMBANGAN SERTA SUMP TEMPORARY DAN PERENCANAAN DI…
PT Duta Bara Utama is a coal mining company with a mining permit covering an area of 1,967 hectares. PT Duta Bara Utama targets 7,150,000 bcm of overburden and 2,000,000 tons of coal in 2025. In 2024, PT Duta Bara Utama produced 1,900,000 tons of coal and increased its production by 2,000,000 tons in 2025. The company uses the open pit mining method with main equipment such as excavators and du…
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- xv, 174 hlm.; ilus.; tab.; 29 cm.
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- T1858422025
KAJIAN PENGARUH GEOMETRI TERHADAP FRAGMENTASI DAN BIAYA PELEDAKAN BATU KAPUR …
Blasting activities at PT Semen Padang are carried out to fragment hard rock formations using a blast geometry that typically involves a burden of 3–4 meters, spacing of 3–5 meters, and blast hole depths of up to 11 meters. The explosive used is DABEX 73, a mixture of 70% ANFO and 30% emulsion, produced on-site and mixed using a Mobile Manufacturing Truck (MMT), ensuring both operational ef…
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- xiv, 142 hlm.; ilus.; tab.; 29 cm.
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- T1858342025
ANALISIS BLENDING BATUBARA UNTUK MEMENUHI SPESIFIKASI PERMINTAAN KONSUMEN DI …
PT Putra Muba Coal is a coal mining company located in Musi Banyuasin Regency, South Sumatra Province, with two active mining areas, namely the Abimanyu and Pandu pits. These two pits produce coal with different quality characteristics, such as calorific value, ash content, moisture, and sulfur content, which pose challenges in meeting spot market demand, particularly for shipments of 8,500 ton…
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- xvi, 100 hlm.; ilus.; tab.; 29 cm.
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- T1857242025
ANALISIS PENGARUH DAYA DUKUNG TANAH TERHADAP PEMILIHAN ALAT MEKANIS PADA PENA…
The selection of mechanical equipment in coal mining operations is heavily influenced by geotechnical conditions, particularly the soil bearing capacity. This capacity must be calculated and compared with the ground pressure exerted by the mechanical equipment. To avoid ground failure or subsidence, the ground pressure must be lower than the soil’s bearing capacity. Soil compaction was assess…
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- xv, 112 hlm.; ilus.; tab.; 29 cm.
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- T1857492025
OPTIMASI PIT PENAMBANGAN NIKEL LATERIT DI PT MINERAL ALAM ABADI GROUP SITE BC…
Indonesia is the world’s largest nickel producer with production of 1,6 million metric tons in 2022 (48,48% of global production) and reserves of 17,7 billion tons of ore or 177,8 million tons of metal. Most of the nickel laterite is found in the eastern is spread across Southeast Sulawesi, Central Sulawesi, South Sulawesi, Maluku, North Maluku, Papua, and West Papua. PT Mineral Alam Abadi (M…
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- xv, 95 hlm.; ilus.; tab.; 29 cm.
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- T1857192025
PENGARUH GEOMETRI JALAN ANGKUT TERHADAP PRODUKTIVITAS ALAT ANGKUT PADA PENAMB…
This study aims to analyze the effect of haul road geometry on the productivity of hauling equipment in coal mining operations at PT Bhumi Sriwijaya Perdana Coal, Musi Banyuasin Regency, South Sumatera. The evaluated parameters include road width, longitudinal grade, cross slope, superelevation, and curve radius, which were compared with the standards of Ministerial Decree of Energy and Mineral…
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- xvi, 100 hlm.; ilus.; tab.; 29 cm.
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- T1857112025
OPTIMASI PRODUKSI BARGE LOADING CONVEYOR DALAM PEMUATAN BATUBARA DI PT PUTRA …
PT Putra Muba Coal is a coal mining company that utilizes a Barge Loading Conveyor (BLC) system for loading coal from the stockpile to the barge. In March 2025, the company set a production target of 108,500 tons/month or a daily target of 3,500 tons. However, actual production has not consistently met this target. This study aims to analyze BLC productivity, identify key obstacles hindering sm…
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- xvi, 77 hlm.; ilus.; tab.; 29 cm.
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- T1856342025
ANALISIS KESTABILAN LERENG SIDEWALL MENGGUNAKAN METODE BISHOP PADA PIT B2 TAM…
Penelitian ini dilakukan di PT Batu Hitam Jaya, sebuah tambang batubara terbuka di Kabupaten Batanghari, Jambi. Pada awal Februari 2025, terjadi kelongsoran pada bench di bawah jalan dengan lebar 16 meter, tinggi 5 meter, dan sudut kemiringan 38° yang juga difungsikan sebagai jalan menuju disposal. Kondisi ini menimbulkan gangguan operasional dan meningkatkan risiko keselamatan, sehingga diper…
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- xv, 76 hlm.; ilus.; tab.; 29 cm.
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- T1856402025
KAJIAN BLENDING BATUBARA DALAM RENCANA PEMENUHAN MARKET BRAND BULAN MARET PT …
Batubara merupakan salah satu sumber energi utama yang digunakan di berbagai negara dan sering diperdagangkan guna memenuhi kebutuhan energi global. Indonesia sebagai salah satu negara penghasil batubara memiliki peran penting dalam memenuhi permintaan tersebut salah satunya melalui PT Bukit Asam Tbk yang memproduksi dan mengekspor batubara dalam berbagai market brand. Penelitian ini bertujuan …
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- xv, 76 hlm.; ilus.; tab.; 29 cm.
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- T1854862025
ANALISIS PENGARUH PENGGUNAAN AIR DECK TERHADAP FRAGMENTASI HASIL PELEDAKAN, G…
Kegiatan peledakan pada PT MTN di pit E Utara bertujuan untuk mengupas lapisan tanah penutup batubara overburden ataupun interburden. Hal ini dilakukan agar mempermudah alat gali muat untuk mengupas lapisan tanah penutup tersebut dalam mencapai target produksi. Kegiatan peledakan yang dilakukan di PT MTN terdiri dari beberapa tahapan, seperti persiapan pengeboran, kegiatan pengeboran, kegiatan …
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- xvii, 102 hlm.; ilus.; tab.; 29 cm.
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- T1854852025
PERBANDINGAN STRATEGI PEMBIAYAAN EQUITY FINANCING DAN DEBT FINANCING PROYEK T…
The research was conducted on the silica mining project of PT Minevesting Resources Indonesia, which is still at the feasibility study stage, with the main focus on evaluating the optimal financing strategy through a comparison between equity financing and debt financing. The analysis was carried out using a quantitative approach based on projected cash flows with two key parameters, namely Net…
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- xv, 104 hlm.; ilus.; tab.; 29 cm.
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- T1855092025
ESTIMASI TOTAL SUMBERDAYA ENDAPAN NIKEL LATERIT, SEBAGAI ANALISIS REKONSILIAS…
PT Mulia Pasific Resources merupakan salah satu perusahaan yang bergerak dibidang industri pertambangan nikel laterit sejak tahun 2011 yang memiliki lokasi penambangan di Desa Ganda-ganda, Kecamatan Petasia, Kabupaten Morowali Utara, Provinsi Sulawesi Tengah dan memiliki 3 pit yaitu pit Bravo,Charlie dan Delta. Untuk pit Delta sendiri sudah dilakukan kegiatan penambangan oleh sebab itu rekonsil…
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- xviii, 134 hlm.; Ilus.; 29 cm
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- T1155812023
PERENCANAAN PENGELOLAAN LINGKUNGAN TAMBANG BATUAN ANDESIT DI PT. BUKIT ASAM T…
PT. Bukit Asam Tbk Tanjung Enim Mining Unit (UPTE) is a state-owned company (BUMN) engaged in mining. Planning is the determination of the goals and objectives of the activities to be achieved. In andesite mining in quarry mines, there is no overburden due to hilly soil conditions, which are mostly formed by accumulated rocks to form hills. Therefore, it is necessary to plan and study things th…
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- xv, 91 hlm,: ilus,: 29 cm
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- T439262021
ANALISIS PENINGKATAN KADAR BIJIH TIMAH MENGGUNAKAN SHAKING TABLE UNTUK MEMENU…
Indonesia is one of the countries in Asia which has abundant resources. One of the many resources found in Indonesia is mineral resources. Tin is one of the most abundant mineral resources in Indonesia. The process of washing tin ore is carried out using a shaking table. Shaking Table is a tool whose main part consists of a table consisting of a slightly tilted deck which works because of t…
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- xiv, 63 hlm,: ilus,: 29 cm
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- T486612021
ANALISIS POTENSI AIR TANAH BERDASARKAN KONDISI HIDROGEOLOGI DAN PENGUKURAN GE…
Based on the hydrogeological condition of Tanjung Lubuk District, the entire area is included in the Palembang-Kayuagung Groundwater Basin. Because of this, it is hoped that below the surface of the land in Tanjung Lubuk District, there will be layers that can store and drain water or are called aquifers. The results of 1D geoelectric measurements in Ulak Kapal Village, which have a endapan raw…
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- xiv, 61 hlm,: ilus,: 29 cm
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- T508552021
EVALUASI PENGARUH GEOMETRI JALAN ANGKUT TERHADAP WAKTU TRAVEL DUMP TRUCK DARI…
The ideal mine haul road will optimize production results in accordance with the planned production targets. The coal production target at PT EEM in December is 42,000 tonnes, while the actual production is 12,700 tonnes. One of the reasons for this inactivity was due to the very long travel time for the dump truck from Pit Seam J to Stockpile Talang Akar. This is caused by less than ideal haul…
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- xvi, 89 hlm,: ilus,: 29 cm
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- T508712021
ANALISIS PERUBAHAN PARAMETER KUALITAS BATUBARA DI FRONT PENAMBANGAN DAN STOCK…
Coal quality is something that will affect the economic value of the coal to be mined. Coal quality is influenced by factors of total moisture, ash content, volatile matter, total sulfur, fixed carbon, and caloric value. However, the quality parameters of coal can change, this is indicated mainly by the change in calorific value of coal sampling when it is at the mining front and stockpile. Thi…
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- xvii, 78 hlm,: ilus,: 29 cm
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- T497082021
EVALUASI KINERJA ALAT GALI MUAT DAN ALAT ANGKUT DI PIT SELATAN PT. CITRA TOBI…
Inadequate production of stripping overburden and coal is necessary to be evaluated in the performance of the excavator and transport that works on the stripping overburden at the CTSP Mine location in December 2019. The results of the research show that based on calculations, the actual productivity of the PC 300 backhoe is obtained and the Hino260 dump truck has productivity respectively 116.…
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- xv, 57 hlm,: ilus,: 29 cm
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- T488732021
KAJIAN TEKNIS DAN EKONOMIS RENCANA REKLAMASI TAHAP OPERASI PRODUKSI PADA AREA…
PT Satria Mayangkara Sejahtera (PT SMS) is a coal mining company located in West Merapi, Lahat, South Sumatra. In an effort to improve environmental quality, PT SMS conducts a series of reclamation activities both technically and economically which are the subject of this research. The location of this research is carried out in disposal areas for the period 2021 – 2024. The aim of this resea…
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- xv, 133 hlm,: ilus,: 29 cm
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- T503542021
ANALISIS COAL LOSSES KEGIATAN COAL GETTING DARI PIT GUNUNG AGUNG KE STOCKPILE…
PT. Bumi Merapi Energi is a coal mining company that implements an open pit mining system. At the time of the mining process, coal recovery was often not in accordance with the plan. In the period January 2020 to August 2020 the total variation of coal recovery was 88.22%. This figure is below the value of coal recovery PT. Bumi Merapi Energy is 95% with a loss tolerance of 5%, this indicates l…
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- xv, 67 hlm,: ilus,: 29 cm
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- T499182021
EVALUASI KEBUTUHAN ALAT GALI MUAT DAN ALAT ANGKUT UNTUK PENCAPAIAN PENINGKATA…
PT Dizamatra Powerindo merupakan perusahaan swasta yang bergerak dalam bidang energi dan pertambangan batubara. Sistem penambangan pada wilayah Penambangan Pit 4 menggunakan sistem tambang terbuka dengan metode shovel and truck. Penambangan Pit 4 pada Tahun 2021 mempunyai rencana peningkatan produksi alat sebesar 2.000.000 ton/tahun, namun terjadi ketidaktercapaian produksi sehingga perlu dilak…
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- xvi, 99 hlm,: ilus,: 29 cm
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- T488582021
ANALISIS PROSES PENINGKATAN KADAR PASIR BESI MENGGUNAKAN ALAT WILLOBI PADA SK…
Sand iron is an ingredient that used in making sponge iron. To get sponge iron in good quality needed sand iron that have levels of metal iron is above 56%. Enhancement until sand iron could done with tool that apply principle gravity concentration. There is tool processing that apply principle usually used to separate tin sand from its impurities, namely willobi. However, in this study willobi…
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- xv, 79 hlm,: ilus,: 29 cm
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- T503562021
ANALISIS PENANGANAN LUMPUR HASIL PENCUCIAN MANUFACTURED SAND DENGAN ALAT FILT…
PT. Meganta Batu Sampurna, merupakan salah satu perusahaan tambang yang berlokasi di Desa Batujajar, Kecamatan Cigudeg, Kabupaten Bogor, Provinsi Jawa Barat. PT. Meganta Batu Sampurna melakukan kegiatan penambangan batuan andesit sebagai bahan galian utama yang diproduksi. Kegiatan pengolahan yang dilakukan di PT. Meganta Batu Sampurna, yaitu untuk mengkominusi batuan andesit sehingga menjadi b…
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- xiii, 66 hlm,: ilus,: 29 cm
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- T503602021
EVALUASI TEKNIS DAN BIAYA PENGELOLAAN LINGKUNGAN STOCKPILE BATUBARA PT. BUKIT…
PT. Bukit Asam Tarahan Port Unit is one of the ports that function as a coal stockpile with the main activity being coal loading and unloading operations. During these operational activities, several negative environmental impacts can occur, such as decreasing water quality, decreasing air quality and causing noise, B3 waste, self-burning, and decreasing soil quality. To overcome these …
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- xv, 65 hlm,: ilus,: 29 cm
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- T533642021
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