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OPTIMASI JARAK TITIK INFORMASI DALAM ESTIMASI SERTA KLASIFIKASI SUMBERDAYA BA…
The reference currently used in estimating and classifying coal resources in PT Dizamatra Powerindo is SNI 5015:2019, which refers to the Australian Guidelines for Estimating and Reporting of Inventory Coal, Coal Resources, and Coal Reserves, 2003 Edition. However, several changes have emerged with the issuance of The JORC Code, 2012 Edition and Australian Guidelines for The Estimation and Clas…
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- xvii, 98 hlm.; ilus.; 29 cm
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- T753782022
EVALUASI PERSENTASE BATUBARA HALUS (FINE COAL) DI PT. DIZAMATRA POWERINDO, KA…
PT. Dizamatra Powerindo is a coal mining unit located in Lahat Regency, South Sumatra. This company implements an open-pit mining system using strip mining. In production activities, it was found that fine coal measuring < 2 mm with a percentage of 16% was found in ready-to-sell products. The PLTU party provides conditions to PT. Dizamatra that the percentage of refined coal is below 10% in rea…
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- xiv, 28 hlm.; ilus.; 29 cm
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- T771642022
EVALUASI SISTEM PENIRISAN TAMBANG BATUBARA AREA PIT UTARA PT BARA ANUGRAH SEJ…
PT Bara Anugrah Sejahtera is a company engaged in coal mining. The mining system currently applied is the open pit method. Alng with the development of the mine, it will create a large basin that has the potential to become a water storage area. In the rainy season, water will in undate the mining area, causing the hole to be flooded. The pump used is a KSB DND 150 4H pump with a capacity of 57…
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- xv, 63 hlm.; ilus.; 29 cm
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- T737342022
PERENCANAAN TEKNIS DAN EKONOMIS REKLAMASI TAMBANG BATUBARA TAHUN 2023-2024 PT…
PT Triaryani (TRA) is located in Musi Rawas Utara, South Sumatra. TRA produces 1,000,000. tons in 2019. The plan for topsoil spreading with an area of 1.15 hectares which will be reclaimed in 2023 requires 5,750 m3 of topsoil, while in 2024 it requires topsoil with anPerPer area of 6.6 hectares as much as 33,000m3 with a topsoil thickness of 0 ,5 m. The revegetation activity plan covers an area…
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- viii, 58 hlm.; ilus.; 29
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- T820952022
PERENCANAAN TEKNIS SCHEDULE PENAMBANGAN BATUBARA PADA TRIWULAN I TAHUN 2022 D…
PT Bima Putra Abadi Citranusa is a company engaged in coal mining located in Lubuk Betung Village, South Merapi District, Lahat Regency, Province South Sumatra. PT. BPAC plans to meet the production target in first quarter of 2022 of 459.711,58 tons. For this reason, it is necessary to plan a new mining design and schedule to meet production targets. This study aims to technically plan the stag…
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- xv, 60 hlm.; ilus.; 29 cm
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- T738942022
PENCUCIAN BATUBARA MENGGUNAKAN ARUS VERTIKAL (HYDROCYCLONE) UNTUK MENGURANGI …
Ash contained in coal or ash content greatly affects the quality of coal. Standard use of ash in PLTU requires coal with an ash content value of 7.8%. So that the coal washing process is needed to reduce the ash content. This study focuses on improving the quality of coal by reducing the ash content of coal using a hydrocyclone with a variable height of the overflow position of 45 cm, 51 cm, an…
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- xiv, 34 hlm.; ilus.; 29 cm
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- T740152022
PERENCANAAN TEKNIS SERTA ANALISIS KEEKONOMIAN PENAMBANGAN BATUBARA PADA PT. T…
PT Tunas Jaya Perkasa developed a business as a coal mining contractor at PT Jorong Barutama Greston with a coal production target of 1,806,000 tons / year with a project life of 5 years. Based on the results of data processing and analysis, it can be determined, the fleet scenario, namely for the fleet scenario that will be used in overburden mining, totaling 11 fleets using a digging tool 2 u…
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- xvii, 58 hlm.; ilus.; 29 cm
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- T662292022
DESAIN FINAL PIT PENAMBANGAN BATUBARA UNTUK MEMENUHI TARGET PRODUKSI 960.000 …
PT. Bukit Tambi Mine is a private company engaged in the coal mining business, located in Batanghari district, Jambi. Monthly coal production target at PT. The Bukit Tambi mine is 80,000 tonnes. PT. Bukit Tambi Mine plans to open a new pit, namely Pit 6 to replace pit 4 which is almost reaching the mining limit. Pit 6 is designed using AutoCAD2017 software and CivilSurpac 6.6.2 which is divided…
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- xiv, 41hlm.: ilus.; 29 cm
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- T672252022
SIMULASI BLENDING BATUBARA UNTUK MENDAPATKAN HARGA JUAL YANG MAKSIMUM DI PT D…
Coal is a combustible sedimentary rock, formed from plant remains that have been deposited for a long time and consists of the main elements carbon, hydrogen, oxygen, and additional elements such as sulfur and nitrogen. PT Dizamatra Powerindo is a private company engaged in coal mining under the Diza Coal brand, this company is located in Kebur Village, West Merapi District, Lahat Regency, Sout…
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- xv, 74 hlm.; ilus.; 29 cm
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- T705872022
ANALISIS FINANSIAL KEGIATAN PENAMBANGAN BATUBARA MENGGUNAKAN METODE DISCOUNTE…
Indonesia has coal reserves spread throughout the region so that many mining companies are engaged in the coal mining industry. Coal mining activities require large capital and investment and carry a high risk. PT. Asta Maharanita, located in Lahat Regency, South Sumatra, is one of the companies engaged in coal mining. This study aims to analyze the financials of the company in terms of investm…
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- xvi, 34 hlm.; ilus.; 29 cm
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- T726262022
PERENCANAAN TEKNIS SEQUENCE PENAMBANGAN BATUBARA TAHUN 2022 UNTUK MEMENUHI TA…
PT Golden Great Borneo is a company that has a concession in coal mining located in Lahat Regency, South Sumatra Province. In 2021, the coal production target at PT Golden Great Borneo is 2,170,000 tons with a stripping ratio limit of 2.5 and plans to increase the production target by 2,500,000 tons of coal with a stripping ratio limit of 3. it is necessary to plan a new mining sequence design …
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- xv, 52 hlm.; ilus.; 29 cm
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- T660682022
ANALISIS PENINGKATAN KUALITAS BATUBARA DENGAN PENCUCIAN BATUBARA MENGGUNAKAN …
Coal washing is a process that aims to improve the quality of coal with the principle of reducing ash content. This research used coal samples with high ash content. A shaking table is a material separation tool that separate material from their impurities that utilizes fluid motion with a thin stream of water flowing horizontally and with the help of the table beat. This study aims to determin…
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- xiv, 51 hlm.; ilus.; 29 cm
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- T775832022
ANALISIS PENGARUH DEBIT AIR DAN FREKUENSI STROKE PADA SHAKING TABLE TERHADAP …
Washing is an effort made to improve the quality of coal, so that the coal meets certain usage requirements, including cleaning to reduce inorganic impurities. Coal washing aims to separate the impurity material in an effort to improve coal quality so that the ash content is reduced. Shaking Table is a gravity concentration tool that works based on differences in specific gravity in a thin laye…
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- xv, 33 hlm.; ilus.; 29 cm
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- T775942022
KAJIAN TEKNIS DEWATERING PADA PIT 4 PENAMBANGAN BATUBARA DI PT DIZAMATRA POWE…
PT Dizamatra Powerindo is a company engaged in the mining sector. One of the factors that can interfere with mining activities in the open pit method is the water factor, so an optimal drainage system is needed to prevent water from entering the mining area. The drainage system used at PT Dizamatra Powerindo is mine dewatering. This research was carried out by calculating and analyzing data on …
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- xv, 36 hlm.; ilus.; 29 cm
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- T725462022
ANALISIS PENGARUH TINGGI RIFFLE DAN UKURAN BUTIR PADA SHAKING TABLE TERHADAP …
Coal washing is an activity to improve the quality of coal, so that the coal complies with certain conditions of use. Coal washing aims to separate the impurity material in an effort to improve the quality of coal so that the heat value is increased and the water and dust content is reduced. Coal washing is done because the coal from mining is not clean coal, but still contains a lot of impurit…
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- xii, 34 hlm.; ilus.; 29 cm
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- T746212022
ANALISIS SISTEM PENYALIRAN TAMBANG PADA PENAMBANGAN BATUBARA DI PIT TENGAH PT…
PT Wahana Bandhawa Kencana merupakan salah satu kontraktor yang menyediakan jasa pada bidang pertambangan. PT Wahana Bandhawa Kencana menerapkan metode tambang terbuka yang menyebabkan terbentuknya daerah tangkapan hujan (catchment area). Catchment area tersebut berpotensi menampung air yang salah satunya berasal dari air hujan. Luas daerah tangkapan hujan (catchment area) di pit tengah PT Waha…
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- xii, 41 hlm.; ilus.; 29 cm.
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- T626922022
EVALUASI GEOMETRI PELEDAKAN TERHADAP FRAGMENTASI HASIL PELEDAKAN LAPISAN OVER…
PT Bukit Asam Tbk conducts coal mining with one of the demolition activities carried out is the process of decomposing overburden or interburden material using drilling and blasting methods. This activity sometimes results in a discrepancy in the size of the fragmentation resulting from the explosion on the bucket capacity of the digging tool, thus affecting the productivity of the digging tool…
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- xi, 50 hlm,: ilus.; 29 cm
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- T556222021
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