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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 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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