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Agus Winarno, Agus
Sistem Informasi Fakultas Ilmu Komputer Universitas Dian Nuswantoro
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Journal : Journal Transformation of Mandalika

 1 
EVALUASI COAL RECOVERY PADA KEGIATAN PENAMBANGAN DARI PIT A MENUJU STOCKPILE DI PT. X (EVALUATION OF COAL RECOVERY IN MINING ACTIVITIES FROM PIT A TO STOCKPILE AT PT. X) Azzahra, Siti Maghfirah; Hasan, Harjuni; Oktaviani, Revia; Winarno, Agus; Respati, Lucia Litha
Journal Transformation of Mandalika, e-ISSN: 2745-5882, p-ISSN: 2962-2956 Vol. 3 No. 4 (2022): April
Publisher : Institut Penelitian dan Pengembangan Mandalika Indonesia (IP2MI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/jtm.v3i4.1138

Abstract

Several coal companies apply a minimum target of coal recovery. Coal recovery is a comparison between the actual tonnage of coal production based on the data from the weighbridge and the coal tonnage as a result of survey measurements expressed as a percentage. The greater the coal recovery more effective the coal was mined. Loss of coal during the mining process was unavoidable. However, if the cause is known in detail, the amount of loss can be minimized by making efforts to repair the existing causes and can increase the value of coal recovery and the utilization of coal reserves owned by the company. There are 30 coal mining data. 19 of them still had a coal recovery below 96% with a total tonnage loss of 1.485,97 tonnes. There are 6 activity criteria that cause coal recovery, including the coal getting less than optimal and still leaves coal on front which accounts for 47,45% of the total loss, coal used as road coating accounts for 5,67%, survey measurement data is less representative the appearance of coal shapes accounted for 2,48%, errors naming on coal haulage coupons accounted for 9,77%, waterlogged fronts accounted for 29,64%, and recleaning accounted for 5,01% of the total tonnage loss.
RENCANA PENAMBANGAN BATUBARA TRIWULAN PADA CV. KUTAI KUMALA ENERGY KECAMATAN LOA KULU, KABUPATEN KUTAI KARTANEGARA, PROVINSI KALIMANTAN TIMUR : QUARTERLY COAL MINING PLAN AT CV. KUTAI KUMALA ENERGY LOA KULU DISTRICT, KUTAI KARTANEGARA REGENCY, EAST KALIMAN Zwageri, Rizky; Devy, Shalaho Dina; Nugroho, Windhu; Winarno, Agus; Magdalena, Henny
Journal Transformation of Mandalika, e-ISSN: 2745-5882, p-ISSN: 2962-2956 Vol. 3 No. 5 (2022): Mei
Publisher : Institut Penelitian dan Pengembangan Mandalika Indonesia (IP2MI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/jtm.v3i5.1182

Abstract

Mining design is part of the planning stages of mining as a very important factor is determined before the actual mining plan begins. CV. Kutai Kumala Energy is a company engaged in coal mining which has a Mining Business License located in Loa Kulu District, Kutai Kartanegara Regency, East Kalimantan Province. On CV. Kutai Kumala Energy pit BC was calculated with the aim of meeting the overburden of 5,095,565.38 BCM and the coal stripping target of 673,541.31 MT. In determining production targets for 1 year and in accordance with the capabilities of the tools at the research location.
Co-Authors -, Suharnawi Acun Kardianawati Adi Wibowo Afif, Rizal Naufal Afrellint, Venansius Ajib Susanto Anak Agung Gede Sugianthara Ardhiansyah, Maulana Arta Moro Sundjaja, Arta Moro Astuti, Yani Parti Azzahra, Siti Maghfirah Bandaso, Surya Budi Warsito Cahyani, Nurfadila Candra Irawan D, Ishak Bintang Darmawan, Aditya Aqil Daruis, Rabin Devi, Shalaho Dina Devy, Shalaho Dina Dina Devi, Shalaho Dina Devy, Shalaho Dwi Ermawati Rahayu Edi Faisal Edi Sugiarto Fahmi Amiq Fikri Budiman Hanny Haryanto Harjuni Hasan Hasan , Harjuni Henny Magdalena Indra Gamayanto Jamayam Rifani, Arizaldi Junta Zeniarja Juvensius Pontus, Albert Juvensius Pontus, Albertus Kasbillah, Kasbillah Kusnanto, Fransiska Angelina Lalang Erawan Lhita Respati, Lucia Litha Respati, Lucia Megasari, Anis Laela Meicahayanti, Ika Mukmin, Abdul Rijal Muslih Muslih Mutiara Eli Muzthohidun, Muhammad Nanik Prihartanti Novi Hendriyanto, Novi Nugroh, Windhu Nugroho, Windhu Permadi, Singgih Pontus, Albertus Juvensius Pulung Nurtantio Andono Putri, Agita Kendari Respati, Lucia Litha Revia Oktaviani Ricardus Anggi Pramunendar Rini Marlina, Rini Riskianto, Achmad Riyan Pradika, Muhamad Sasono Wibowo Satriana Aulia, Andi sebayang, Anakta Hartanta Sendi Novianto Shalizam, Shalizam Sirait, Tamsir Hasudungan Sitepu, Anysa Ariel Situmorang, Ardo P Stefanny Malenge, Marieke Sudarja Suharnawi Suharnawi Sukamta Sukamta Trides, Tommy Udin Zaelani, Achmad Warman, Neni Widiastuti, Masayu Yolanda, Agnes Yudi Sukmono, Yudi Yufita, Zaenul Zaenal Arifin Zakaria, Hadi Zami, Farrikh Al Zwageri, Rizky