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All Journal Reaktor Jurnal Reka Lingkungan JPM17: Jurnal Pengabdian Masyarakat Jurnal IPTEK Jurnal Rekayasa Sipil dan Lingkungan JURNAL KESEHATAN LINGKUNGAN: Jurnal dan Aplikasi Teknik Kesehatan Lingkungan Prosiding Seminar Nasional Sains dan Teknologi Terapan Jurnal GEOSAPTA KURVATEK Prosiding Seminar Teknologi Kebumian dan Kelautan (SEMITAN Journal of Metallurgical Engineering and Processing Technology Dinamika Lingkungan Indonesia Prosiding Seminar Nasional Teknologi Industri Berkelanjutan Makara Journal of Science Journal of Industrial Process and Chemical Engineering (JOICHE) KOPEMAS
Kusdarini, Esthi
Institut Teknologi Adhi Tama Surabaya
Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Transportation

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Journal : KURVATEK

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OPTIMALISASI PROSES BLENDING BATUBARA UNTUK MEMENUHI PERMINTAAN PLTU SURALAYA DENGAN MARKET BRAND BA-48 PADA PT. BUKIT ASAM Tbk. Yudho Dwi Galih Cahyono; Firmansyah; Esthi Kusdarini
KURVATEK Vol 8 No 1 (2023): Energy Management and Sustainable Environment
Publisher : Institut Teknologi Nasional Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33579/krvtk.v8i1.4009

Abstract

PT. Bukit Asam memiliki kualitas batubara yang berbeda-beda mulai dari kalori 4001 – 7001 kkal/kg. Konsumen PT Bukit Asam yaitu PLTU Suralaya dengan permintaan market brand BA 48 dan parameter yang diminta total moisture 30%, Ash 8%, total sulfur 0,8%, dan kalori 4800 kkal/kg. Agar hasil blending yang diiginkan optimal maka akan dilakukan pengoptimalan menggunakan perhitungan metode simpleks dengan bantuan aplikasi Pom-Qm for windows V3. Tujuan dari penelitian ini yaitu menemukan persentase pencampuran batubara hasil blending dengan metode simplek sesuai kontrak permintaan konsumen serta merekomendasikan proporsi yang optimal untuk dilakukan blending. Metodologi penelitian yang digunakan yaitu kualitatif dan kuantitatif. Dari hasil yang didapatkan presentase yang dibutuhkan untuk memenuhi permintaan PLTU Suralaya yaitu menggunakan mine brand MT 47 dan AL 53 dengan persentase 49% MT 47 : 51% AL 53. Hasil kualitas batubara total moisture 29,99%, abu 3,09%, sulfur 0,57%, dan kalori 4817 kkal/kg hasil ini memenuhi permintaan PLTU Suralaya.
OPTIMIZATION OF THE PERFORMANCE OF THE SANDSTONE CRUSHING PLANT UNIT AT PT PULAU LEMON Kusdarini, Esthi; Ayunida Sasti, Sylvesiana; Shinthya Sari, Avellyn
KURVATEK Vol 9 No 1 (2024): Energy Management and Sustainable Environment
Publisher : Institut Teknologi Nasional Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33579/krvtk.v9i1.4899

Abstract

The process of processing sandstone material at the PT Pulau Lemon crushing unit is not yet optimal. This is due to differences in the amount of material entering and leaving the crushing unit. To optimize the performance of the processing unit, it is necessary to conduct research on the causes of material loss. Furthermore, the research aims to: 1) calculate material loss; 2) assess the causes of material loss and determine efforts to minimize material loss. The research was carried out using mathematical calculations using mass balance equations for material entering and leaving the processing unit, field observations and interviews. The research results showed that the amount of incoming material was 16.66 tons/day and outgoing material was 14.85 tons/day, so the material lost was 1.81 tons/day. or 10.80%. Material loss is caused by the slope of the conveyor belt being less than gentle and some parts being torn, wind, rain and mechanical problems. Efforts to optimize the performance of processing units include reducing waiting times, regularly checking and repairing equipment, and installing roofs.
Co-Authors ABD. MALIK Abubakar Tuhuloula Achmad Maulidan Syahrie Adjie, Dwi Poetranto Waloejo Afrianti, Risa Agus Budianto Agus Budianto Angga Kusuma Wijaya Atawolo, Yuliano Atiyatussa'adah, Eva Avellyn Shinthya Sari Ayuni Rita Sari Ayunida Sasti, Sylvesiana Bagas Brillyant Umara Putra Bagus Dwi Susanto Bahar, Hendra Budiarto Budiarto Budiarto Budiarto Casimiro Orleans Martins Denis Rocky Pradana Desyana Ghafarunnisa Dwi Poetranto Waloejo Adjie Eka Nurohman Hadi Prasetyono Eka Rizky Ramadhani Erlinda Ningsih Erna Abinoam Kudmasa Febriyandi, Daniel Firdaus, Izza Achmad Firmansyah Fitri Nurmala Sade Flaminggo Gingga Freeda Inggrit Ulviandri Gingga, Flaminggo Hendro Nugroho Kudmasa, Erna Abinoam Kusuma Puti, Ratih Hardini Lakon Utamakno Mabuat, Imelda Srilestari Maritha Nilam Kusuma Nurul Lailatul Mahmudah Ongko Priambo Prasetyono, Eka Nurohman Hadi Priambo, Ongko Putra, Daniel Aries Putra, Resky Tri Putri, Fairus Atika Redanto Ratih Hardini Kusuma Puti Ratih Hardini Kusuma Putri Ratih Hardini Kusuma Putri Resky Tri Putra Sade, Fitri Nurmala Saleky, Dewy Belavista Salman Salman Sapto Heru Yuwanto Saputro, Alvito Nugroho Simone Morison Brilton Castelo Lay Umara Putra, Bagas Brillyant Utamakno, Lakon Yohana Winda Monica Yopianus, Benyamin Yudho Dwi Galih Cahyono