Luthfi, Muhammad (2023) Optimasi Penjadwalan Produksi Dengan Linear Programming Pada Proses Blending Untuk Meningkatkan Kemampuan Produksi Gasoline Series Di Kilang PT XYZ. Masters thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Kilang Unit PT XYZ adalah kilang ke-enam dari tujuh kilang yang dimiliki PT XYZ di Indonesia. Proses bisnis utama dari Kilang ini adalah memproses minyak bumi (crude oil) dan bahan baku intermedia menjadi produk gasoline (Pertalite, Pertamax, Pertamax Turbo), Bahan bakar Diesel Engine (Solar, Pertamina Dex sulphur max 50 ppm, Pertamina Dex sulphur max 10 ppm), Avtur (Jet A-1), Non-Bahan bakar minyak (NBBM) yaitu LPG dan Propylene, serta Decant Oil. Sebagai salah satu jenis produk di kilang, gasoline menyumbang porsi terbesar hingga 53% dari jumlah total produksi secara keseluruhan. Proses pengolahan minyak bumi hingga menjadi produk gasoline melalui beberapa tahapan dan proses, diantaranya adalah proses blending atau pencampuran. Proses blending mencakup penjadwalan produksi, penggunaan bahan baku, dan proses pengambilan dan analisa hasil produk. Penelitian ini bertujuan untuk menentukan jadwal produksi gasoline dengan mempertimbangkan kapasitas unit produksi, batasan peralatan, dan waktu yang dibutuhkan untuk analisa hasil produk blending. Penelitian ini terbagi atas 2 bagian utama, yaitu yang pertama menentukan komposisi blending produk gasoline untuk mendapatkan formulasi produk gasoline menggunakan bahan baku dengan biaya paling murah dengan metode linear programming. Kedua, menentukan jadwal produksi gasoline dengan metode simulasi penjadwalan produksi berbasis bahasa pemrograman Pyhton. Model yang telah didefinisikan, diuji validitas dan verifikasi nya menggunakan studi kasus perencanaan bulan Oktober 2022. Berdasarkan studi kasus tersebut, jumlah produksi pertalite yang dihasilkan dari simulasi sebesar 455.755 KL setara dengan 2.866,4 MB atau lebih tinggi 166,4 MB dari target yang direncanakan. Jumlah produk yang dapat dikirimkan adalah sebesar 450.400 KL setara dengan 2.832 MB, lebih besar 132 MB daripada target. Keuntungan yang diperoleh adalah sebesar 1.304 USD/Barrels setara dengan total keuntungan sebesar 3,521,739.20 USD. Hasil simulasi produksi dan penjadwalan pengiriman ini lebih baik dari hasil aktual di bulan Oktober 2022.
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PT XYZ's Unit Plant is the sixth of seven refineries owned by PT XYZ in Indonesia. The main business process of this refinery is processing crude oil and intermedia raw materials into gasoline products (Pertalite, Pertamax, Pertamax Turbo), Diesel Engine fuel (Solar, Pertamina Dex sulphur max 50 ppm, Pertamina Dex sulphur max 10 ppm), Avtur (Jet A-1), Non-Fuel oil (NBBM) namely LPG and Propylene, and Decant Oil. As one type of product in the refinery, gasoline accounts for the largest portion up to 53% of the total total production as a whole. The process of processing petroleum into gasoline products goes through several stages and processes, including the blending process. The blending process includes production scheduling, the use of raw materials, and the process of picking and analyzing product results. This study aims to determine the gasoline production schedule by considering the capacity of production units, equipment limitations, and the time needed for analysis of blending product results. This research is divided into 2 main parts, namely the first to determine the composition of gasoline product blending to obtain gasoline product formulations using raw materials at the lowest cost with the linear programming method. Second, determine the gasoline production schedule with the Python programming language-based production scheduling simulation method. The model has been defined, tested for validity and verification using the October 2022 planning case study. Based on the case study, the amount of pertalite production produced from the simulation of 455,755 KL is equivalent to 2,866.4 MB or 166.4 MB higher than the planned target. The number of products that can be delivered is 450,400 KL equivalent to 2,832 MB, 132 MB greater than the target. The profit of 1,304 USD/Barrels equals a total profit of 3,521,739.20 USD. The results of this production simulation and delivery scheduling are better than the actual results in October 2022
| Item Type: | Thesis (Masters) |
|---|---|
| Uncontrolled Keywords: | Pengolahan Minyak Bumi, Gasoline, Blending Gasoline, Penjadwalan Blending, Linear programming, Integer Programming |
| Subjects: | T Technology > T Technology (General) > T57.6 Operations research--Mathematics. Goal programming T Technology > T Technology (General) > T57.62 Simulation T Technology > T Technology (General) > T57.74 Linear programming T Technology > T Technology (General) > T57.83 Dynamic programming T Technology > T Technology (General) > T58.8 Productivity. Efficiency T Technology > TS Manufactures > TS157.5 Production scheduling |
| Divisions: | Interdisciplinary School of Management and Technology (SIMT) > 61101-Master of Technology Management (MMT) |
| Depositing User: | Muhammad Luthfi |
| Date Deposited: | 05 Aug 2023 13:06 |
| Last Modified: | 05 Aug 2023 13:06 |
| URI: | http://repository.its.ac.id/id/eprint/102883 |
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