Pemodelan Sistem Penangkap Debu pada Pabrik Phonska Reaksi III PT Petrokimia Gresik menggunakan Computational Fluid Dynamics

Anggara, Muhamad Danang Tesna (2026) Pemodelan Sistem Penangkap Debu pada Pabrik Phonska Reaksi III PT Petrokimia Gresik menggunakan Computational Fluid Dynamics. Masters thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Sektor pertanian Indonesia menghadapi tantangan pemenuhan kebutuhan pupuk nasional, sementara proses produksi pupuk NPK menghasilkan debu yang dapat menyebabkan kehilangan material, menurunkan kualitas produk, dan meningkatkan risiko kesehatan pekerja. Penelitian ini bertujuan mengevaluasi dan mengoptimalkan kinerja Sistem Siklon Dryer Pabrik Phonska Reaksi III PT Petrokimia Gresik menggunakan Computational Fluid Dynamics (CFD) dengan pendekatan CFD–DPM dan CFD–DEM. Validasi model terhadap data operasi pabrik menghasilkan galat sebesar 11,43% pada kecepatan inlet, 2,11 % pada penurunan tekanan dan 4,35% pada efisiensi penangkapan debu. Pada partikel 10–15 µm, DPM dan DEM menghasilkan efisiensi masing-masing 70,73% dan 72,82%, dengan perbedaan relatif 2,87%, sehingga DPM digunakan untuk studi parametrik. Peningkatan tekanan hisap outlet dari −2000 hingga −4000 Pa meningkatkan efisiensi dari 64,22% menjadi 82,44%, namun meningkatkan pressure drop dari 1704 menjadi 3416 Pa. Peningkatan radius vortex finder dari 600 menjadi 800 mm meningkatkan efisiensi dari 74,77% menjadi 85,27% sekaligus menurunkan pressure drop, sedangkan tinggi terbaik diperoleh pada 1500 mm dengan efisiensi 78,08%. Konfigurasi eksisting menghasilkan efisiensi 78,08%, lebih tinggi dibandingkan konfigurasi alternatif sebesar 69,25%. Hasil penelitian menunjukkan bahwa optimasi kondisi operasi, geometri vortex finder, dan konfigurasi aliran mampu meningkatkan kinerja sistem penangkapan debu pada pabrik NPK.
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Indonesia’s agricultural sector faces challenges in meeting the national demand for fertilizers, while NPK fertilizer production generates dust that cause material losses, reduce quality, and increase health risks. This study aims to evaluate and optimize the performance of the Dryer Cyclone System at the Phonska Reaction III Plant of PT Petrokimia Gresik using Computational Fluid Dynamics (CFD) with CFD–DPM and CFD–DEM approaches. Model validation against plant operating data resulted in errors of 11.43% for inlet velocity, 2.11% for pressure drop, and 4.35% for dust collection efficiency. For particles in the 10–15 µm size range, DPM and DEM predicted collection efficiencies of 70.73% and 72.82%, respectively, with a relative difference of 2.87%; therefore, DPM was selected for the parametric study. Increasing the outlet suction pressure from −2000 to −4000 Pa improved the collection efficiency from 64.22% to 82.44%, but also increased the pressure drop from 1704 to 3416 Pa. Increasing the vortex finder radius from 600 to 800 mm increased the collection efficiency from 74.77% to 85.27% while reducing the pressure drop, whereas the best vortex finder height was obtained at 1500 mm, with a collection efficiency of 78.08%. The existing cyclone configuration achieved a collection efficiency of 78.08%, which was higher than the 69.25% obtained with the alternative configuration. Overall, the results demonstrate that optimizing operating conditions, vortex finder geometry, and flow configuration can improve the performance of the dust collection system in an NPK fertilizer plant.

Item Type:	Thesis (Masters)
Uncontrolled Keywords:	Pemodelan, Sistem Penangkap Debu, Computational Fluid Dynamics, Pabrik Phonska Reaksi, Efisiensi. CFD, CFD–DPM, Discrete Phase Model, Dust Collection, Cyclone Separator, Cyclone System, NPK Fertilizer Plant, Dedusting System
Subjects:	T Technology > TP Chemical technology > TP155.5 Chemical plants--Design and construction
Divisions:	Faculty of Industrial Technology and Systems Engineering (INDSYS) > Chemical Engineering > 24101-(S2) Master Thesis
Depositing User:	Muhamad Danang Tesna Anggara
Date Deposited:	03 Aug 2026 02:32
Last Modified:	03 Aug 2026 02:32
URI:	http://repository.its.ac.id/id/eprint/141831

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