Crude Distillation Unit (CDU) Performance Analysis using Aspen Hysys
DOI:
https://doi.org/10.68115/reprokimia.v3i2.190Kata Kunci:
Aspen Hysys, Crude Distillation Unit, Jet Flooding, Minyak Mentah, Crude OilAbstrak
Kebutuhan energi di Indonesia akan energi terus meningkat seiring dengan peningkatan jumlah penduduk.
Optimalisasi proses pemisahan minyak mentah sangat dibutuhkan dalam kilang minyak saat ini karena tingginya
biaya energi dan persyaratan akan produk minyak berkualitas. Salah satu komponen penting di dalam kilang minyak
adalah Crude Distillation Unit (CDU) yang berfungsi sebagai tahap awal dalam pengolahan minyak. Penelitian ini
bertujuan untuk mengidentifikasi pengaruh dari variasi kondisi umpan terhadap kinerja unit dan menyusun
langkah-langkah pemecahan masalah (troubleshooting) yang ada pada CDU dengan menggunakan perangkat lunak
Aspen Hysys. Bahan baku yang digunakan dalam simulasi proses ini adalah campuran minyak mentah Vasconia,
Sapinhoa, dan Omelca. Proses analisis dan troubleshooting sistem proses di CDU telah dilakukan dan diperoleh
bahwa apabila tanpa penyesuaian kondisi operasi, maka akan muncul permasalahan operasi berupa peristiwa jet
flooding pada tray 15 Main Tower ketika kandungan Omelca pada umpan CDU lebih dari 50%-vol dan laju alir
umpan CDU lebih besar dari 112.000 bpd. Permasalahan jet flooding dapat diatasi dengan melakukan pengurangan
laju alir Main Steam, pengurangan laju alir AGO Steam, dan pengurangan rasio boil-up pada unit reboiler side stream
kerosin.
Referensi
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