Syahbana, Ali (2026) Analisis Perbandingan Kinerja Sistem Pengendalian Temperatur Top Kolom Debutanizer Menggunakan Kontrol Manual dan Auto Cascade Control. Tugas Akhir (S1) - thesis, Universitas Bakrie.
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Abstract
This study analyzes the comparative performance of the top temperature control system of a Debutanizer column using Manual/Semi-Auto control and Auto Cascade Control at PT X Refinery. The objective of this study is to analyze the relationship between Reflux Flow and Top Temperature, as well as the effect of Reflux Flow and Top Temperature on heavy hydrocarbon (C5+) content as an indicator of product quality. The study was conducted by comparing operational data from 2025 under Manual/Semi-Auto control conditions and data from 2026 after the implementation of Auto Cascade Control. Data analysis was performed using simple linear regression and multiple linear regression. The results showed that the relationship between Reflux Flow and Top Temperature under Manual/Semi-Auto control had an R² value of 0.0287, while under Auto Cascade Control, the R² value increased to 0.2569. The analysis of the relationship between Reflux Flow and Top Temperature with C5+ resulted in an R² value of 0.0099 with a Significance F value of 0.4141 under Manual/Semi-Auto control. Meanwhile, under Auto Cascade Control, the R² value increased to 0.3932 with a Significance F value of 2.2023 × 10⁻¹⁹. These results indicate that Auto Cascade Control provides a stronger control relationship than Manual/Semi-Auto control and demonstrates better performance in controlling the top temperature and its relationship with product quality. Keywords: Debutanizer, Top Temperature, Manual/Semi-Auto Control, Auto Cascade Control, Reflux Flow, C5+.
| Item Type: | Thesis (Tugas Akhir (S1) - ) |
|---|---|
| Uncontrolled Keywords: | Debutanizer, Top Temperature, Manual/Semi-Auto Control, Auto Cascade Control, Reflux Flow, C5+. |
| Subjects: | Industrial & Manufacturing Engineering > Industrial Instrumentation Industrial & Manufacturing Engineering Thesis > Thesis (S1) |
| Divisions: | Fakultas Teknik dan Ilmu Komputer > Program Studi Teknik Industri |
| Depositing User: | Ali Syahbana |
| Date Deposited: | 24 Sep 2026 06:29 |
| Last Modified: | 24 Sep 2026 06:29 |
| URI: | https://repository.bakrie.ac.id/id/eprint/15102 |
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