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Novia Novia
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Evaluation of furnace performance in terms of thermal efficiency in the High Vacuum Unit Crude Distiller & Light Ends in the Oil Refinery Industry Fitri, Rizza Fadillah; Novia, Novia; Nadia, Nadia; Pratiwi, Amrina Dwi
Jurnal Inovasi Teknik Kimia Vol. 10 No. 3 (2025): July | INTEKA - Jurnal Inovasi Teknik Kimia
Publisher : Fakultas Teknik Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31942/inteka.v10i3.14325

Abstract

The main processes in an oil refinery are divided into primary processes (Crude Distillation Unit and Gas Plant) and secondary processes (HVU, RFCCU, and LEU), in which the HVU furnace heats the feed prior to vacuum distillation. Heat transfer within the furnace occurs via radiation and convection, with approximately 70% of the heat load absorbed in the radiant section and 30% in the convective section. The furnace performance evaluation was conducted by analyzing operational data from June 18 to July 17, 2025, using mass and energy balance methods. The calculation results indicate that the highest actual furnace efficiency was achieved on June 18, 2025, at 87.72%, exceeding the design efficiency of 85%. Variations in efficiency are influenced by several factors, including excess O₂ levels, fuel flow rate, final feed temperature, and the magnitude of heat loss in the flue gas. Significant heat losses can reduce furnace efficiency; therefore, routine maintenance is required, particularly on the Air Preheater (APH), to optimize the utilization of flue gas heat before it is released into the environment.
Co-Authors . Elvitriana . Ermanto Adrianto, Fajri Agustien , Anthoni Ahmad Nusi Al Muttaqii, Muhammad Alya Rahmaditya Arfan Amallia Putri Amelia, Ririn Andi Bungawati, Andi Anggriani, Ulfa Meila Anugrah Wati, Luki Anugrah, Muhammad Risky Aprianti, Tine Ardila, Ardila Arfan , Alya Rahmaditya ARINAFRIL ARINAFRIL Aryani, Mentari Dian Asep Eka Nugraha, Asep Eka Asri, Wan Ryan Azhari, Muhamad Thohir Bahagia Bahagia Bazlina Dawami Afrah Belinda, Michelle Daimun, Daimun David Bahrin Deasy Ovi Harsachatri Desven Hecca, Desven Dewirahmadanirwati, Dewirahmadanirwati Difa Intannia Erwiantono Fadila Harisi, Fitria Fahira, Nurul Savira Fahma Riyanti Fitri Hadiah Fitri, Rizza Fadillah Habibi , Alif Rahman Halida Hambali, Daimun Harisi, Fitria Fadila Harsachatri , Deasy Ovi Hasanudin Hasanudin Havid Ardi Hermansyah Hermansyah Herningtyas Nautika Lingga Huwaidah, Wulan Ariqah Idris Idris Ira Geraldina Kasmiarti, Getari Larasati , Julia Veronika Lestari, Ade Ayu Lia Milana, Lia Lovelytan, Fidelia Lutfin, Nursamsilis Maryana, Roni Mas'ud Muhammadiah Maulin Wiraningsih, Maulin Melwita, Elda Mifthahul Jannah Mifthahul Jannah Muhammad Faisal Muhammad Faizal Muhammad Khairul MUHAMMAD SAID Mulyadi, Akbar Nadia Nadia Nakashima, Mhika Napiah Nasution, Ali Nino Rinaldi Nuraina, Nuraina Nurhayati Nurhayati Nurlaili , Nurlaili Nurlaili Nurlaili Nurul Fajri Saminan, Nurul Fajri Nusi , Ahmad Pangestika , Yuliandini Permatasari, Rindah Poedji Loekitowati Hariani Pramita Sylvia Dewi Prastyawan, Riyani Pratiwi, Amrina Dwi Pratiwi, Astrid Siska Putri, Riska Dwi Putri, Tiara Maharani Ramona Qoriah Saleha Radjagukguk, Djudjur Luciana Rahmat, Karel Gusmin Rahmawati, Rahmawati Raihan, Abiyandra Radika rendana, muhammad Rida, Cut Nova Rosnilawati Rosnilawati Samara, Faras Saskia Saputri, Jasmine Fadhilah Delli Selpiana, Selpiana Septa Liana Shailendra, Faris Habib Shean, Rizqi Akbar Sonia Sonia, Sonia Suhartina Suhartina, Suhartina Suhendrayatna Suhendrayatna Supangadi, Egita Riyanti Supriyadi Supriyadi Susi Susanti Syafi’i, Syafi’i TATI NURHAYATI Trezenki, Randa Tuti Indah Sari, Tuti Indah Uli Sitanggang, Cesilia Sondang Wijaya, Ali Satria Wirawan, Fandi Surya Yazila, Syukran Yuhelna . Yulandari, Septya Yumi Lindawati Yunia Wardi Yuniarti, Hafizhah Yunisrul Yunisrul z, rohantizani Zuardi, Zuardi