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Journal : Journal of Chemical Engineering Research Progress

Enhancing Energy Efficiency in Methanol-to-DME Conversion through Process Modification and Heat Integration Salsabila, Salma; Saputri, Meirisa Ayu; Sirait, Jorsch Pieter Benhard; Kurniawan, Samuel; Amelia, Sera; Putra, Alvin Ananta
Journal of Chemical Engineering Research Progress 2025: JCERP, Volume 2 Issue 2 Year 2025 (December)
Publisher : UPT Laboratorium Terpadu, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/jcerp.20573

Abstract

Enhancing energy efficiency in dimethyl ether (DME) production is critical for reducing utility consumption and improving process sustainability. This study investigates the impact of targeted modifications to the methanol dehydration system on thermal performance and operational stability. The proposed configuration incorporates an expanded heat-integration network, additional feed-conditioning units, and a split-recycle arrangement to optimize energy recovery and maintain reactor stability. A water knock-out vessel and supplementary exchangers were also integrated to improve separation efficiency and reduce reboiler duty. Comparative process simulations were performed using with the NRTL thermodynamic model to evaluate the baseline and modified flowsheets. Results indicate that the optimized design achieves a 35.55% increase in energy efficiency while preserving the original methanol conversion level of 50.35%, confirming that reduced energy demand does not compromise reaction performance. These findings demonstrate that the proposed modifications provide a more energy-efficient and industrially viable configuration for DME production, offering a strong foundation for future optimization and process intensification strategies. Copyright © 2025 by Authors, Published by Universitas Diponegoro and BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
Co-Authors Abda Abda Abdillah, Muhammad Ilham Aditama, Tyaga Adni, Shofy Alifiyah, Netika Alvisina, Ilmiatuz Zahra Amelia, Adinda AMELIA, ELSA Amelia, Sera Anindya, Puan Anisa, Sarah Apriade Voutama Ardandi, Alif Aryani, Dea Resti Asmayani Salimi Athaya, Salsabila Aziz, Calista Sasikirana Finola Azwati, Neneng Sifa Bagaskara, Ragil Damar Baiquni, Fahmi Bambang Herlambang Irawan Nurraid Bila, Nadya Salsa Cahyani, Davina Clarissa, Clarissa Dedeh Dedeh, Dedeh Della Anggraini, Della Dewi, Marshanda Zanetti Kusuma Dhiya Urrahman Djamaluddin, Muhammad Ilham Durunnafis, Alyya Oktavia Dwi Ario Fajar Dyahruri Sanjayasari Dzaky Abdad, Muhammad Rafif Endang Tri Sulistyowati, Endang Tri Ernawiati, Eti Ero, Sisilia Theresia Yuliani Fani, Andifa Dwi Fatika, Zanna Rahma Febrianti, Neng Reza Finola Aziz, Calista Sasikirana Firena, Venna Firmansyah, Danu Firmansyah, Muhammad Nabil Fitria, Rezki Gaharani, Prodio Efa Ginting, Ranta Maulana Hanna Sundari Hasanah, Cindy Meliana Hery Kresnadi Hutabarat, Philipus Ibrahim, Muhammad Kholid Intan Karlina Istiqomah, Salma Nur Kartadikaria, Elisya Kartika Justia Dwiningrum Kartika, Engga Khaerani, Fitri Azlia Khoirinisa, Fitri Kurnia, Ateng Kurniati, Lili Kurniawan, Samuel Kusuma Dewi, Marshanda Zanetti Laila, Malikstul Lutfiyani, Mulki Mahendra, Dzulfiqar Faisa Malik, Aulia Ananda Mardisanutomo, Harsoning Tyas Margaretha, Argya MARSA MAYA ARJUNA Maulana, Haisyam Meidinda Ardiani Putri Muchtaridi Muchtaridi Muhammad Ridwan Ridwan, Muhammad Ridwan Muhammad, Belva Hawari Nazarani, Aisyah Aliya Ningrum, Devi Mei Noraeni, Enjelita Nouval, Moh. Javier Arifian Nuraeni, Alfi Nurami, Nadya Oktaviana, Rai Tri Paramita, Ursula Natasya Pradnya Pitaloka, Dian Ayu Eka Pranata, Rio Puji Astuti Pupung Faisal Putra, Alvin Ananta Putra, Rizka Andhika Putri, Inge Wiliandani Setya Putri, Noviana Pratama Putri, Valentina Yasmin Nursyah Rahardjo, Vandamme Muhammad Rahayu, Siti Mira Rahmawati, Febiana Rahmawati, Melinda Ramadhan, Muhamad Farhan Risma Apdeni Riszki Hidayat, Bagus Prasetyo Rusdin, Agus Sabarno, Nur Amalia Mardyani Salma Salsabila Salsabilla, Anissa Saputri, Meirisa Ayu Sari, Wilda Aprilia Mustika Savira Putri Rhaudah Sa’Diah, Siti Dhurrotus Setia Muljanto Setyowati, Lulu Alya Shaqil, Sulthan Arifin Sigit Prasetyo Singadimedja, Holyness N. Sirait, Jorsch Pieter Benhard Soewahju, Renata Bella Aprilana Solihati, Garin Pratiwi Subadriyah, Subadriyah Sukomo, Sukomo Supriadi, Rinaldi Suryanto, Rajwa Dwifauza Suwirta, Utti Suyanti, Natasya Sri Syabani, Fahmi Rahman tania, tania Toto Sugito Trie Damayanti Trisnoaji, Yuki Utama, Insan Aji Vauzcika, Aura Nur Wardoyo, Arik Aguk Wicaksana, Putra Adil Wiranti, Dinda Devina Putri Wulandari, Nurhaliza Tri Yukana Dewi, Anya Maya Yulianty Yulianty Zain, Dzaki