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Journal : ASEAN Journal of Chemical Engineering

Extractive Distillation of Ethanol/Water with 1-Butyl-3-Methylimidazolium Bromide Ionic Liquid as a Separating Agent: Process Simulation Hartanto, Dhoni; Handayani, Prima Astuti; Astuti, Widi; Kusumaningtyas, Ratna Dewi; Purwana, Yulian Candra; Maftukhaturrizqiyah, Maftukhaturrizqiyah; Wijayanti, Reni Titis; Wulansari, Durroti Zuhriah; Wulansarie, Ria; Pradnya, Irene Nindita; Hadikawuryan, Danang Subarkah; Wibowo, Agung Ari; Sholihin, Riza Mazidu; Chafidz, Achmad; Khoiroh, Ianatul
ASEAN Journal of Chemical Engineering Vol 23, No 3 (2023)
Publisher : Department of Chemical Engineering, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ajche.72250

Abstract

Ethanol purification has become of great interest recently because ethanol can be used as renewable energy, solvent in many industries, and for medicinal purposes. The separation of ethanol from water is challenging because the azeotropic point has appeared in this binary mixture. Extractive distillation technology is one of the most interesting methods to separate ethanol from water due to the competitiveness of its energy consumption and capital investment costs. Ionic liquids such as 1-butyl-3-methylimidazolium bromide [BMIM] [Br], categorized as a green solvent, produce a significant salting-out effect in the ethanol-water system. This makes ionic liquid a promising solvent in ethanol-water separation. This study simulated the extractive distillation of an ethanol-water system with 1-butyl-3-methylimidazolium bromide as a solvent. The simulation and sensitivity analysis were performed on the Aspen Plus Process Simulator to obtain the optimum configuration. The NRTL thermodynamic model was used in this study. The effects of the number of stages (NS), binary feed stage (BFS), entrainer feed stage (EFS), and reflux ratio (RR) on the ethanol concentration with minimum energy requirements were studied. The most optimal configurations to produce a high ethanol concentration with less energy are NS 28, BFS 22, EFS 4, and RR 1.5.
Co-Authors Agung Ari Wibowo Alfa Faridh Suni Amelia Fitri Ardhiansyah, Hanif Astri, Mutiara Sandina Bahlawan, Zuhriyan Ash Shiddieqy Bayu Triwibowo Bayu Wiratama, Bayu Bimarhamah, Anin Budi Sunarko Chafidz, Achmad Dewi, Dira Fitria Dhoni Hartanto Diana, Savira Rahma Dino Alfian, Rangga Diyah Ayu Utami, Kiki Diyanti, Eka Djuniadi Djuniadi Dyah Nabila Yulianto Fandika, Putri Maharani Adinda Fauzan Amrulloh Fithriyah, Elvina Belva Hadikawuryan, Danang Subarkah Hardi Suyitno Heni Pujiastuti Hibatullah, Ridwan Dani Husaen, Paisal Ichwan, Rizky Iffat Ganjar Fadhila Prakasita Imani, Nadya Alfa Cahaya Imanullah, Kautsar Taqi Irene Nindita Pradnya Isna Pratiwi Izza Arinanda, Miftakhul Khoiroh, Ianatul Kriswanto Kriswanto Kriswanto Kriswanto, Kriswanto Maftukhaturrizqiyah, Maftukhaturrizqiyah Maharani Kusumaningrum Maksiola, Masni Maulida Zakia Miftakhul Izza Arinanda Muhammad Fajrul Rohman Munadhiroh, Hidayatul Nabila, Hasna Rifqi Nada, Athiya Rihadatul ‘Aisy Qothrun Nanggala, Pragusti Lintang Adhi Nanik Wijayati Nina Farliana Nuroddin, Handrian Permanadewi, Indrasukma Pradnya, Irene Nindita Prakasita, Iffat Ganjar Fadhila Pramesti, Amadea Vaskallya Pramitha, Deva Aurelya Pratama, Muhammad Herdi Prima Astuti Handayani Purwana, Yulian Candra Rahmah, Ladunia Rahmalia, Berliana Putri Ratna Dewi Kusumaningtyas Ridwan Dani Hibatullah Riza Mazidu Sholihin Rusiyanto Rusiyanto Rusiyanto, Rusiyanto S. Bismo Sadan, Serlia Fitri Salsabila, Cindy Aulia Salsabila, Luvena Sawiji, Kurnia Ayu Setiadi, Jesicca Ananty Nurul Sulistyawan, Vera Noviana Suwandi, Luluk Arvi Cahyaning Syahputra, Adhika Bintang Syamsul Rijal Tunggul Pawenang, Eram Tunggul Pawenang, Eram Ulfayanti, Isna Mardya Wara Dyah Pita Rengga Wati, Afifah Sagita Fitria Widi Astuti Wijaya, Anggit Wijayanti, Reni Titis Wijayatim, Nanik Wulansari, Durroti Zuhriah Yoga Agung Prabowo Zhafira Yasmin