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Journal of Chemical Engineering Research Progress
Published by Universitas Diponegoro
ISSN : -     EISSN : 30327059     DOI : https://doi.org/10.9767/jcerp
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Energy Engineering Materials Science & Nanotechnology
The Journal of Chemical Engineering Research Progress (e-ISSN: 3032-7059; Short Abbreviation Title: J. Chem. Eng. Res. Prog.) is an international research journal and invites contributions of original and novel fundamental research. The JCERP journal aims to provide an international forum for the presentation of original fundamental research, interpretative reviews and discussion of new developments in chemical engineering discipline. Papers which describe novel theory and its application to practice are welcome, as are those which illustrate the transfer of techniques from other disciplines, including: fundamentals of chemical engineering; advanced materials related to chemical engineering; applied/industrial chemistry; chemical reaction engineering kinetics; chemical reactor design and optimization; chemical engineering process design and computation; etc. related to chemical engineering discipline.
Arjuna Subject : Teknik Kimia (semua kategori) - Kimia Proses dan Teknologi
Articles 59 Documents
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Energy Optimization of Dimethyl Ether (DME) Production Process from Methanol Dehydration Ghoffaru, Al Fath; Grasia, Jovian Luxioctafiano; Wijaya, Athallah Akmal; Ramadhan, Narendra Dzaki; Saputro, Andre Nur; Maharani, Anggistia
Journal of Chemical Engineering Research Progress 2024: JCERP, Volume 1 Issue 2 Year 2024 (December 2024)
Publisher : UPT Laboratorium Terpadu, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/jcerp.20269

Abstract

The increasing demand for sustainable and clean alternative fuels has driven the focus on dimethyl ether (DME), an environmentally friendly and non-toxic chemical with high potential as a fuel and industrial solvent. DME can be produced from various raw materials such as natural gas, methanol, biomass, and coal. This study investigates the optimization of DME production from methanol dehydration using a fixed-bed plug flow reactor and γ-Al₂O₃ catalyst, emphasizing energy efficiency improvements. Modifications were implemented in the Aspen HYSYS simulation by replacing the conventional heater with heat exchanger and utilizing heat generated during cooling process for another heating process. The results demonstrated a significant reduction 65.8 % in net energy consumption from 8.54×106 kJ/h to 2.92×106 kJ/h, validating the effectiveness of these modifications by leveraging Aspen HYSYS simulations, the proposed design achieved high process efficiency while maintaining the target DME purity of 99.95 % produced. This research highlights the potential of heat integration strategies to enhance the economic and environmental performance of DME production processes. Copyright © 2024 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).
Improving Yield Conversion with Triple Conversion Reactor for Styrene Production from Ethylbenzene Hutajulu, Febi Tia Maria; Vito, Ahista Aushafa; Fakhira, Fara; Izzati, Dzikrina Sekar
Journal of Chemical Engineering Research Progress 2025: JCERP, Volume 2 Issue 1 Year 2025 (June 2025)
Publisher : UPT Laboratorium Terpadu, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/jcerp.20312

Abstract

Styrene is a critical component in various polymer-based materials, with increasing global demand. Its production primarily involves the catalytic dehydrogenation of ethylbenzene, a process requiring high temperatures and facing challenges like by-product formation. This research aims to enhance the yield conversion of styrene using a triple conversion reactor system. The methodology employs Aspen HYSYS simulation, with thermodynamic considerations guiding the reactor designs and operating conditions. Results indicate that implementing three reactors increased the conversion rate from 96% to 99.9% and achieved 99.5% styrene purity. The study concludes that process optimization significantly improves the efficiency and scalability of industrial styrene production. 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).
Improving Energy Efficiency with Energy Recovery for Propylene Production Hurairah, Andi Nadhif Athallah; Arkajaya, Danu Pasa; Ramadhani, Tenisyah; Fahrezi, Virgi Achmad
Journal of Chemical Engineering Research Progress 2024: JCERP, Volume 1 Issue 2 Year 2024 (December 2024)
Publisher : UPT Laboratorium Terpadu, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/jcerp.20300

Abstract

Propylene production through the metathesis of 2-butene is a well-established method. However, energy efficiency in this process remains an area of improvement. This study focuses on optimizing energy consumption by integrating heat recovery and reducing the reliance on external energy sources. Simulations were conducted using Aspen HYSYS V11 to compare the basic and modified processes. Modifications included utilizing heat from condensers and coolers to power compressors and heaters, eliminating redundant heating units. Thermodynamic analyses confirmed the endothermic nature of the reactions. Results indicated a significant reduction in total heat flow, from 2.983×108 kJ/h to 1.564×108 kJ/h, leading to improved specific energy consumption. With a production capacity of 15,400 tons/year, the optimized process demonstrated enhanced energy efficiency and sustainability. This study highlights the potential of process modifications to achieve energy savings, lower production costs, and minimize environmental impact in the chemical industry. Copyright © 2024 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).
Optimizing Maleic Anhydride Production from Benzene's Cost by Preheating Inlet Air in Fired Heater and Modifying Distillation Column Operating Condition Rongkang, Cornellius Powellnandus; Putri, Inayah S.; Kartawidjaja, Jason H.; Lestari, Putri Dwi A.
Journal of Chemical Engineering Research Progress 2024: JCERP, Volume 1 Issue 2 Year 2024 (December 2024)
Publisher : UPT Laboratorium Terpadu, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/jcerp.20283

Abstract

The need for materials with superior properties from two different ingredients has recently attracted industries. Maleic anhydride or C4H2O3 is an intermediate product often used to mix materials with distinct characteristics. One way to produce maleic anhydride is by reacting benzene and air. Unfortunately, the production of maleic anhydride is classified as energy-consuming due to the plant equipment used such as fired heaters and distillation columns for the production. In this process modification, optimization is carried out on the fired heater by using the residual heat from combustion as an energy source for the preheating of incoming air. In addition, optimization was also carried out on the distillation column by changing the operating variables, especially the reflux ratio and column temperature.  Simulations were carried out using Aspen HYSYS V11 and comparisons were made between the energy required and the profit obtained from the original process to the modified process. The simulation results showed a reduction in energy cost by 0.771% on the fired heater and an increase in profit by 47.47% on the distillation column. Therefore, this modification reduces the energy cost while maximizing the profit made from maleic anhydride production using benzene and air. Copyright © 2024 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).
Total Net Energy Assessment for Rule-of-Thumb Applications in Multicomponent Distillation Separation Strategy Istadi, Istadi; Riyanto, Teguh
Journal of Chemical Engineering Research Progress 2025: JCERP, Volume 2 Issue 1 Year 2025 (June 2025)
Publisher : UPT Laboratorium Terpadu, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/jcerp.20402

Abstract

Energy saving in separation systems, particularly in distillation systems, is a research field that has attracted considerable innovative approaches. A distillation system is an essential separation process, yet it is inefficient in using thermal energy, and may operate with adverse environmental impact as it discharges a large amount of thermal energy into the environment. In this work, several Sequences Designs of Distillation Column Network are proposed to be compared with respect to Total Net Energy of each sequence design. Applying the Rule of Thumb of Distillation Strategy for separating multicomponent mixtures is important by performing the easiest separation first (largest relative volatility), that is, the one least demanding of trays and reflux, and leaving the most difficult to the last. From all sequence designs results, Sequence-A shows the lowest Total Net Energy (9,750,720.88 kJ/h), because the Sequence-A follows the strategy/procedure for separation of multicomponent using distillation column network. Decreasing the relative volatility affects on increasing number of tray and recycle ratio required for distillation process and decreasing the Net Energy. 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).
Improving Glycerol Conversion by Implementing Recycle Streams and Reducing Distillation Steps in Glycerol Carbonate Production Wilujeng, Dinanti Putrisia; Kollelsy, Kezia; Prathista, Distaria Puja; Dwitasari, Sofiana
Journal of Chemical Engineering Research Progress 2025: JCERP, Volume 2 Issue 2 Year 2025 December 2025 (Issue in Progress)
Publisher : UPT Laboratorium Terpadu, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/jcerp.20415

Abstract

The rising surplus of glycerol from biodiesel production drives the need for its valorization into high-value compounds such as glycerol carbonate (GC). This study proposes a process intensification strategy to enhance glycerol conversion efficiency through transesterification with dimethyl carbonate (DMC). The modification involves incorporating a recycle stream for unreacted DMC and reducing one distillation column to minimize energy consumption and thermal degradation. Simulations were conducted using Aspen HYSYS® v11, modeling a CSTR operating at 95 °C and 1 atm with a DMC:glycerol molar ratio of 3:1. Process modification resulted in complete DMC utilization and a shift in separation strategy, with simulated glycerol conversion increasing from 91% to 99.98%. These findings demonstrate the trade-offs between energy efficiency and conversion performance in process redesign, offering valuable insights into more sustainable GC production. 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).
Improving Energy and Economic Efficiency in Dimethyl Ether Production through Heat Duty Reduction in a Two-Stage Methanol Dehydration Process Nurdin, Faza Ryviansyah; Annisafitri, Hasnaa; Hasian, Jonathan; Muzaki, Risyad Prasetya; Towidjojo, Shafa Noviandrea
Journal of Chemical Engineering Research Progress 2025: JCERP, Volume 2 Issue 1 Year 2025 (June 2025)
Publisher : UPT Laboratorium Terpadu, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/jcerp.20423

Abstract

This study investigates the optimization of a two-step dimethyl ether (DME) production process via methanol dehydration, with a focus on enhancing thermal and economic performance through strategic heat integration. A modified configuration was developed by redirecting residual heat from coolers to pump inlets and transferring thermal energy from the condenser of the secondary distillation column to the reboiler of the primary column. These internal heat recovery strategies significantly reduced external utility demand without compromising product purity or plant throughput. Simulation results demonstrate a reduction in total energy consumption from 4,466,363.8 kJ/h to 3,211,110 kJ/h, equivalent to a 31.03% decrease in thermal energy requirement. In parallel, the annual utility cost was reduced by 58.15%, and the annual operating cost decreased by 12.77%, yielding total savings of $407,304 per year. Importantly, the modified process maintained a DME purity exceeding 99% and preserved the original production capacity of 50,000 tons per year, confirming the feasibility of these improvements without compromising performance targets. Overall, the proposed retrofit offers a more energy-efficient and cost-effective pathway for industrial-scale DME production, serving as a model for sustainable process design in energy-intensive chemical systems. 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).
Optimization and Modification of the Hydrogen Peroxide to Propylene Oxide (HPPO) Process Pratama, Fikri Wisnu; Fadhlan, Zaidan; Purnamadjati, Thariq Abrar; Adjie, Wisnu Satrio
Journal of Chemical Engineering Research Progress 2025: JCERP, Volume 2 Issue 2 Year 2025 December 2025 (Issue in Progress)
Publisher : UPT Laboratorium Terpadu, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/jcerp.20419

Abstract

The production of Propylene Oxide (PO) through the Hydrogen Peroxide to Propylene Oxide (HPPO) process represents a cleaner and more efficient route compared to conventional methods. This project focuses on the design and feasibility of a chemical plant with an annual capacity of 10,000 tons of PO using propylene and hydrogen peroxide as feedstocks. The HPPO process, catalyzed by a titanium silicate (TS-1) catalyst, offers significant environmental and economic advantages, such as reduced by-products and lower energy consumption. The core reaction occurs in a convergent reactor under mild operating conditions, producing PO with water as the only by-product, thus minimizing environmental impact. This study focuses on process intensification and optimization of the Hydrogen Peroxide to Propylene Oxide (HPPO) process, with the goal of improving energy efficiency, enhancing mass utilization, optimizing reactor operating conditions, and minimizing waste generation through targeted process modifications. The results demonstrate that the HPPO process is a sustainable and economically viable option for small to medium-scale PO production, aligning with green chemistry principles and industrial scalability. 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).
Enhancing Ethyl Oleate Purity and Energy Efficiency in the Biodiesel Production Process Through Distillation Design Modifications Rizki, Miftahul; Gabriaty, Luna; Rosyda, Nada Fauzi; Kusuma, Taruna Hadi
Journal of Chemical Engineering Research Progress 2025: JCERP, Volume 2 Issue 1 Year 2025 (June 2025)
Publisher : UPT Laboratorium Terpadu, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/jcerp.20414

Abstract

The growing demand for renewable energy sources has driven research into more efficient biodiesel production methods. This study focuses on enhancing the purity and energy efficiency of ethyl oleate in biodiesel production through the transesterification of triolein using ethanol and sodium hydroxide. Two process designs were compared: a base process and a modified process incorporating the removal of the initial mixer, adjustment of distillation flow rates, and addition of a second distillation column. The modified process resulted in a higher ethyl oleate purity of 99.03% compared to 89.98% in the base case. Furthermore, energy savings increased to 57.66% and carbon emissions were reduced by 57.65%, demonstrating improved environmental performance. These findings suggest that process redesign can significantly improve biodiesel production quality and sustainability. However, further research is needed to assess economic feasibility using tools such as the Aspen Process Economic Analyzer (APEA) for potential industrial-scale implementation. 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).
Improving Energy Efficiency in Ammonia Production from Hydrogen and Nitrogen Through Optimizing Operating Condition Ramadhan, Daffa Pratama; Hutasoit, Fransiska Klarisa Teodora; Primaditya, Ghazy Arya; Aurielly, Muhammad Verrel; Muafi, Muhammad Yusuf Zachraey
Journal of Chemical Engineering Research Progress 2025: JCERP, Volume 2 Issue 2 Year 2025 December 2025 (Issue in Progress)
Publisher : UPT Laboratorium Terpadu, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/jcerp.20422

Abstract

As a key raw material in the fertilizer industry, global ammonia consumption showed a steady increase from 2010 to 2020, with an average annual growth rate of approximately 1.81%. The production of ammonia involves four primary stages: feed gas pre-treatment, syngas generation, syngas purification, and ammonia synthesis. The main feedstocks used in this process are natural gas, steam, and air. To accommodate the rising demand for ammonia, it is essential to implement a highly efficient production process that ensures a high conversion rate. One strategy to enhance efficiency involves reducing the operating pressure in the ammonia production process proves to be an effective strategy for enhancing overall energy efficiency. This adjustment lowers the compressor workload, which in turn reduces system temperatures and eases the demand on the cooling system. Importantly, the process maintains a gas-phase reaction environment and high conversion efficiency, indicating that energy savings are achieved without compromising reaction performance. The results confirm that pressure optimization lies within the thermodynamic and kinetic boundaries necessary for effective ammonia synthesis. 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).

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