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Journal of Chemical Engineering Research Progress
ISSN 3032-7059 · Universitas Diponegoro · 114 artikel di indeks
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Artikel Jurnal
Optimization of Operating Conditions for Enhanced Efficiency in Green Ammonia Production toward Sustainable Fertilizer Applications
This study investigates the enhancement of reaction efficiency in green ammonia production through the optimization of operating conditions using Aspen HYSYS simulation. Conventional ammonia synthesis is limited by its high energy demand, driven largely by extreme operating pressures and…
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Artikel Jurnal
Enhancing Green Methanol Production via CO2 Hydrogenation: Process Intensification using Plug Flow Reactor and Vanden Bussche-Froment
The transition to renewable energy in Indonesia requires strategic solutions for carbon capture and utilization (CCU). Methanol synthesis from captured CO2 and green hydrogen offers a promising pathway but is hindered by thermodynamic equilibrium limitations and high energy consumption in the…
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Recovery and Utilization of Waste Heat from Cooler Effluent for Preheating Applications
Maleic anhydride (MA) is an important intermediate for polymers, coatings, and fine chemicals, yet its production through n-butane oxidation remains energy-intensive due to the highly exothermic nature of the reaction. Inefficient heat management leads to excessive utility demand and reduced…
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Artikel Jurnal
Process Optimization of Hydrogen Production via the Water–Gas Shift Reaction Using CO Recycle and Exothermic Reactor Operation
Hydrogen production via the Water–Gas Shift Reaction (WGSR) is limited by thermodynamic equilibrium, restricting carbon monoxide (CO) conversion and process efficiency. The baseline process achieved 80.07% CO conversion, while the modified design incorporated CO recycle and controlled exothermic…
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Artikel Jurnal
Process Modification for Energy Demand Reduction in Acetic Acid Production
Methanol carbonylation via the Cativa Process is the dominant technology for acetic acid production, offering high selectivity and operational efficiency. In the initial design of plants based on this process, however, heating energy demand was substantial, particularly during the methanol…
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Artikel Jurnal
Optimizing Hydrogenation Production via Recycle Loop in Aspen HYSYS Simulated Water Gas Shift Reaction: Kinetic and Thermodynamic Analysis
Hydrogen production via the water–gas shift (WGS) reaction plays a central role in modern energy systems, where maximizing the conversion of carbon monoxide (CO) into hydrogen (H₂) and carbon dioxide (CO₂) is essential for process efficiency. This study develops a detailed Aspen HYSYS process model…
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Artikel Jurnal
Process Optimization of Cumene Production: Energy Efficiency Optimization and Conversion Enhancement through Heat Integration and Recycle Strategies
Cumene production via benzene–propylene alkylation is a highly exothermic process that requires effective thermal management. This study aims to optimize energy efficiency and enhance conversion performance in cumene production through the integration of reactor heat recovery and recycle…
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Artikel Jurnal
Minimizing Net Energy Consumption in Vinyl Chloride Monomer (VCM) Production using Heat-Integrated Process Design
Vinyl chloride monomer (VCM) is a key intermediate in polyvinyl chloride (PVC) production, and its manufacture via thermal cracking of 1,2-dichloroethane (EDC) is highly energy intensive. This study aims to reduce the net energy demand of the EDC–VCM section through a heat-integrated process…
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Artikel Jurnal
Optimizing Propylene Glycol Purity and Profitability through Variations in Reactor Temperature and Distillation
Propylene glycol (PG) is a multifunctional diol widely used in food, pharmaceutical, cosmetic, and chemical industries due to its favorable physicochemical properties, high water solubility, and low toxicity. This study examines PG production through non-catalytic hydration of propylene oxide…
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Improved Conversion Performance in Methyl Chloride Production from Methanol and Hydrogen Chloride Through Heat Exchanger Based Waste Heat Recovery and Process Modification
Methyl chloride (CH₃Cl) is an essential intermediate in the manufacture of silicones, agrochemicals, amines, refrigerants, and synthetic rubber; however, conventional production routes are constrained by substantial energy inefficiencies and exergy destruction. This study seeks to enhance the…
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Artikel Jurnal
Improving Product Purity of Ethylene Glycol Production from Ethylene Oxide by Modify Process Using Multi-stage Distillation
Ethylene glycol (EG) is an important industrial chemical widely used in the manufacture of polyester fibers, antifreeze formulations, and heat-transfer fluids. Industrially, EG is produced through the hydration of ethylene oxide; however, achieving high product purity remains a significant…
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Artikel Jurnal
Optimizing of Temperature and Pressure in a Modified Plug Flow Reactor to Enhance Benzene Conversion with Process Simulation Software
The increase in industrial dependence on benzene demands a more efficient, high-conversion hydrodealkylation (HDA) process. The HDA of toluene is highly sensitive to temperature and pressure, and inaccuracies in operating conditions can cause side reactions and accelerate catalyst deactivation…
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Artikel Jurnal
Enhancing Energy Efficiency of Maleic Anhydride Production via Heat Integration and Feed Preheating
This study explores strategies to enhance energy efficiency in maleic anhydride production through heat integration and feed preheating modifications within an existing process configuration. The process, based on benzene oxidation in a plug flow reactor followed by absorption and distillation, was…
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Artikel Jurnal
Improving Operational Energy Efficiency in the Acetaldehyde Production Process Through the Addition of a Heat Exchanger and Optimization of Heat from Reactors' Outlet
Enhancing the energy efficiency of acetaldehyde production is essential for advancing operational performance and supporting sustainable chemical manufacturing. This study investigates the effect of integrating an additional heat exchanger into the ethanol dehydrogenation flowsheet, positioned…
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Artikel Jurnal
Purity Enhancement of Vinyl Chloride Monomer from Ethylene Dichloride Using Distillation Column Optimization and Recycle Integration
Vinyl Chloride Monomer (VCM) is a key precursor in the manufacture of polyvinyl chloride (PVC), a polymer of considerable industrial significance. A major synthetic route to VCM involves the reaction of ethylene dichloride (EDC), producing VCM and hydrogen chloride as the principal products. This…
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Artikel Jurnal
Integrated Process Design for n-Octane Production Enhancing Yield and Energy Saving via Recycle, Heat Integration, and Purge-gas Utilization
n-octane is an essential hydrocarbon in fuels and petrochemicals, yet conventional production suffers from high energy demand and material losses. This study develops an integrated process design combining recycle systems, heat integration, and purge-gas utilization for n-octane production. Results…
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Artikel Jurnal
Improving Energy Efficiency with Reusage Outlet Stream of Heat Exchanger for Acrylic Acid Production from Propylene Oxidation
Acrylic acid is a pivotal chemical intermediate extensively utilized in the manufacture of superabsorbent polymers, coatings, adhesives, and acrylate esters. Conventional production via propylene oxidation is markedly energy intensive and generates substantial by products, highlighting the…
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Artikel Jurnal
Enhancing Ethyl Acetate Conversion from Acetic Acid Esterification by Optimizing Reactant Mole Ratio and Reaction Temperature
Ethyl acetate is among the most widely utilized and produced compounds in the chemical industry, serving as a key solvent in coatings, adhesives, pharmaceuticals, and various synthesis processes. Its production typically occurs through the esterification of acetic acid with ethanol, a reaction that…
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Artikel Jurnal
Process Optimization of Chlorobenzene Production through the Integration of a Distillation Unit and Mixer in Gas–Liquid Benzene Chlorination
Chlorobenzene is a key intermediate in the synthesis of phenol, aniline, and dichlorodiphenyltrichloroethane (DDT), and is also utilized as a solvent, heat-transfer fluid, and occasionally in dry-cleaning. Given its wide industrial applications, production efficiency is essential for economic…
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Artikel Jurnal
Optimizing Operating Conditions to Increase the Effective Hydrogen Partial Pressure and Reduce Fresh Hydrogen in Vapor-Phase Cyclohexanol Production
Cyclohexanol is a vital intermediate in nylon precursor production, making its efficient synthesis highly relevant for large-scale chemical industries. Conventional processes often face inefficiencies such as excessive hydrogen consumption and poor energy utilization, which hinder economic…