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Journal Majelis Paspama
Published by Paspama Institute
ISSN : -     EISSN : 29871379     DOI : https://doi.org/10.58471
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering Industrial & Manufacturing Engineering Mechanical Engineering
Journal Majelis Paspama The following journals that receive a multidisciplinary research focus with a Scope of Engineering accept submissions of scientific articles for research in the form of research results, surveys, and literature in the fields of engineering, including: Informatics Engineering, Electrical engineering, Civil engineering, Architecture, Chemical engineering, Industrial engineering, Mechanical engineerin
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 42 Documents
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Sustainable Profitability Analysis of Natural Gas-Based Methanol Production Onuoha Fidelis Wopara; Johnson, Nnadikwe
Journal Majelis Paspama Vol. 4 No. 02 (2026): Journal Majelis Paspama, 2026, inpres
Publisher : Journal Majelis Paspama

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Abstract

Methanol production from natural gas is gaining traction as a sustainable alternative to conventional fuels. This paper presents an economic analysis and design of large-scale methanol production, optimizing synthesis gas composition (CO/CO₂ ratio) for enhanced yield. A Maximum Energy Recovery (MER) heat exchanger network reduces operational costs, achieving a break-even point of 2.69 years. Key results include: production capacity meeting ~1% of global demand, total operating cost optimized at 4× raw materials cost, and a fixed-tube sheet heat exchanger (22.54 m²) selected for low-temperature heat exchange. Sensitivity analyses demonstrate robustness against natural gas price fluctuations and methanol market trends, underscoring the process's economic viability and environmental sustainability.
Efficient Propane-Ethane Fractionation within Petrochemical Plant Operations Johnson, Nnadikwe; Onuoha Fidelis Wopara
Journal Majelis Paspama Vol. 4 No. 02 (2026): Journal Majelis Paspama, 2026, inpres
Publisher : Journal Majelis Paspama

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Abstract

Efficient propane-ethane fractionation is crucial in petrochemical complexes, enabling the production of high-purity products. This paper focuses on the treatment of ethane-propane mixtures recovered from natural gas, highlighting the interplay between key units: Gas Sweetening Unit (GSU), C2/C3 Recovery Unit, and Gas Cracker Unit (GCU). In the GSU, acid gases like CO2 are removed via chemical absorption using solvents like DEA, preventing freezing issues in downstream cryogenic processes. The 'sweetened' gas feeds into the C2/C3 Recovery Unit, where cryogenic conditions enable efficient ethane-propane separation. Optimizing fractionation in this unit enhances GCU performance, boosting ethylene and propylene yields. Process integration and energy efficiency are critical considerations. This study explores efficient propane-ethane fractionation strategies, aiming to improve overall petrochemical complex performance. Key aspects of this process include effective CO2 removal in the GSU, ensuring process reliability. Cryogenic separation in the C2/C3 Recovery Unit enables high-purity product recovery. The impact on GCU performance is significant, as efficient fractionation boosts downstream yields. Energy-efficient fractionation strategies are also crucial for reducing operating costs and environmental impact. By optimizing these aspects, petrochemical complexes can improve product yields, reduce energy consumption, and enhance overall efficiency. This research contributes to the development of efficient propane-ethane fractionation technologies, supporting the growth of the petrochemical industry.

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