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All Journal Jurnal Profesi Insinyur Indonesia Journal of Chemical Engineering Research Progress
Fauzan, O. K. Muhammad
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Energy Engineering Materials Science & Nanotechnology Transportation

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Reducing Energy Consumption in the Formaldehyde Production Process Fauzan, O. K. Muhammad; Amalia, Ilmi Nur; Nabila, Chiera Shelgi Putri; Purdivami, Radike Zahra Aisya
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.20308

Abstract

Formaldehyde is a substance that has been utilized for a long time due to its numerous benefits. This research article focuses on optimizing energy consumption in formaldehyde production from methanol using metal oxide catalysts. The Formox process is one of the main methods for formaldehyde production through the partial oxidation of methanol with metal oxide catalysts. In this process, energy released by the system is recovered and reused, making the overall energy consumption more efficient and reducing the required costs. By reducing the energy consumed in the production process, emissions released into the atmosphere will decrease, and profitability can be enhanced by lowering energy-related costs. The energy results before modification show a value of 43,030,653.8 kJ/h, while the modified system yields 26,766,429.7 kJ/h, achieving an energy efficiency improvement of 37.8%. 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).
Composite Curve Pada Teknologi Pinch Widayat, Widayat; Fauzan, O. K. Muhammad; Manulang, Amanda Nathalia Harti Marusaha; Salsabila, Elvira; Ratnawati, Ida; Ridani, Nuraida
Jurnal Profesi Insinyur Indonesia Vol 3, No 3 (2025): JPII:
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jpii.2025.28240

Abstract

Teknologi pinch adalah teknik berdasar ilmu termodinamika yang digunakan untuk mengoptimalkan konsumsi panas pada sistem proses industri menggunakan perancangan dan optimasi jaringan penukar panas (Heat Exchanger Network/HEN). One tool utama pada pendekatan teknologi penukar panas adalah curve komposit yang memaparkan hubungan antara entalpi dan suhu aliran panas (panas/steam) dan aliran dingin (cooling). Penelitian ini membahas penerapan yang dilakukan pada aliran proses sebanyak 11 aliran proses (4 aliran panas dan 7 aliran dingin) dengan variasi ΔTmin sebanyak 10°C, 12°C, 14°C, 20°C dan 22°C. Parameter yang digunakan berupa kepanasan panas (thermal capacity), perubahan entalpi dan entalpi kumulatif pada setiap interval panas. Hasil yang didapatkan menginformasikan bahwa perurungan ΔTmin akan meningkatkan efisiensi pemanfaatan panas berakibat pada biaya instalasi yang mahal. Sebaliknya, ΔTmin yang makin besar akan menurunkan efisiensi tetapi mengurangi kompleksi sistem. Dengan demikian perlu ditentukan ΔTmin yang tepat. Kata kunci: pinch technology, composite curve, ΔTmin, heat integration, energy efficiency, Heat Exchanger Network
Co-Authors . Widayat Amalia, Ilmi Nur Manulang, Amanda Nathalia Harti Marusaha Nabila, Chiera Shelgi Putri Purdivami, Radike Zahra Aisya Ratnawati, Ida Ridani, Nuraida salsabila, elvira