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Journal : Journal of Engineering and Technological Sciences

Integrated CFD and Aspen Plus Simulation for Optimizing Biomass Combustion: A Study on Sugarcane Bagasse Nugraha, Maulana Gilar; Azarya, Eblin Alle; Hidayat, Muslikhin; Saptoadi, Harwin
Journal of Engineering and Technological Sciences Vol. 57 No. 5 (2025): Vol. 57 No. 5 (2025): October
Publisher : Directorate for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.eng.technol.sci.2025.57.5.8

Abstract

This study presents an integrated simulation approach to optimize biomass combustion using sugarcane bagasse as a renewable feedstock. Computational fluid dynamics (CFD) was employed to model combustion hydrodynamics, while Aspen Plus was used to simulate pyrolysis product distribution based on Gibbs free energy minimization. The simulation involved key parameters such as air-fuel ratio, excess air level (100% and 200%), and combustion temperature profiles, which were validated against experimental data from a lab-scale grate-fired furnace. The pyrolysis results revealed that increasing the temperature from 400°C to 600°C significantly enhanced CO and H₂ concentrations, thereby improving syngas reactivity. CFD analysis showed that, at 100% excess air, CO₂ concentration reached 9.15% with an average freeboard temperature of 405.2°C, while at 200% excess air, the CO₂ dropped to 6.46% and the temperature decreased to 397.9°C, indicating reduced combustion efficiency. These results underscore the importance of optimizing air supply to enhance combustion performance and minimize unburnt volatiles. The findings confirm that integrating CFD and Aspen Plus simulations provides a reliable framework for improving the efficiency and environmental performance of biomass combustion systems.
Co-Authors ', Padil Afandy, Moh. A. Akhwari Wahyu P Annisa Fitri Harahap Arief Budiman Arif Kusumawanto Aswati Mindaryani Azarya, Eblin Alle Cahyono, Rochim Bakti Chatarina Umbul Wahyuni Danang Tri hartanto Devi Yuni Susanti Doni Agus Sumitro Eddy Kurniawan EKA SARI Emmy Nurhayati Febrina Sarlinda Fikrah Dian Indrawati Sawali Fikry Nashrullah K Hartanto, Danang Tri Harwin Saptoadi Hary Sulistyo Hary Sulistyo Henry Prastanto Henry Prastanto, Henry Iqbal Haitami Liau, Selva Susilowati M Sri Prasetyo Budi Mahendra Rian Putra Maria Arista Ulfa Megawati Megawati Meutia Ermina Toif Moh Fahrurrozi Moh. Azhar Afandy Moh. Fahrurrozi Muhammad Arif Wibisono, Muhammad Arif Muhammad Mufti Azis Muhammad Mufti Aziz Muhammad Natsir Hakiki Mustikaningrum, Mega Ningrum, Sari Sekar Nugraha, Maulana Gilar Nurhalim, Nurhalim Nurkholis Nurkholis Nurkholis Nurkholis Padil, Padil Panut Mulyono Rahayu, Neni Rahmi, Hertantri Yulia Rina Sri Kasiamdari Rochim Bakti Cahyono Rochmadi Rochmadi Rochmadi Rochmadi Rochmadi Rochmadi S Syamsiah Sarto Sarto Sarto Sarto Sarto Sarto Sediawan, Wahyudi B. Selo Sulistyo, Selo Sigit Abdurrakhman Siti Syamsiah Siti Syamsiah Sri Puji Saraswati Sri Rahayu Gusmarwani, Sri Rahayu Suhanan Suhanan Sunarya, Rahmat Susanti, Devi Y. Sutijan Sutijan Aziz Sutijan Sutijan Sutijan Sutijan Syafrima Wahyu Syamsiah, Siti Syarifhidayahtullah Syarif Ubet Khoirudin Veronika, Chintia Wahyudi Budi Sediawan Wahyudi Budi Sediawan Wahyudi Budi Sediawan Wahyudi Budi Sediawan Wibowo, Claudia Shinta Octa Yuni Kusumastuti, Yuni