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Journal : REKAYASA

Effect of Boiler Chimney Design on Particulate Emission Dispersion Using Aermod Modelling Prabasari, Ira Galih; Hutagalung, Winny Laura Christina; Bahar, Fetty Febriasti; Kumalasari, Dyah
Rekayasa Vol 18, No 2: Agustus, 2025
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/rekayasa.v18i2.28630

Abstract

In the power plants operation, the combustion process will produce particulate emissions. Particulate emissions themselves are known have a negative impact on health, such as causing respiratory problems. The pattern of particulate emissions from boiler chimneys needs to be studied to minimize the spread of pollution to the environment. The particulate emission dispersion model generated from the chimney of a boiler can be known using the aermod modeling tool, through this model, the concentration of particulate emissions received by the environment around the activity can be studied. The design of the boiler chimney is also known to affect the concentration of particulate matter that is dispersed. This study aims to determine the effect of chimney design on the distribution of particulate emissions from boilers. The particulate dispersion model was carried out using the aermod modeling tool with the independent variables were variations in chimney heights of 21 meters and 25 meters. From the dispersion analysis, it can be seen that the 21-meter chimney results in higher emission concentrations at close range because the lower chimney causes less optimal dispersion and tends to have a more significant local impact due to higher emission concentrations near the source. The 25-meter chimney provides better dispersion results more effective in dispersing pollutants over a wider area. The result of this research is consistent with plume rise theory and the Gaussian dispersion model, which states that the higher the stack, the more potential for the released flue gas and particulates to disperse vertically and horizontally before reaching ground level. Taller chimneys allow emissions to be released at a higher altitude, which can reduce particulate concentrations in the area around the plant or industrial installation. As the stack height increases, emissions are dispersed more widely in the atmosphere, so the potential for pollutant accumulation in areas near the source is reduced
Co-Authors Abdullah, Rabaah Abiyoga, Nurza Purwa Ade Nurdin Ajat Sudrajat Ajat Sudrajat Alfatikha Ainia Prihadi Alfernando, Oki Aman Aman Aman Aman Aman Aman Amirul Syafiq Aprianto, Rivaldy Arfaton, Arfaton Arifiyanti, Fitria Arrazaq, Naufal Raffi Astana, Cornelius Bayu Aulia Mutiara Putri Bahar, Fetty Febriasti Cahya, Dewi Dadan Rosana Danu Eko Agustinova * Dila Oktarise Dwina Dimas Aditia Dimas Aldi Pangestu Dwi Gesti Jayanti Dwina, Dila Oktarise Fadli, Muhammad Rijal Fahri, Ardian Fathurrahman Fathurrahman Fetty Febriasti Bahar Fevriasti Bahar, Fetty Galih Prabasari, Ira Galih, Ira Grendi Hendrastomo * Gunartati, Gunartati Hafida Galuh Aurisa Hafizatul Anisa Hamdani, Reza Renggana Hapsari, Nendri Haris Firmansyah Harmes, Harmes Hutagalung, Winny Laura Christina Ilman, Dzulfanur Irawan, Ria Isham, Najuan Ita Mutiara Dewi Jamal, Nurman Kinanti, Ajeng Diah Kristoforus Bagas Romualdi Laura Christina Hutagalung, Winny Maulana, Wildhan Ichzha Metrahultikultura Metrahultikultura Miftahuddin Miftahuddin Mohammad Rikaz Prabowo Musa, La Nazarudin Nuklirullah, M. Nur Hasanah Okhaifi Prasetyo Oktarise Dwina, Dila Permata, Niken Pusparani Permatasari, Wahyu Ida Pertiwi, Nurul Reza Prabasari, Ira Prabasari, Ira Galih Prayoga, Septian Yudi Purba Abiyoga, Nurza Putri, Niken Tasya Clara Rahmat Sudrajat, Rahmat Revis Asra Rinaldi Rinaldi Rivaldy Aprianto Rodhiyah, Zuli Sandy Maulana Yusuf Yusuf Saputro, Eko Prasetyo Nugroho Setiawan, Johan Sinaga, Haposan Siti Irene Astuti Dwiningrum Suciati, Rahmadiah Suhadi Purwantara Supardi Supardi Suranto Aw Syafiq, Amirul Viareco, Hariestya Wahyu Ida Permatasari Wijayanti, Finna Wilis, Roro Wulandari, Ana Yafi, Reyhan Ainun Yoga Ardy Wibowo Zulkarnain Zulkarnain