Novi Sylvia, Husni Husin, Abrar Muslim, Yunardi, Aden Syahrullah, Hary Purnomo, Rozanna Dewi, Yazid Bindar
Long-term exposure to pollution from particulate matter in palm oil mills can result in chronic respiratory diseases, cardiovascular diseases and mortality. Particulate matter with a size of less than 2.5 µm (PM2.5) has a greater impact than one with a size of 10 µm. The current PM cleaning equipment in palm oil mills consists of cyclones that are incapable of optimally filtering PM2.5. For this reason, it is necessary to design cyclone applications for fine particle separation in palm oil mills. Normal cyclones are incapable of segregating particles smaller than 2.5 µm. This study's objective was to design a cyclone with a filter on the vortex detector. These cyclones are utilized in PM2.5 fine particle filtration systems. Using computational fluid dynamics, cyclone performance is analyzed in terms of removal efficiency and pressure decrease. The research was conducted utilizing the Reynolds tress model with varying inlet velocities of 10, 15, 20, 25 and 30 meters per second. The filter is composed of boiler bottom ash refuse from palm oil mills; 0.310 meters is the height of the filter bed inserted in the vortex finder. The obtained results demonstrated that the PM2.5 removal efficiency reached 98%, while the pressure decrease was only 93 Pa greater than that of conventional cyclones. Thereby, cyclone designs with bottom ash filters can be used to filter fine particulate matter, particularly particles smaller than 2.5 µm. © 2023 the Author(s),.
School of Engineering, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia; Department of Chemical Engineering, Malikussaleh University, Lhokseumawe, 24351, Indonesia; Department of Chemical Engineering, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia; Department of Chemical Engineering, Faculty of Industrial Technology, Institut Teknologi Bandung, Bandung, 40132, Indonesia
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