Mirna Zulrika, Husni Husin, Hesti Meilina, Masri Ali, Fahrizal Nasution, Ahmadi, Leni Maulinda, Nurhazanah, Zikrullah
Plastic waste is an environmental problem that is widely discussed in the era of globalization. Catalytic reforming can be applied to improve the quality of plastic waste oil. This study aims to improve the properties of liquid fuel from pyrolysis oil using natural diatomaceous earth (NDE) with independent variables, namely catalytic reforming temperature and catalyst mass. The NDE (100 mesh) catalyst was washed with distilled water and then dried in the oven for 24 hours. The characteristics of liquid fuels were investigated using gas chromatography (GC-MS), while the catalyst was analyzed using a scanning electron microscope (SEM) to better understand the particle size and surface topography. The catalytic pyrolysis process is carried out in a fixed-bed reactor at 300-500 o C with a catalyst mass of 4-6%. The surface morphology of NDE appears to have a microporous structure with a honeycomb shape and 5 μm average size. Liquid products consist of hydrocarbons in the gasoline range, based on GC-MS analysis. This process shows that increasing the temperature and catalyst mass results in higher product yields of 52.12% at 300 o C and 4% catalyst mass. NDE could be applied to the conversion of pyrolysis PP into gasoline. According to the findings, NDE will eventually be one of the options for completing the conversion of PP plastic. © 2025 Trans Tech Publications Ltd, All Rights Reserved.
Magister of Chemical Engineering, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia; Postgraduate School of Engineering Studies, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia; Department of Chemical Engineering, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia; Department of Mechanical Engineering, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia; Department of Chemical Engineering, Universitas Malikussaleh, Lhokseumawe, 24355, Indonesia
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