Laksmi Dewi Kasmiarno, Josua Karunia Panannangan, Soen Steven, Jenny Rizkiana, Pandit Hernowo, Feerzet Achmad, Oki Muraza, Tirto Prakoso, Astri Nur Istyami, Meiti Pratiwi, Aqsha Aqsha, Yazid Bindar
The investigation of natural rubber pyrolysis holds substantial significance for the advancement of renewable hydrocarbon chemical production. Given its composition of almost 100% volatile matter and nearly zero fixed carbon content, natural rubber as a renewable chemical source offers a promising route for bio-hydrocarbon producers. Remarkably, natural rubber pyrolysis behavior and kinetic mechanism still have received limited attention. This study, hence, aims to characterize and model natural rubber pyrolysis, which offers a better understanding of the pyrolysis phenomenon. The modeling employs a novel methodology, the volatile state approach, as the basis for kinetic investigation to comprehensively predict the mass composition and yield, as well as determine kinetic parameters. The pyrolysis was investigated under variations of temperature conditions in laboratory-scale of semi-batch thermogravimetry apparatus. The kinetic parameters were obtained from the combination of Arrhenius equation and volatile state Kissinger-Akahira-Sunose (KAS) method. The result reports that the pyrolysis of natural rubber presents excellent potential for producing a range of valuable products, including both liquid and gas products as bio-hydrocarbon (CH4, C2H4, C2H6, C3H6, C3H8, C4H10, and C5H12) and non-hydrocarbon (CO2, CO, and H2). Moreover, the activation energy of each gas component is obtained as temperature dependence while still adhering to the mass conservation principle. Notably, the volatile state kinetic modeling is valuable for enhancing the understanding of natural rubber pyrolysis, providing kinetic parameters for pyrolysis optimization and prediction of the composition and yield of each gas product, closely aligned to the experimental data. © 2023 Elsevier B.V.
Department of Chemical Engineering, Faculty of Industrial Technology, Institut Teknologi Bandung, Bandung, 40132, Indonesia; Department of Chemical Engineering, Faculty of Industrial Technology, Universitas Pertamina, Jakarta, 12220, Indonesia; Biomass Technology Workshop, Faculty of Industrial Technology, Institut Teknologi Bandung, Sumedang, 45363, Indonesia; Research Center For Sustainable Production System and Life Cycle Assessment, National Research and Innovation Agency (BRIN), KST BJ Habibie, Building 720 Puspiptek Area, Banten, South Tangerang, 15314, Indonesia; Center for Catalysis and Reaction Engineering, Institut Teknologi Bandung, Bandung, 40132, Indonesia; Department of Chemical Engineering, Universitas Bhayangkara Jakarta Raya, Jakarta Selatan, 12550, Indonesia; Department of Chemical Engineering, Institut Teknologi Sumatera, Lampung, 35365, Indonesia; Research and Technology Innovation, PT. Pertamina (Persero), Sopo Del Tower A Floor 51, Jakarta, 12950, Indonesia; Department of Bioenergy Engineering and Chemurgy, Faculty of Industrial Technology, Institut Teknologi Bandung, Sumedang, 45363, Indonesia; Research Group on Biomass and Food Processing Technology, Faculty of Industrial Technology, Institut Teknologi Bandung, Bandung, 40132, Indonesia
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