Bio-kerosene and Bio-gasoil from Coconut Oils via Hydrocracking Process over Ni-Fe/HZSM-5 Catalyst

In this study, hydrocracking of coconut oil over Ni-Fe/HZSM-5 catalyst was carried out in a batch reactor under different reaction temperature. Coconut oil is proposed as one of the potential feedstock for biofuel production. Ni-Fe/HZSM-5 catalyst was prepared by incipient wetness impregnation metho...

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Bibliographic Details
Published inBulletin of chemical reaction engineering & catalysis Vol. 14; no. 2; p. 309
Main Authors Al-Muttaqii, Muhammad, Firman Kurniawansyah, Danawati Hari Prajitno, Roesyadi, Achmad
Format Journal Article
LanguageEnglish
Published Semarang Department of Chemical Engineering, Diponegoro University 01.01.2019
Subjects
Biodiesel fuels
Biomass
Catalysis
Catalysts
Chemical composition
Coconut oil
Decarboxylation
Fuels
Gas oil
Hydrocarbons
Hydrocracking
Iron
Kerosene
Mass spectrometry
Moisture content
Nickel
Organic chemistry
Paraffins
Scanning electron microscopy
X-ray diffraction
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Summary:In this study, hydrocracking of coconut oil over Ni-Fe/HZSM-5 catalyst was carried out in a batch reactor under different reaction temperature. Coconut oil is proposed as one of the potential feedstock for biofuel production. Ni-Fe/HZSM-5 catalyst was prepared by incipient wetness impregnation method. The characterization of Ni-Fe/HZSM-5 catalyst by X-Ray Diffraction (XRD), Scanning Electron Microscopy-Energy Dispersive X-ray (SEM-EDAX), and Brunauer-Emmett-Teller (BET). The chemical composition of biofuel was analyzed by Gas-Chromatography-Mass Spectrometry (GC-MS). The results from the GC-MS analysis showed that the hydrocracking reaction over 10 % (Ni-Fe)/HZSM-5 catalyst at temperature of 375 oC obtained the highest hydrocarbon content (contained 49.4% n-paraffin, 26.93 % isoparaffin, 3.58 % olefin) and the highest yield of bio-gasoil 38.6 % in the biofuel liquid hydrocarbon. Pentadecane (n-C15) and heptadecane (n-C17) were the most abundant hydrocarbon compounds in biofuel liquid hydrocarbon. Decarboxylation and/or decarbonylation was the dominant reaction pathways in this process. Based on the result, the reaction temperature had a significant effect on the distribution of biofuel composition and yield of biofuel from coconut oil.
ISSN:1978-2993
DOI:10.9767/bcrec.0.0.2669.xxx-xxxa