Journal
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
Volume 128, Issue -, Pages 140-147Publisher
ELSEVIER
DOI: 10.1016/j.jtice.2021.08.046
Keywords
Renewable and fossil oils; Mixtures; Hydrotreatment; Oxygen and sulfur removal; Hybrid fuels
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The co-processing of Jatropha curcas L oil and gasoil mixtures showed high conversions of vegetable oils and good desulfurization rates under appropriate conditions.
The co-processing of Jatropha curcas L oil (JC) and gasoil in mixtures of 20:80 and 50:50 volume percentages, respectively, was carried out in a batch reactor by using a commercial NiMo/Al2O3 (5wt%) catalyst at 750 rpm, 70 bar of initial pressure and 80/100 mesh particle size. The effect of temperature (370-390 degrees C) at fixed reaction time of 4 h in the oxygen and sulfur removals were followed with Fourier Transform Infrared Spectroscopy, Proton Nuclear Magnetic Resonance and Energy Dispersive X-ray Fluorescence Spectroscopy. Also we use simulated distillation to determine the boiling point distributions. It was found that 98 and 99 % conversions of vegetable oils were obtained for 20 and 50 vol% JC feedstocks and similar >> 83 and 87 % hydrodesulfuration (HDS) conversions for both fossil-vegetable mixtures at 380 and 390 degrees C. However at 370 degrees C the attained HDS conversion was more than 10% lower in mixture with 50 vol% JC. Regarding boiling point distributions, yields averaging 58 vol% and 70 vol% of cut with boiling range 157-343 degrees C, were obtained with 20 vol% and 50 vol% JC feed mixtures, respectively. (c) 2021 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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