Browsing by Author "SAJID KHAN"

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    Comparative analysis of biodiesel produced from tobacco seed oil and cooking oil using homogeneous catalyst
    (UMT, Lhr, 2023) SAJID KHAN
    The development in utilization of renewable energy sources, like biodiesel, is presented with both opportunities and challenges due to the depletion of petroleum supplies. Biodiesel, a highly promising alternative to fossil fuels, is made from vegetable oils. These vegetable oils have a great deal of potential for producing biodiesel, a sustainable and ecofriendly fuel. Biodiesel synthesis from tobacco seed oil has not received much attention in the past. In this study, tobacco seed oil as well as cooking oil was utilized for the biodiesel synthesis through transesterification reaction with methanol by using an alkaline catalyst. The transesterification reaction was performed with both the oil samples. The reaction temperature was 55oC with 1:6 oil to methanol ratio in the presence of NaOH catalyst (1 wt.%) and reaction duration was 3 hours. The conversion of tobacco seed oil was 86.56%, while that of cooking oil reached 85.9%. GC-MS analysis was performed for characterization and identification of fatty acids alkyl ester compounds. Numerous compounds were identified such as Docosanoic acid, methyl ester, Tetracosanoic acid, methyl ester, Hexacosanoic acid, methyl ester, Stigmasterol, 2,4-Decadienal, (E,E)- and cis-Methyl 11-eicosenoate. Different physicochemical properties of oil as well as their biodiesel were determined including acid value, saponification value and ester value. Some fuel properties of the prepared biodiesels were also determined, like cloud point, flash point, density and viscosity. The produced biodiesels' fuel qualities were examined using American Standard Testing.