Synthesis and catalytic performance of mixed oxides (Cr-Mn-Ti) catalysts in transesterification of waste cooking palm oil to Fatty Acid Methyl Ester (FAME) / Hami Hakimah Azmi

Azmi, Hami Hakimah (2017) Synthesis and catalytic performance of mixed oxides (Cr-Mn-Ti) catalysts in transesterification of waste cooking palm oil to Fatty Acid Methyl Ester (FAME) / Hami Hakimah Azmi. [Student Project] (Unpublished)

Abstract

Biodiesel as Fatty Acid Methyl Ester (FAME) derived from vegetable oils has considerable advantages in terms of environmental protection. It has been introduced as an alternative source of fuel and diesel in response to increasing concerns over global warming and carbon emission. Heterogenous mixed oxide catalyst were used for the transesterification of waste cooking palm oil (WCO) as feedstock with methanol to produce biodiesel fuel. This research project was carried out to investigated the transesterification of waste cooking palm oil to produce biodiesel using mixed oxides catalyst which are CrO2-MnO2- TiO2, as a heterogenous catalyst. The effect of metal ratio (Cr,Mn,Ti) and calcination temperature for synthesis of catalyst were investigated. The reaction were conduct in batch reactor with the temperature 160°C. The result shown that the best catalysts ratio (Cr:Mn:Ti) was obtained at 1:1:2 and the optimum calcination temperature is at 600°C during reaction time is 2 hours. For effect metal ratio, the highest FAME yield was obtained with the lowest density which is 725 kg/m3, while at optimum calcination temperature the density is about 622 kg/m3. Overall, this research show that the effect of two parameter for mixed oxide catalyst (Cr, Mn, Ti) give a good potential in large scale biodiesel production from waste cooking oil..

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