Experimental Evaluation of Different Parameters on Chemical Production of Biodiesel by Used Frying Oil

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Shiati, Peyman | 2011

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 41922 (06)
University: Sharif University of Technology
Department: Chemical and Petroleum Engineering
Advisor(s): Kariminia, Hamid Reza
Abstract:
Biodiesel as an alternative fuel for fossil diesel has many benefits such as reducing regulated air pollutants emissions, reducing greenhouse gases emissions, being renewable, biodegradable and non-toxic. In this study, used frying oil was used as a low cost feedstock for biodiesel production by sodium silicate as an alkaline catalyst in transesterification reaction in order to optimize the conditions of biodiesel production. The factors studied were: reaction temperature, molar ratio of methanol to oil, catalyst amount and catalyst recovering. The optimum conditions of reaction obtained as follows: methanol to oil molar ratio of 7:1(mol⁄mol), catalyst amount of 3% w/w and reaction temperature of 60 ℃. In this optimum conditions the biodiesel production yield in basis of weight of Ester layer was obtained 97.08%
Keywords:
Biodiesel ; Sodium Silicates ; Used Frying Oil ; Transesterification Reaction

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