Optimization of the production of sodium hydroxide-catalyzed methanolysis of Jatropha curcas L. oil with petroleum ether as cosolvent

Date

4-2010

Degree

Bachelor of Science in Chemical Engineering

College

College of Engineering and Agro-Industrial Technology (CEAT)

Adviser/Committee Chair

Rex B. Demafelis

Committee Member

Erwin C. Escobar, Monet Concepcion C. Maguyon

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Abstract

Design Expert 7.1.6 was used to generate design matrix based on Response Surface Methodology having Central Composite Design as its sub- method. The optimum condition was based on the quadratic model analyzed having a 7:1 methanol to petroleum ether volumetric ratio, 7:1 methanol to oil molar ratio, 0.2:1 NaOH to oil molar ratio, and at 54 . The system achieved the minimum 96.5% methyl ester purity below 10 minutes. The reaction time considered was 12 minutes having a purity of 99.1408116%. Compared with the previous study by Vibal (2009), the chosen optimum condition is more economical with a total savings of Php 0.082 per liter of biodiesel. Relative costing were only used to approximate production cost of the transesterification process. Production cost from oil extraction until recovery of methanol and petroleum ether was not included in the study.

Language

English

Location

UPLB College of Engineering and Agro-Industrial Technology

Document Type

Thesis

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