Factor Interactions and the Modelling Of Biodiesel Production Reaction from Waste Vegetable Oil
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 30, Vol 3, Issue 8
Abstract
Chemically transesterified biodiesel is a mixture of mono – alkyl esters of triglycerides synthesized from a variety of lipids sources. The yield of biodiesel is influenced by several variable factors. This paper presents factor interactions in biodiesel production from waste vegetable oil (WVO) via base – catalyzed transesterification reaction with methanol. The factors studied are catalyst concentration, reactant ratio, contact time and reaction temperature. Optimization was carried out using these variables and sodium hydroxide as catalyst. Multiple linear regression (MLR) and analysis of variance (ANOVA) were carried out and biodiesel production yield model was established. Results indicate that the catalyst concentration is the most important factor that influence yield. Furthermore, there is no significant factor interaction involving reactant ratio, contact time and reaction temperature in biodiesel production. The MLR and ANOVA model fitted to the analytical data obtained is of the form: Yi = – 36.555 + 2199Xi1 – 2299Xi2 + 5.469Xi3 where Yi, Xi1, Xi2 and Xi3 are the biodiesel production yield, catalyst concentration, contact time and reaction temperature respectively.
Authors and Affiliations
R. C. Ehiri1,
Keywords
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