Biodiesel production from non-edible beauty leaf (Calophyllum inophyllum) oil: process pptimization using response surface methodology (RSM)
Article
Article Title | Biodiesel production from non-edible beauty leaf (Calophyllum inophyllum) oil: process pptimization using response surface methodology (RSM) |
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ERA Journal ID | 123161 |
Article Category | Article |
Authors | Jahirul, Mohammad I. (Other), Koh, Wenyong (Other), Brown, Richard J. (Other), Senadeera, Wijitha (Other), O'Hara, Ian (Other) and Moghaddam, Lalehvash (Other) |
Journal Title | Energies |
Journal Citation | 7 (8), pp. 5317-5331 |
Number of Pages | 15 |
Year | 2014 |
Publisher | MDPI AG |
Place of Publication | Switzerland |
ISSN | 1996-1073 |
Digital Object Identifier (DOI) | https://doi.org/10.3390/en7085317 |
Web Address (URL) | http://www.mdpi.com/1996-1073/7/8/5317 |
Abstract | In recent years, the beauty leaf plant (Calophyllum Inophyllum) is being considered as a potential 2nd generation biodiesel source due to high seed oil content, high fruit production rate, simple cultivation and ability to grow in a wide range of climate conditions. However, however, due to the high free fatty acid (FFA) content in this oil, the potential of this biodiesel feedstock is still unrealized, and little research has been undertaken on it.In this study, transesterification of beauty leaf oil to produce biodiesel has been investigated. A two-step biodiesel conversion method consisting of acid catalysed pre-esterification and alkali catalysed transesterification has been utilized. The three main factors that drive the biodiesel (fatty acid methyl ester (FAME)) conversion from vegetable oil (triglycerides)were studied using response surface methodology (RSM) based on a Box-Behnken experimental design. The factors considered in this study were catalyst concentration, methanol to oil molar ratio and reaction temperature. Linear and full quadratic regression models were developed to predict FFA and FAME concentration and to optimize the reaction conditions. The significance of these factors and their interaction in both stages was determined using analysis of variance (ANOVA). The reaction conditions for the largest reduction in FFA concentration for acid catalysed pre-esterification was 30:1 methanol to oil molar ratio, 10% (w/w) sulfuric acid catalyst loading and 75 °C reaction temperature. In the alkali catalysed transesterification process 7.5:1 methanol to oil molar ratio, 1% (w/w) sodium methoxide catalyst loading and 55 °C reaction temperature were found to result in the highest FAME conversion. The good agreement between model outputs and experimental results demonstrated that this methodology may be useful for industrial process optimization for biodiesel production from beauty leaf oil |
Keywords | biodiesel; beauty leaf; transesterification; response surface methodology (RSM) |
ANZSRC Field of Research 2020 | 401703. Energy generation, conversion and storage (excl. chemical and electrical) |
Byline Affiliations | Queensland University of Technology |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q3wy2/biodiesel-production-from-non-edible-beauty-leaf-calophyllum-inophyllum-oil-process-pptimization-using-response-surface-methodology-rsm
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