ISSN 0331-8753
 

Original Research 


Optimization of Reaction Variables in situ Transesterification of Jatropha curcas Oilseed in Biodiesel

Muibat A Obianke, Aminu Bayawa Muhammad, Lawal Gusau Hassan, Adamu A Aliero, Muhammad Gidado Liman.

Abstract
Biodiesel was produced from seed oil of Jatropha curcas by in situ acid-catalyzed transesterification with methanol. Optimization of the reaction parameters was carried out using response surface methodology based on Box-Behnken design. All the four variables investigated were found to be significant. The empirical model obtained adequately expresses the relationship between the biodiesel yield and the statistically significant reaction variables (R2 = 96.97%). The optimization result predicted an optimal biodiesel yield of 84.07% at a reaction temperature of 48°C; a reaction time of 240 min; when 5 cm3/g a volume of methanol and catalyst concentration of 0.88M. The validation result was in agreement with the predicted biodiesel yield. The fatty acid methyl profile of the biodiesel shows that it predominantly contains methyl esters of octadecenoic acid, octadecadienoic acid and hexadecanoic acid which make up about 87% the biodiesel. The fuel properties of the biodiesel were in agreement with requirements of Worldwide Fuel Charter Committee Biodiesel Guidelines.

Key words: Jatropha curcas, biodiesel, in situ transesterification, optimization, Box-Behnken


 
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Pubmed Style

Obianke MA, Muhammad AB, Hassan LG, Aliero AA, Liman MG. Optimization of Reaction Variables in situ Transesterification of Jatropha curcas Oilseed in Biodiesel. Nig. J. Basic Appl. Sci.. 2018; 26(2): 102-114. doi:10.4314/njbas.v26i2.15


Web Style

Obianke MA, Muhammad AB, Hassan LG, Aliero AA, Liman MG. Optimization of Reaction Variables in situ Transesterification of Jatropha curcas Oilseed in Biodiesel. www.njbas-udus.com/?mno=301936 [Access: March 27, 2019]. doi:10.4314/njbas.v26i2.15


AMA (American Medical Association) Style

Obianke MA, Muhammad AB, Hassan LG, Aliero AA, Liman MG. Optimization of Reaction Variables in situ Transesterification of Jatropha curcas Oilseed in Biodiesel. Nig. J. Basic Appl. Sci.. 2018; 26(2): 102-114. doi:10.4314/njbas.v26i2.15



Vancouver/ICMJE Style

Obianke MA, Muhammad AB, Hassan LG, Aliero AA, Liman MG. Optimization of Reaction Variables in situ Transesterification of Jatropha curcas Oilseed in Biodiesel. Nig. J. Basic Appl. Sci.. (2018), [cited March 27, 2019]; 26(2): 102-114. doi:10.4314/njbas.v26i2.15



Harvard Style

Obianke, M. A., Muhammad, . A. B., Hassan, . L. G., Aliero, . A. A. & Liman, . M. G. (2018) Optimization of Reaction Variables in situ Transesterification of Jatropha curcas Oilseed in Biodiesel. Nig. J. Basic Appl. Sci., 26 (2), 102-114. doi:10.4314/njbas.v26i2.15



Turabian Style

Obianke, Muibat A, Aminu Bayawa Muhammad, Lawal Gusau Hassan, Adamu A Aliero, and Muhammad Gidado Liman. 2018. Optimization of Reaction Variables in situ Transesterification of Jatropha curcas Oilseed in Biodiesel. Nigerian Journal of Basic and Applied Sciences, 26 (2), 102-114. doi:10.4314/njbas.v26i2.15



Chicago Style

Obianke, Muibat A, Aminu Bayawa Muhammad, Lawal Gusau Hassan, Adamu A Aliero, and Muhammad Gidado Liman. "Optimization of Reaction Variables in situ Transesterification of Jatropha curcas Oilseed in Biodiesel." Nigerian Journal of Basic and Applied Sciences 26 (2018), 102-114. doi:10.4314/njbas.v26i2.15



MLA (The Modern Language Association) Style

Obianke, Muibat A, Aminu Bayawa Muhammad, Lawal Gusau Hassan, Adamu A Aliero, and Muhammad Gidado Liman. "Optimization of Reaction Variables in situ Transesterification of Jatropha curcas Oilseed in Biodiesel." Nigerian Journal of Basic and Applied Sciences 26.2 (2018), 102-114. Print. doi:10.4314/njbas.v26i2.15



APA (American Psychological Association) Style

Obianke, M. A., Muhammad, . A. B., Hassan, . L. G., Aliero, . A. A. & Liman, . M. G. (2018) Optimization of Reaction Variables in situ Transesterification of Jatropha curcas Oilseed in Biodiesel. Nigerian Journal of Basic and Applied Sciences, 26 (2), 102-114. doi:10.4314/njbas.v26i2.15





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