2015
DOI: 10.1016/j.ultsonch.2015.01.013
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Ultrasound assisted biodiesel production from sesame (Sesamum indicum L.) oil using barium hydroxide as a heterogeneous catalyst: Comparative assessment of prediction abilities between response surface methodology (RSM) and artificial neural network (ANN)

Abstract: The present study estimates the prediction capability of response surface methodology (RSM) and artificial neural network (ANN) models for biodiesel synthesis from sesame (Sesamum indicum L.) oil under ultrasonication (20 kHz and 1.2 kW) using barium hydroxide as a basic heterogeneous catalyst. RSM based on a five level, four factor central composite design, was employed to obtain the best possible combination of catalyst concentration, methanol to oil molar ratio, temperature and reaction time for maximum FAM… Show more

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Cited by 185 publications
(75 citation statements)
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“…The number of hidden neurons was determined by testing several neural networks iteratively until the root mean square error (RMSE) value of the output was minimized [8,22]. The experimental data set was divided into two subsets: training set and testing set [21].…”
Section: Model Development and Optimizationmentioning
confidence: 99%
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“…The number of hidden neurons was determined by testing several neural networks iteratively until the root mean square error (RMSE) value of the output was minimized [8,22]. The experimental data set was divided into two subsets: training set and testing set [21].…”
Section: Model Development and Optimizationmentioning
confidence: 99%
“…One key advantage of ANN is that it can be used to predict outputs of a new input data set once a data set has been trained well by a neural network. ANNs have been successfully applied as a modeling tool in many research areas, including esterification [19] and transesterification [8,20,21] processes. In the work of Betiku and Ajala [8] in which the efficacy of ANN was tested, the authors used calcined unripe plantain peel as a heterogeneous catalyst, yellow oleander oil and methanol for the transesterification reaction.…”
Section: Introductionmentioning
confidence: 99%
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“…32,34,35 Among the variables and according to Table 2, temperature is the most significant factor (P < 0.01), while extraction time is significant. Additionally, the individual effects of HCl and phosphoric acid are statistically insignificant.…”
Section: Optimization Using Rsm Methodologymentioning
confidence: 99%
“…b, k, and e are the regression coefficient, number of factors studied, and random error, respectively. 32,33,42 The data obtained from the CCD were analyzed in terms of tungsten levels in the solutions using the Design Expert (version 7.0.0, STAT-EASE Inc., Minneapolis, MN, USA) software package, and all runs were analyzed in triplicate using the method of ICP-MS.…”
Section: Optimization Of the Extraction Conditions With Experimental mentioning
confidence: 99%