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Biodiesel production from waste cooking oil via supercritical methanol: Optimisation and reactor simulation

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Biodiesel production from waste cooking oil via supercritical methanol : Optimisation and reactor simulation. / Aboelazayem, Omar; Gadalla, Mamdouh; Saha, Basudeb.

In: Renewable Energy, Vol. 124, 31.08.2018, p. 144-154.

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Aboelazayem, Omar ; Gadalla, Mamdouh ; Saha, Basudeb. / Biodiesel production from waste cooking oil via supercritical methanol : Optimisation and reactor simulation. In: Renewable Energy. 2018 ; Vol. 124. pp. 144-154.

Bibtex

@article{9240402ad7824f9da31516248faf7d60,
title = "Biodiesel production from waste cooking oil via supercritical methanol: Optimisation and reactor simulation",
abstract = "Biodiesel production using supercritical methanol in the absence of catalyst has been analysed by studying the main factors affecting biodiesel yield. A quadratic polynomial model has been developed using Response Surface Methodology (RSM). Box-Behnken Design (BBD) has been used to evaluate the influence of four independent variables i.e. methanol to oil (M:O) molar ratio, temperature, pressure and time on biodiesel yield. The optimum biodiesel yield is 91% at M:O molar ratio, temperature, pressure and reaction time of 37:1, 253.5oC, 198.5 bar and 14.8 minutes, respectively. Overall reaction kinetics has been studied at optimum conditions concluding a pseudo first order reaction with reaction rate constant of 0.0006 s-1. Moreover, thermodynamics of the reaction has been analysed in the temperature range between 240 and 280oC concluding frequency factor and activation energy of 4.05 s-1 and 50.5 kJ/mol, respectively. A kinetic reactor has been simulated on HYSYS using the obtained kinetic data resulting in 91.7% conversion of triglycerides (TG) with 0.2% relative error from the experimental results.",
author = "Omar Aboelazayem and Mamdouh Gadalla and Basudeb Saha",
year = "2018",
month = aug,
day = "31",
doi = "10.1016/j.renene.2017.06.076",
language = "English",
volume = "124",
pages = "144--154",
journal = "Renewable Energy",
issn = "0960-1481",
publisher = "Elsevier BV",

}

RIS

TY - JOUR

T1 - Biodiesel production from waste cooking oil via supercritical methanol

T2 - Optimisation and reactor simulation

AU - Aboelazayem, Omar

AU - Gadalla, Mamdouh

AU - Saha, Basudeb

PY - 2018/8/31

Y1 - 2018/8/31

N2 - Biodiesel production using supercritical methanol in the absence of catalyst has been analysed by studying the main factors affecting biodiesel yield. A quadratic polynomial model has been developed using Response Surface Methodology (RSM). Box-Behnken Design (BBD) has been used to evaluate the influence of four independent variables i.e. methanol to oil (M:O) molar ratio, temperature, pressure and time on biodiesel yield. The optimum biodiesel yield is 91% at M:O molar ratio, temperature, pressure and reaction time of 37:1, 253.5oC, 198.5 bar and 14.8 minutes, respectively. Overall reaction kinetics has been studied at optimum conditions concluding a pseudo first order reaction with reaction rate constant of 0.0006 s-1. Moreover, thermodynamics of the reaction has been analysed in the temperature range between 240 and 280oC concluding frequency factor and activation energy of 4.05 s-1 and 50.5 kJ/mol, respectively. A kinetic reactor has been simulated on HYSYS using the obtained kinetic data resulting in 91.7% conversion of triglycerides (TG) with 0.2% relative error from the experimental results.

AB - Biodiesel production using supercritical methanol in the absence of catalyst has been analysed by studying the main factors affecting biodiesel yield. A quadratic polynomial model has been developed using Response Surface Methodology (RSM). Box-Behnken Design (BBD) has been used to evaluate the influence of four independent variables i.e. methanol to oil (M:O) molar ratio, temperature, pressure and time on biodiesel yield. The optimum biodiesel yield is 91% at M:O molar ratio, temperature, pressure and reaction time of 37:1, 253.5oC, 198.5 bar and 14.8 minutes, respectively. Overall reaction kinetics has been studied at optimum conditions concluding a pseudo first order reaction with reaction rate constant of 0.0006 s-1. Moreover, thermodynamics of the reaction has been analysed in the temperature range between 240 and 280oC concluding frequency factor and activation energy of 4.05 s-1 and 50.5 kJ/mol, respectively. A kinetic reactor has been simulated on HYSYS using the obtained kinetic data resulting in 91.7% conversion of triglycerides (TG) with 0.2% relative error from the experimental results.

U2 - 10.1016/j.renene.2017.06.076

DO - 10.1016/j.renene.2017.06.076

M3 - Journal article

VL - 124

SP - 144

EP - 154

JO - Renewable Energy

JF - Renewable Energy

SN - 0960-1481

ER -