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Kinetics and simulation of biodiesel production using a geopolymer heterogenous catalyst.

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Title: Kinetics and simulation of biodiesel production using a geopolymer heterogenous catalyst.
Authors: Mwenge, Pascal1 (AUTHOR) 211124052@edu.vut.ac.za, Djemima, Bulanga1 (AUTHOR), Zwane, Simphiwe1 (AUTHOR), Muthubi, Salvation1 (AUTHOR), Rutto, Hilary1 (AUTHOR), Seodigeng, Tumisang1 (AUTHOR)
Source: Journal of Environmental Science & Health. Part A. Toxic/Hazardous Substances & Environmental Engineering. 2024, Vol. 59 Issue 9, p499-511. 13p.
Subject Terms: Tubular reactors, Edible fats & oils, Catalytic activity, Stearin, Transesterification
Abstract: This work aims to develop a comprehensive kinetic and simulation study of biodiesel production using waste cooking oil (WCO) catalyzed by blast furnace slag geopolymer (BFSG) as a heterogeneous catalyst. The kinetic investigation was established following the pseudo-first and second-order model using three reaction parameters, namely, the reaction temperature (40–60 °C), reaction time (4–8 h) and catalyst ratio (6–14 wt.%), while maintaining a constant methanol-to-oil composition of 40 wt.%. The geopolymer-catalyzed transesterification process was simulated using ChemCAD version 8.1.0, which incorporates the four major triglycerides (triolein, tripalmitin, tristearin and triolein) of WCO. The results of the transesterification reaction of WCO in a kinetic plug flow reactor (PFR) demonstrated a good fit of the data, with an R2 above 0.96 in both cases. The pseudo-first-order (PFO) model revealed a more favorable reaction pathway, with an activation energy of 58.876 kJ.mol−1, as opposed to the value of 131.369 kJ.mol−1 obtained from the pseudo-second-order (PSO) analysis. The catalytic activity of BFSG yielded a maximum conversion of 99.18% at a 12 wt.% catalyst ratio. The study results demonstrated the effectiveness of the transesterification process catalyzed by BFSG as a promising low-cost technology for the biodiesel industry. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Environmental Science & Health. Part A. Toxic/Hazardous Substances & Environmental Engineering is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Kinetics and simulation of biodiesel production using a geopolymer heterogenous catalyst.
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  Data: <searchLink fieldCode="AR" term="%22Mwenge%2C+Pascal%22">Mwenge, Pascal</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> 211124052@edu.vut.ac.za</i><br /><searchLink fieldCode="AR" term="%22Djemima%2C+Bulanga%22">Djemima, Bulanga</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zwane%2C+Simphiwe%22">Zwane, Simphiwe</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Muthubi%2C+Salvation%22">Muthubi, Salvation</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Rutto%2C+Hilary%22">Rutto, Hilary</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Seodigeng%2C+Tumisang%22">Seodigeng, Tumisang</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Environmental+Science+%26+Health%2E+Part+A%2E+Toxic%2FHazardous+Substances+%26+Environmental+Engineering%22">Journal of Environmental Science & Health. Part A. Toxic/Hazardous Substances & Environmental Engineering</searchLink>. 2024, Vol. 59 Issue 9, p499-511. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Tubular+reactors%22">Tubular reactors</searchLink><br /><searchLink fieldCode="DE" term="%22Edible+fats+%26+oils%22">Edible fats & oils</searchLink><br /><searchLink fieldCode="DE" term="%22Catalytic+activity%22">Catalytic activity</searchLink><br /><searchLink fieldCode="DE" term="%22Stearin%22">Stearin</searchLink><br /><searchLink fieldCode="DE" term="%22Transesterification%22">Transesterification</searchLink>
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  Data: This work aims to develop a comprehensive kinetic and simulation study of biodiesel production using waste cooking oil (WCO) catalyzed by blast furnace slag geopolymer (BFSG) as a heterogeneous catalyst. The kinetic investigation was established following the pseudo-first and second-order model using three reaction parameters, namely, the reaction temperature (40–60 °C), reaction time (4–8 h) and catalyst ratio (6–14 wt.%), while maintaining a constant methanol-to-oil composition of 40 wt.%. The geopolymer-catalyzed transesterification process was simulated using ChemCAD version 8.1.0, which incorporates the four major triglycerides (triolein, tripalmitin, tristearin and triolein) of WCO. The results of the transesterification reaction of WCO in a kinetic plug flow reactor (PFR) demonstrated a good fit of the data, with an R2 above 0.96 in both cases. The pseudo-first-order (PFO) model revealed a more favorable reaction pathway, with an activation energy of 58.876 kJ.mol−1, as opposed to the value of 131.369 kJ.mol−1 obtained from the pseudo-second-order (PSO) analysis. The catalytic activity of BFSG yielded a maximum conversion of 99.18% at a 12 wt.% catalyst ratio. The study results demonstrated the effectiveness of the transesterification process catalyzed by BFSG as a promising low-cost technology for the biodiesel industry. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Environmental Science & Health. Part A. Toxic/Hazardous Substances & Environmental Engineering is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1080/10934529.2024.2429953
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        Text: English
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        PageCount: 13
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      – SubjectFull: Tubular reactors
        Type: general
      – SubjectFull: Edible fats & oils
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      – SubjectFull: Catalytic activity
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      – SubjectFull: Transesterification
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      – TitleFull: Kinetics and simulation of biodiesel production using a geopolymer heterogenous catalyst.
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              Text: 2024
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