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Reaction Kinetics of Waste Cooking Oil Hydrocracking into Biofuel Using Ni-Impregnated Mesoporous Silica Catalyst.

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Title: Reaction Kinetics of Waste Cooking Oil Hydrocracking into Biofuel Using Ni-Impregnated Mesoporous Silica Catalyst.
Authors: Salamah, Siti1 sitisalamah@che.uad.ac.id, Trisunaryanti, Wega2, Kartini, Indriana2, Purwono, Suryo3
Source: Bulletin of Chemical Reaction Engineering & Catalysis. Oct2025, Vol. 20 Issue 3, p560-568. 9p.
Subjects: Hydrocracking, Mesoporous silica, Nickel catalysts, Green diesel fuels, Edible fats & oils, Activation energy, Chemical kinetics, Biomass energy
Abstract: The growing demand for energy and the scarcity of fossil fuel resources have driven research into alternative fuels, one of which being the conversion of waste cooking oil into biofuel through hydrocracking. This study investigates the reaction kinetics of waste cooking oil hydrocracking using a Ni-impregnated mesoporous silica catalyst. The process was conducted at 450 °C with a hydrogen gas flow to produce products such as green naphtha, green gasoline, and green diesel. The proposed reaction kinetics model was the pseudo-first order, solved using differential and integral methods. The results showed that the first-order reaction provided a more representative outcome, with a reaction rate constant (k') of 0.276 h-1 at 450°C. Additionally, the Arrhenius kinetic model revealed an activation energy of 37.8748 kJ/mol for this process. Thus, this study demonstrates a significant potential of using mesoporous silica catalysts in waste cooking oil hydrocracking to produce environmentally friendly and economically viable biofuels. [ABSTRACT FROM AUTHOR]
Copyright of Bulletin of Chemical Reaction Engineering & Catalysis is the property of Universitas Diponegoro 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: Reaction Kinetics of Waste Cooking Oil Hydrocracking into Biofuel Using Ni-Impregnated Mesoporous Silica Catalyst.
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  Data: <searchLink fieldCode="JN" term="%22Bulletin+of+Chemical+Reaction+Engineering+%26+Catalysis%22">Bulletin of Chemical Reaction Engineering & Catalysis</searchLink>. Oct2025, Vol. 20 Issue 3, p560-568. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Hydrocracking%22">Hydrocracking</searchLink><br /><searchLink fieldCode="DE" term="%22Mesoporous+silica%22">Mesoporous silica</searchLink><br /><searchLink fieldCode="DE" term="%22Nickel+catalysts%22">Nickel catalysts</searchLink><br /><searchLink fieldCode="DE" term="%22Green+diesel+fuels%22">Green diesel fuels</searchLink><br /><searchLink fieldCode="DE" term="%22Edible+fats+%26+oils%22">Edible fats & oils</searchLink><br /><searchLink fieldCode="DE" term="%22Activation+energy%22">Activation energy</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+kinetics%22">Chemical kinetics</searchLink><br /><searchLink fieldCode="DE" term="%22Biomass+energy%22">Biomass energy</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The growing demand for energy and the scarcity of fossil fuel resources have driven research into alternative fuels, one of which being the conversion of waste cooking oil into biofuel through hydrocracking. This study investigates the reaction kinetics of waste cooking oil hydrocracking using a Ni-impregnated mesoporous silica catalyst. The process was conducted at 450 °C with a hydrogen gas flow to produce products such as green naphtha, green gasoline, and green diesel. The proposed reaction kinetics model was the pseudo-first order, solved using differential and integral methods. The results showed that the first-order reaction provided a more representative outcome, with a reaction rate constant (k') of 0.276 h-1 at 450°C. Additionally, the Arrhenius kinetic model revealed an activation energy of 37.8748 kJ/mol for this process. Thus, this study demonstrates a significant potential of using mesoporous silica catalysts in waste cooking oil hydrocracking to produce environmentally friendly and economically viable biofuels. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Bulletin of Chemical Reaction Engineering & Catalysis is the property of Universitas Diponegoro 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: 10.9767/bcrec.20399
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      – Code: eng
        Text: English
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        PageCount: 9
        StartPage: 560
    Subjects:
      – SubjectFull: Hydrocracking
        Type: general
      – SubjectFull: Mesoporous silica
        Type: general
      – SubjectFull: Nickel catalysts
        Type: general
      – SubjectFull: Green diesel fuels
        Type: general
      – SubjectFull: Edible fats & oils
        Type: general
      – SubjectFull: Activation energy
        Type: general
      – SubjectFull: Chemical kinetics
        Type: general
      – SubjectFull: Biomass energy
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      – TitleFull: Reaction Kinetics of Waste Cooking Oil Hydrocracking into Biofuel Using Ni-Impregnated Mesoporous Silica Catalyst.
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            NameFull: Salamah, Siti
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            NameFull: Trisunaryanti, Wega
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            NameFull: Kartini, Indriana
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            NameFull: Purwono, Suryo
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            – D: 01
              M: 10
              Text: Oct2025
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              Y: 2025
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