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This study focuses on investigating the feasibility of converting waste tomato oil into biodiesel by employing calcium oxide (CaO) derived from calcined Asian Green Mussel (Perna viridis) shells as a catalyst in the process of transesterification. The calcined green catalyst, AGM-derived CaO, was characterized with X-ray Diffraction and X-ray Fluorescence to determine its composition. Furthermore, Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES) was used to compare its purity with a control catalyst (CaO; purity: > 95%). Strategic refinement of catalyst concentration, reaction duration, temperature, and methanol-to-oil ratio systematically enhances the efficiency of biodiesel synthesis by optimizing various reaction parameters. Using Minitab Statistical Software Version 21.1.0, adjustments were made to the various reaction parameters involved in the biodiesel production process. Optimal biodiesel yield was obtained in run order number 25 (60 min reaction time; 50 ℃; 3 wt.%; 1:4 methanol-to-oil ratio) producing a 95.39% yield. The produced biodiesel was assessed for its physico-chemical properties through ASTM test to align to standard B100 biodiesel. The knowledge obtained from this investigation seeks to improve the process of biodiesel production and highlight the potential of utilizing unconventional catalysts derived from natural waste materials for sustainable energy solutions.

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Potential of Waste Tomato Oil as Feedstock for Biodiesel Production Using Asian Green Mussel Shells (Perna viridis) as a Catalyst

  • 会议论文

  • 发表日期：

    2025年

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  • Daniel Ross Amar,
  • Maria Angelica Cullado,
  • Donnabelle Marin,
  • John Fritz Nelmida,
  • Marje-Hanna Nohay,
  • Leslie Ann G. Palagar,
  • Jayson Binay,
  • Jerry Olay,
  • Rugi Vicente Rubi

摘要

This study focuses on investigating the feasibility of converting waste tomato oil into biodiesel by employing calcium oxide (CaO) derived from calcined Asian Green Mussel (Perna viridis) shells as a catalyst in the process of transesterification. The calcined green catalyst, AGM-derived CaO, was characterized with X-ray Diffraction and X-ray Fluorescence to determine its composition. Furthermore, Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES) was used to compare its purity with a control catalyst (CaO; purity: > 95%). Strategic refinement of catalyst concentration, reaction duration, temperature, and methanol-to-oil ratio systematically enhances the efficiency of biodiesel synthesis by optimizing various reaction parameters. Using Minitab Statistical Software Version 21.1.0, adjustments were made to the various reaction parameters involved in the biodiesel production process. Optimal biodiesel yield was obtained in run order number 25 (60 min reaction time; 50 ℃; 3 wt.%; 1:4 methanol-to-oil ratio) producing a 95.39% yield. The produced biodiesel was assessed for its physico-chemical properties through ASTM test to align to standard B100 biodiesel. The knowledge obtained from this investigation seeks to improve the process of biodiesel production and highlight the potential of utilizing unconventional catalysts derived from natural waste materials for sustainable energy solutions.