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The present chapter reports a comprehensive review and analysis of the use of nanoparticles (NPs) in biodiesel production, emphasizing their catalytic roles, impact on sustainability, and implications for engine performance and environmental health. Biodiesel, derived from renewable sources, is an eco-friendly alternative to fossil fuels. However, challenges in production costs and environmental impact persist. Introducing nanotechnology, specifically nanoparticle catalysts, offers a transformative effect on catalysis and energy applications. NPs enhance catalytic efficiency due to their high surface area and active site density, thus accelerating biodiesel yield and optimizing fuel properties for improved combustion in diesel engines. The chapter also explores the various types of nanocatalysts, such as metal oxides, mixed metal oxides, and magnetic hybrid NPs, highlighted for their unique catalytic benefits, including reusability, eco-friendliness, and cost-effectiveness in large-scale applications. The key factors (synthesis factors: techniques, pH, pressure, temperature, and size) influencing NP’s efficiency in biodiesel production are discussed. The impact of NPs additives on biodiesel’s physicochemical properties, combustion efficiency, and emissions showed improved engine performance and reduced pollutant outcomes. Moreover, the analysis extends to environmental and health risks posed by NPs due to their ability to infiltrate biological systems and accumulate, potentially causing oxidative stress and mutagenicity. The need for regulatory and safety standards, including guidelines on NPs concentration, emissions testing, life cycle assessment, and waste management, are highlighted. The challenges and opportunities in integrating nanotechnology within biofuel production were discussed, suggesting that while NPs can greatly enhance biodiesel’s performance and environmental compatibility, their deployment requires cautious regulatory oversight and ongoing research. Finally, the dual potential of NPs in driving biofuel innovation while promoting balanced, safe, and sustainable applications are discussed.

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Nanoparticles in Biodiesel Production and Engine Use: A Path toward Sustainable and Eco-Friendly Fuel

  • 章节

  • 发表日期：

    2026年

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  • K. N. Krishnamurthy,
  • B. S. Ajith,
  • Venkatesh Birur Jayanna,
  • G. C. Manjunath Patel,
  • Selçuk Sarıkoç

摘要

The present chapter reports a comprehensive review and analysis of the use of nanoparticles (NPs) in biodiesel production, emphasizing their catalytic roles, impact on sustainability, and implications for engine performance and environmental health. Biodiesel, derived from renewable sources, is an eco-friendly alternative to fossil fuels. However, challenges in production costs and environmental impact persist. Introducing nanotechnology, specifically nanoparticle catalysts, offers a transformative effect on catalysis and energy applications. NPs enhance catalytic efficiency due to their high surface area and active site density, thus accelerating biodiesel yield and optimizing fuel properties for improved combustion in diesel engines. The chapter also explores the various types of nanocatalysts, such as metal oxides, mixed metal oxides, and magnetic hybrid NPs, highlighted for their unique catalytic benefits, including reusability, eco-friendliness, and cost-effectiveness in large-scale applications. The key factors (synthesis factors: techniques, pH, pressure, temperature, and size) influencing NP’s efficiency in biodiesel production are discussed. The impact of NPs additives on biodiesel’s physicochemical properties, combustion efficiency, and emissions showed improved engine performance and reduced pollutant outcomes. Moreover, the analysis extends to environmental and health risks posed by NPs due to their ability to infiltrate biological systems and accumulate, potentially causing oxidative stress and mutagenicity. The need for regulatory and safety standards, including guidelines on NPs concentration, emissions testing, life cycle assessment, and waste management, are highlighted. The challenges and opportunities in integrating nanotechnology within biofuel production were discussed, suggesting that while NPs can greatly enhance biodiesel’s performance and environmental compatibility, their deployment requires cautious regulatory oversight and ongoing research. Finally, the dual potential of NPs in driving biofuel innovation while promoting balanced, safe, and sustainable applications are discussed.