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Sustainable production of biodiesel from waste cooking oil using magnesium oxide nano catalyst: An optimization study

  • 0Chemical Engineering Department, Egyptian Academy for Engineering and Advanced Technology (EA&EAT) affiliated to Ministry of Military Production, Km 3 Cairo Belbeis Desert Rd, Cairo, 3066, Egypt.
Scientific Reports +

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September 24, 2024

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September 24, 2024

View abstract on PubMed

Summary

This summary is machine-generated.

This study details the synthesis of nano magnesium oxide (MgO) as an effective catalyst for biodiesel production from waste cooking oil. Optimized conditions yielded high biodiesel production, demonstrating a sustainable biofuel alternative.

Area Of Science

  • Chemical Engineering
  • Materials Science
  • Renewable Energy

Background

  • Biodiesel is a key renewable energy source, with waste cooking oil emerging as a cost-effective feedstock.
  • Nano magnesium oxide (MgO) shows promise as a catalyst for biodiesel production due to its catalytic activity, low cost, and environmental benefits.

Purpose Of The Study

  • To synthesize and characterize nano magnesium oxide (MgO) using the sol-gel method.
  • To optimize biodiesel production from waste cooking oil using the synthesized nanocatalyst via response surface methodology.

Main Methods

  • Sol-gel synthesis of nano magnesium oxide (MgO).
  • Characterization of the synthesized nanocatalyst.
  • Response surface methodology (RSM) to determine optimal reaction conditions (methanol to oil ratio, temperature, time).
  • Gas chromatography-mass spectrometry (GC-MS) and Fourier transform infrared spectroscopy (FTIR) for biodiesel characterization.

Main Results

  • Optimal conditions for biodiesel production were identified as a 7:1 methanol to oil ratio, 50°C temperature, and 60 minutes reaction time.
  • The quadratic model demonstrated a good fit with an R-squared value of 92%.
  • Predicted biodiesel yields closely matched actual experimental values, validating the model's consistency.

Conclusions

  • Nano magnesium oxide (MgO) is a viable and efficient catalyst for biodiesel production from waste cooking oil.
  • The established response surface methodology models accurately predict biodiesel yield, confirming the process's reliability.
  • This research supports the development of sustainable biofuel production using waste materials and advanced catalytic processes.

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