Figures index

From

Application of Eggshell Wastes as a Heterogeneous Catalyst for Biodiesel Production

Achanai Buasri, Nattawut Chaiyut, Vorrada Loryuenyong, Chaiwat Wongweang, Saranpong Khamsrisuk

Sustainable Energy. 2013, 1(2), 7-13 doi:10.12691/rse-1-2-1
  • Figure 1. Preparation of CaO catalyst derived from eggshell waste
  • Figure 2. XRD patterns of the materials obtained by calcining duck eggshell waste in the range of 600-900 C (Symbols: ¢ CaCO3, ♦ CaO)
  • Figure 3. XRD patterns of the materials obtained by calcining (a) chicken, and (b) duck eggshell waste at 900C (Symbols: ♦ CaO)
  • Figure 4. SEM images of the materials obtained by calcining (a) duck, and (b) chicken eggshell waste at 900C
  • Figure 5. Effect of reaction time on %yield of FAME
  • Figure 6. Effect of reaction temperature on %yield of FAME
  • Figure 7. Effect of methanol/oil molar ratio on %yield of FAME
  • Figure 8. Effect of catalyst loading on %yield of FAME
  • Figure 9. Effect of reusability of catalyst on %yield of FAME