Fig. 4
From: Optimizing Al/Zn ratios in K2O/Zn-Aluminate catalysts for enhanced biodiesel production efficiency

FTIR spectra of produced biodiesel using K₂O/Zn-Al₂O₄ with varying Al/Zn ratios.
From: Optimizing Al/Zn ratios in K2O/Zn-Aluminate catalysts for enhanced biodiesel production efficiency

FTIR spectra of produced biodiesel using K₂O/Zn-Al₂O₄ with varying Al/Zn ratios.