Potassium salt prepared AMO-MgxAl-LDH(K) (x = 2–5) have been studied as catalyst precursors for biodiesel synthesis. Calcined potassium salt prepared [AMO-Mg0.75Al0.25(OH)2](CO3)0.17K0.01 {AMO-Mg3Al-LDH(K)} with high surface area (366.1 m2 g−1) and… Click to show full abstract
Potassium salt prepared AMO-MgxAl-LDH(K) (x = 2–5) have been studied as catalyst precursors for biodiesel synthesis. Calcined potassium salt prepared [AMO-Mg0.75Al0.25(OH)2](CO3)0.17K0.01 {AMO-Mg3Al-LDH(K)} with high surface area (366.1 m2 g−1) and Lewis basicity density (2.87 μmol m−2) catalyses the transesterification of sunflower oil with methanol to yield fatty acid methyl esters (FAMEs) after 300 minutes (99%), a much higher performance than conventional LDHs.
               
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