�²/Al-MCM-41 molecular sieve was synthesized and used to catalyze the esterification\nof oleic acid with short chain alcohols such as methanol, ethanol, isopropanol\nand isobutanol to obtain biodiesel. The results indicated that �²/Al-MCM-41 exhibited\nthe excellent catalytic activity and stability, which was obviously superior to\ntraditional Al-MCM-41. The relationship between acidity and catalytic activity was\nin detail examined by NH3-TPD and Py-FTIR. Moreover, the kinetics of esterification\nof oleic acid with methanol showed that the average reaction order n was 1.97\nand that activation energy was 50.01 kJ/mol.
Loading....