Xue, Bao-jin; Luo, Jia; Zhang, Fan; Fang, Zhen - In: Energy 68 (2014) C, pp. 584-591
Heterogeneous CaFe2O4–Ca2Fe2O5-based catalyst with weak magnetism was prepared by co-precipitation and calcination. It …, respectively under the optimized conditions (373 K, 30 min, 15/1 methanol/oil molar ratio and 4 wt% catalyst). The catalysts could …–Fe3O4–Fe catalyst, and 78.2% biodiesel yield was obtained. The magnetic CaFe2O4–Ca2Fe2O5-based catalyst shows a potential …