| abstract |
The invention relates to a preparation method of embedded alkaline earth metal oxide solid base and its application in biodiesel production, belonging to the technical field of biodiesel production. The present invention firstly synthesizes an alkaline earth metal organic framework with single or multiple alkaline earth metals (Mg, Ca, Sr) as the central metal element, and then controls the heating process under a non-oxidizing atmosphere to perform high-temperature pyrolysis, so that the alkaline earth metal oxides are embedded in nanometers. From the carbon flakes, a solid base catalyst is obtained, which is used to catalyze the transesterification of palm oil and methanol to produce biodiesel. The active site of the solid base obtained by the invention is anchored on the nano-sized carbon sheet, which not only exposes the active site directly on the surface of the catalyst, improves the catalytic activity, but also inhibits the loss of the active site and strengthens the stability of the solid base catalyst. . In terms of the biodiesel production process, the preparation method is simple, the operation is convenient, the production cost is reduced, the environmental pollution is alleviated, and the industrial application prospect is good. |