Study on the Catalytic Performance of 3-Hydroxypropionaldehyde to 1,3-Propanediol over Ni/Hydrogen Mordenite by Different Method

Abstract

The catalyst for conversion of 3-hydroxypropionaldehyde to 1,3-propanediol was prepared by dry mixing, wet mixing, ion exchange and impregnation, respectively. The catalysts were characterized by transmission electron microscope and temperature programmed reduction and their catalytic performances for 3-hydroxypropionaldehyde to 1,3-propanediol were also studied. The results showed that, the carrier of hydrogen mordenite does not undermine its structure with introduction of Ni particles, the skeleton remains of its original features, the conversion of 3-hydroxypropionaldehyde was proportional with the dispersion of Ni on the catalyst, the stability of catalytic activity was related the binding force between the active sites of Ni with the carrier, the selectivity of 1,3-propanediol was more favorable with more Ni in the outer surface of the carrier.