Aiming at developing an efficient catalyst for selective dehydrogenation of benzyl alcohol into benzaldehyde in the absence of O 2 and H 2 acceptor, a series of Cu/MgO catalysts with Cu loading of 1, 3, 5, and 7% have been prepared, of which the 5% Cu/MgO catalyst in the gas phase exhibited a remarkable performance with 98% conversion and 97% selectivity and in support of the performance, the catalysts have been characterized by different techniques like BET surface area analysis, XRD, TEM, CO 2 -TPD, N 2 O pulse chemisorption, XPS and TPR.

25 weight% ZrO2/SBA-15 catalyst exhibits good activity in the catalytic transfer hydrogenation of levulinic acid under vapour phase conditions at atmospheric pressure.

Al 2 O 3 and MgO supported Pd catalysts with 6 wt % loading are prepared by the wet impregnation method. The catalysts are made into two parts; one of them is dried at 110 °C, and the other one is calcined at 500 °C. Conversion of CCl 2 F 2 in hydrogen is carried out under identical reaction conditions on both dried and calcined catalysts after the catalysts are prereduced in H 2 at 400 °C for 3h. The fresh and the used catalysts are characterized by BET-surface area, X-ray diffraction (XRD), temperature programmed reduction (TPR), temperature programmed desorption (TPD) of NH 3 , and X-ray photoelectron spectroscopy (XPS). XPS data shows that surface Pd species are more in MgO supported catalyst than in Al 2 O 3 supported one. In used catalysts, surface Fconcentration is more on MgO than on Al 2 O 3 supported Pd catalyst. The MgO supported Pd catalyst (dried) showed higher reactivity and CH 2 F 2 selectivity compared to other catalysts. MgO support is found to be superior to Al 2 O 3 support for Pd for the reaction.

An efficient route for the transformation of levulinic acid without an external hydrogen source in a continuous process over supported Ni catalysts.