Abstract
The liquid phase hydrogenation of cinnamaldehyde has been carried out over various non-calcined layered double hydroxides with Cu 2+ /Ni 2+ /Mg 2+ /Al 3+ molar ratios in the synthesis mixture from 1:0:1:1 to 0:1:1:1. The substitution of Cu 2+ and Ni 2+ cations in the hydrotalcite matrix has strong influences on the catalytic properties of LDH samples reduced at 150°C. The catalytic activity increases with copper content, while the selectivity to cinnamyl alcohol (CNOL) increases with nickel content. It was assumed that the pair Cu o -Ni 2+ could play an important role in the mechanism of cinamaldehyde (CNA) hydrogenation. Also, the influence of other factors such as the activation conditions and the nature of solvent was studied. It was observed that the dielectric constant of solvent strongly influences the CNA conversion and the selectivity to CNOL. The recycling test indicated that these catalysts are stable and they can be reused.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
