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Efficient and Versatile Ru/SBA‐15 Catalysts for Liquid‐Phase Hydrogenation of the C=C and C=O Bonds under Mild Conditions
Author(s) -
Duraczyńska Dorota,
MichalikZym Alicja,
Napruszewska Bogna D.,
Dula Roman,
Socha Robert P.,
LityńskaDobrzyńska Lidia,
Gaweł Adam,
Bahranowski Krzysztof,
Serwicka Ewa M.
Publication year - 2016
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.201600491
Subject(s) - catalysis , x ray photoelectron spectroscopy , ruthenium , raman spectroscopy , high resolution transmission electron microscopy , mesoporous silica , materials science , dispersion (optics) , mesoporous material , adsorption , chemical engineering , desorption , phase (matter) , metal , inorganic chemistry , chemistry , nanotechnology , organic chemistry , metallurgy , physics , optics , transmission electron microscopy , engineering
Ruthenium catalysts (0.2‐2 wt.% Ru) supported on SBA‐15 mesoporous silica were prepared by wet impregnation method and characterized with XRD, nitrogen adsorption/desorption isotherms, TEM/HRTEM, XPS, Raman spectroscopy, and H 2 TPR. The materials were used in liquid phase heterogeneous hydrogenation of acetol, 2‐butanone and methyl 2‐acetamidoacrylate. Catalytic tests were performed in water at ambient temperature and pressure. For all three test reactions the higher catalytic activity was observed for Ru/SBA‐15 catalysts as compared to that of 2 %Ru/SiO 2 reference. The superior properties of SBA‐15 supported catalysts in comparison to the reference catalyst are attributed to the uniform size and good dispersion of Ru nanoparticles formed within the SBA‐15 channels, and to the better reducibility of the oxidized surface layer formed at the surface of Ru metal nanocrystals.