Pd/Si-K10 and Pd/MCM-41 were prepared by exchange in organic media of mesop
orous Si modified K10 clay and Na-Al-MCM-41 and the efficiency of these cat
alysts versus microporous Pd/Y-zeolite is reported in the hydrogenation in
the liquid phase of olefins, acetylenes and semi-hydrogenation of acetylene
s. (C) 1999 Elsevier Science B.V. All rights reserved.