Nickel supported
on silica and Raney nickel was used. Hydrogenation was carried out of compounds
with >C=C< bond and -NO¬2 bond in
different solvents with different degree of deactivation of the nickel
catalysts.
It is shown the
usability of the method for analysis of poisoning behavior not only for gas
reaction, but also for the liquid phase hydrogenation. It was shown that
catalyst support as well as the media has a significant effect on the poisoning
behavior.
It was
demonstrated while different reducible groups are hydrogenating there is
different poisoning behavior
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