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The present work deals with evaluation of the catalytic properties of polyvanadate xerogels deposited on titanium dioxide (anatase). Xerogels of polyvanadates in the form of nanofibers were obtained by sol‐gel method. The average sizes of polyvanadate nanoparticles in aqueous solution determined by DLS were equal to 7 and 50 nm. TEM results reveal the formation of nanostructured thin layers of polyvanadates...
Catalyst based on palladium nanoparticles and poly(propyleneimine) (PPI) dendrimers immobilized on mesoporous phenol‐formaldehyde support was synthesized. Catalytic characteristics were evaluated in the hydrogenation of 1‐octyne, 4‐octyne, and 1‐hexyne. High selectivity for alkenes (up to 99%) was achieved. Synthesized hybrid catalyst can be recycled without a loss of activity and additional regeneration...
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