Abstract
Furfural Hydrogenation on Alloyed Copper Catalysts With Additives of Ferrosilicium
Highlights
The results of numerous investigations that we conducted before1-4, showed that ferroalloyssemi products of metallurgy plants may well be used as modifiers to increase the activity of alloyed copper catalysts, furfural hydrogenation to furfuryl alcohol (FA)
The present work is a continuation of previous investigations and is dedicated to the study of influence of ferrosilicium additives [FA*ferroalloy containing (% mass): 46.8 Si, ~53,0 Fe, other are (C, P, S) impurities] on the activity of alloyed Gu-Al = 50-50 catalyst in the reaction of furfural hydrogenation under hydrogen pressure
The results of physical-chemical and adsorptive investigations of alloys and catalysts show that FA* additives in alloys form additional compound of MeA1 structure, which is included in partially leached type of catalysts; pulverize crystals of skeletal copper, increase specific surface, pore volume and size of their effective radii, sorption properties by H2, reducing the solidity of its second basic form
Summary
The results of numerous investigations that we conducted before, showed that ferroalloyssemi products of metallurgy plants may well be used as modifiers to increase the activity of alloyed copper catalysts, furfural hydrogenation to furfuryl alcohol (FA). The present work is a continuation of previous investigations and is dedicated to the study of influence of ferrosilicium additives [FA*ferroalloy containing (% mass): 46.8 Si, ~53,0 Fe, other are (C, P, S) impurities] on the activity of alloyed Gu-Al = 50-50 catalyst in the reaction of furfural hydrogenation under hydrogen pressure. Original alloys were prepared by known technology. The catalysts were prepared from 1g alloys by leaching it with 20% of aqueous solution of caustic soda in boiling water-bath during 1 hour. The phase composition and structure of alloys were investigated by means of roentgenographic and Xray spectrum methods
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