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Kinetic evaluation of the set of reactions in the selective hydrogenation of 1-butyne and 1,3-butadiene in presence of n-butenes
(American Chemical Society, 2013-05-25)
The selective hydrogenation in the liquid phase of 1-butyne and 1,3-butadiene in the presence of n-butenes over a commercial Pd/Al 2O3 egg-shell catalyst has been studied. Although hydrogenation of the n-butenes and their ...
Selective hydrogenation of 1,3-butadiene: Improvement of selectivity by using additives
(Elsevier Science Sa, 2004-05)
The objective of this work is to evaluate the behavior of isoprene as an additive to improve selectivity in the selective hydrogenation of 1,3-butadiene from 1-butene-rich cuts. To this end, the liquid-phase hydrogenation ...
Experimental procedure for kinetic studies on egg-shell catalystsThe case of liquid-phase hydrogenation of 1,3-butadiene and n-butenes on commercial Pd catalysts
(Elsevier Science, 2001-01-20)
A study of the liquid-phase hydrogenation of 1,3-butadiene on commercial Pd/Al2O3 catalysts of the “egg-shell” type has been performed. Experimental conditions (40◦C, 4 atm and high conversion of the di-olefin) were selected ...
Evaluating Pd–Ni layered catalysts for selective hydrogenation of 1,3-butadiene: a theoretical perspective
(Elsevier Science, 2014-07)
The partial hydrogenation of 1,3-butadiene (13BD) to several C4H8 products, including 1-butene (1B), 2-butene (2B) and butan-1,3-diyl (B13R), on both Pd/Ni(1 1 1) and Pd3/Ni(1 1 1) bimetallic surfaces was theoretically ...
A theoretical view of 1,3-butadiene selective hydrogenation toward cis-2-butene on PdNi layered catalyst
(Elsevier Science, 2015-10)
The production of cis-2-butene (cis-2B) on Pd/Ni(1 1 1) bimetallic model was evaluated considering two possible reactions: through the hydrogenation of 1,3-butadiene (13BD) adsorbed on a cis-geometry site and through the ...
Liquid-phase selective hydrogenation of hexa-1,5-diene and hexa-1,3-diene on palladium catalysts. Effect of tin and silver addition
(Academic Press IncSan DiegoEUA, 2000)
Heterogeneous catalytic ethanol transformation into chemicals: Some Brazilian contributions
(2021-01-01)
Described here are the ethanol heterogeneous catalytic transformations to higher value-added products such as hydrogen (H2), ethylene (C2H4), Guerbet condensation products (mostly 1-butanol), the Lebedev dehydration product ...
Vapor-phase Catalytic Conversion Of Ethanol Into 1,3-butadiene On Cr-ba/mcm-41 Catalysts
(BRAZILIAN SOC CHEMICAL ENGSAO PAULO, 2015)
Density functional theory study for the cycloaddition of 1,3-butadienes with dimethyl acetylenedicarboxylate. Polar stepwise vs concerted mechanisms
(2002)
The molecular mechanisms for the cycloaddition reactions of four low activated 1,3-butadiene systems (1,3-butadiene, (E)-1,3-pentadiene, (Z)-1,3-pentadiene, and 4-methyl-1,3-pentadiene) with dimethyl acetylenedicarboxylate ...