Maximizing n-alkane hydroisomerization: the interplay of phase, feed complexity and zeolite catalyst mixing
Author(s) -
Bart D. Vandegehuchte,
Joris Thybaut,
Johan A. Martens,
Guy Marin
Publication year - 2014
Publication title -
catalysis science and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.635
H-Index - 115
eISSN - 2044-4761
pISSN - 2044-4753
DOI - 10.1039/c4cy01135j
Subject(s) - physisorption , catalysis , microporous material , alkane , zeolite , mixing (physics) , chemistry , saturation (graph theory) , chemical engineering , phase (matter) , materials science , organic chemistry , physics , mathematics , engineering , quantum mechanics , combinatorics
Mixing of zeolites with different pore sizes enhances the yield of skeletal isomers from pure n-alkanes, but this synergic effect is limited in n-alkane mixtures because of preferential adsorption and cracking of the longest molecules. Single-Event MicroKinetic (SEMK) analysis reveals that enhanced yields of skeletal isomers can be obtained even with n-alkane mixtures, provided that the hydroisomerization reaction is performed under liquid-phase reaction conditions. Skeletal isomerization of linear alkanes is an essential process of fossil and renewable hydrocarbon fuel and lubricant production. The SEMK model enables the selection of optimum catalyst formulation and reaction conditions for superior paraffinic wax hydroconversion.
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