Open AccessModelling of Catalyst Pellet Deactivation: An Irreversible Chemisorption Model
Author(s) -
Alena Brunovská,
Ján Buriánek,
Ján Ilavský,
J. Valtýni
Publication year - 1986
Publication title -
adsorption science and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.682
H-Index - 36
eISSN - 2048-4038
pISSN - 0263-6174
DOI - 10.1177/026361748600300310
Subject(s) - pellet , chemisorption , chemistry , catalysis , diffusion , catalyst poisoning , adsorption , thiophene , chemical engineering , thermodynamics , inorganic chemistry , catalyst support , organic chemistry , composite material , materials science , engineering , physics
Deactivation caused by irreversible chemisorption of a catalyst poison of a single catalyst pellet is studied. Diffusion and shell progressive models are discussed. A numerical procedure is proposed and theoretical and experimental results are compared. Experimental data are obtained by measuring concentration and temperature time dependences due to thiophene poisoning in benzene hydrogenation over Ni/alumina catalyst in one pellet CSTR reactor.