Rare behaviour of a catalyst pellet catalyst dynamics

K.R. Westerterp; R.A. Loonen; A. Martens

doi:10.1016/0009-2509(86)87200-1

Rare behaviour of a catalyst pellet catalyst dynamics

K.R. Westerterp
, R.A. Loonen
, A. Martens

University of Twente

Research output: Contribution to journal › Article › Academic

6 Citations (Scopus)

157 Downloads (Pure)

Abstract

Temperature overshoots and undershoots were found for a Pd on alumina catalyst pellet in its course towards a new steady state after a change in concentration of one of the reactants ethylene or hydrogen. When cooling the pellet, after heat-up by reaction, with pure hydrogen a sudden temperature peak appears after a short time. A mathematical model is introduced, which can explain the over- and undershoots by slow ad- or desorption on the active sites of the catalyst of one of the reactants.

Original language	Undefined
Pages (from-to)	1117-1122
Journal	Chemical engineering science
Volume	41
Issue number	4
DOIs	https://doi.org/10.1016/0009-2509(86)87200-1
Publication status	Published - 1986

Keywords

IR-69731

Access to Document

10.1016/0009-2509(86)87200-1

Westerterp86rare

Cite this

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title = "Rare behaviour of a catalyst pellet catalyst dynamics",

abstract = "Temperature overshoots and undershoots were found for a Pd on alumina catalyst pellet in its course towards a new steady state after a change in concentration of one of the reactants ethylene or hydrogen. When cooling the pellet, after heat-up by reaction, with pure hydrogen a sudden temperature peak appears after a short time. A mathematical model is introduced, which can explain the over- and undershoots by slow ad- or desorption on the active sites of the catalyst of one of the reactants.",

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T1 - Rare behaviour of a catalyst pellet catalyst dynamics

AU - Westerterp, K.R.

AU - Loonen, R.A.

AU - Martens, A.

PY - 1986

Y1 - 1986

N2 - Temperature overshoots and undershoots were found for a Pd on alumina catalyst pellet in its course towards a new steady state after a change in concentration of one of the reactants ethylene or hydrogen. When cooling the pellet, after heat-up by reaction, with pure hydrogen a sudden temperature peak appears after a short time. A mathematical model is introduced, which can explain the over- and undershoots by slow ad- or desorption on the active sites of the catalyst of one of the reactants.

AB - Temperature overshoots and undershoots were found for a Pd on alumina catalyst pellet in its course towards a new steady state after a change in concentration of one of the reactants ethylene or hydrogen. When cooling the pellet, after heat-up by reaction, with pure hydrogen a sudden temperature peak appears after a short time. A mathematical model is introduced, which can explain the over- and undershoots by slow ad- or desorption on the active sites of the catalyst of one of the reactants.

KW - IR-69731

U2 - 10.1016/0009-2509(86)87200-1

DO - 10.1016/0009-2509(86)87200-1

M3 - Article

SN - 0009-2509

VL - 41

SP - 1117

EP - 1122

JO - Chemical engineering science

JF - Chemical engineering science

IS - 4

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