The selective hydrogenation of acetylene in the presence of carbon monoxide over Ni and Ni-Zn supported on MgAl2O4

David L. Trimm; Noel W. Cant; Irene O Y Liu

doi:10.1016/j.cattod.2011.06.025

The selective hydrogenation of acetylene in the presence of carbon monoxide over Ni and Ni-Zn supported on MgAl₂O₄

David L. Trimm, Noel W. Cant^*, Irene O Y Liu

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

30 Citations (Scopus)

Abstract

The effect of gaseous carbon monoxide on the hydrogenation of acetylene over Ni supported on MgAl₂O₄ in the presence and absence of zinc dopants has been investigated. Both carbon monoxide and zinc inhibit activity to a considerable extent. Carbon monoxide also lowers the selectivity to ethane substantially. Zinc causes some reduction in selectivity in the absence of carbon monoxide but only at very high conversions when it is present.

Original language	English
Pages (from-to)	181-186
Number of pages	6
Journal	Catalysis Today
Volume	178
Issue number	1
DOIs	https://doi.org/10.1016/j.cattod.2011.06.025
Publication status	Published - 15 Dec 2011

Keywords

Acetylene hydrogenation
Carbon monoxide inhibition
Nickel-zinc catalyst
Selectivity

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10.1016/j.cattod.2011.06.025

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abstract = "The effect of gaseous carbon monoxide on the hydrogenation of acetylene over Ni supported on MgAl2O4 in the presence and absence of zinc dopants has been investigated. Both carbon monoxide and zinc inhibit activity to a considerable extent. Carbon monoxide also lowers the selectivity to ethane substantially. Zinc causes some reduction in selectivity in the absence of carbon monoxide but only at very high conversions when it is present.",

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PY - 2011/12/15

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N2 - The effect of gaseous carbon monoxide on the hydrogenation of acetylene over Ni supported on MgAl2O4 in the presence and absence of zinc dopants has been investigated. Both carbon monoxide and zinc inhibit activity to a considerable extent. Carbon monoxide also lowers the selectivity to ethane substantially. Zinc causes some reduction in selectivity in the absence of carbon monoxide but only at very high conversions when it is present.

AB - The effect of gaseous carbon monoxide on the hydrogenation of acetylene over Ni supported on MgAl2O4 in the presence and absence of zinc dopants has been investigated. Both carbon monoxide and zinc inhibit activity to a considerable extent. Carbon monoxide also lowers the selectivity to ethane substantially. Zinc causes some reduction in selectivity in the absence of carbon monoxide but only at very high conversions when it is present.

KW - Acetylene hydrogenation

KW - Carbon monoxide inhibition

KW - Nickel-zinc catalyst

KW - Selectivity

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The selective hydrogenation of acetylene in the presence of carbon monoxide over Ni and Ni-Zn supported on MgAl₂O₄

Abstract

Keywords

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