Removal of organometallic compounds from natural feedstock by surface organometallic chemistry on metals: Hydrogenolysis of AsPh3 on nickel supported on alumina

Yuri Anton Ryndin; Jean Pierre Candy; Blaise Didillon; Laurent Savary; Jean-Marie Maurice Basset

doi:10.1016/S1387-1609(00)01136-1

Removal of organometallic compounds from natural feedstock by surface organometallic chemistry on metals: Hydrogenolysis of AsPh₃ on nickel supported on alumina

Yuri Anton Ryndin, Jean Pierre Candy^*, Blaise Didillon, Laurent Savary, Jean-Marie Maurice Basset

^*Corresponding author for this work

Physical Sciences and Engineering

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

6 Scopus citations

Abstract

Hydrogenolysis of triphenylarsine (AsPh₃) on Ni/Al₂O₃ at 172 °C and 6 bars of hydrogen occurs selectively on the nickel particles and not on the alumina support. According to the kinetic, magnetic and XRD data, the reaction of AsPh₃ with the surface Ni_s-H produces benzene and the surface organometallic fragments Ni_s-[AsPh_x]_y. Stepwise hydrogenolyis of these fragments leads progressively, with time, to the formation of arsenic 'adatoms', which migrate rapidly inside the nickel particles. The reaction is stopped after complete formation of a well defined Ni-As alloy, which has been fully characterized by X-ray diffraction.

Original language	English (US)
Pages (from-to)	423-427
Number of pages	5
Journal	Comptes Rendus de l'Academie des Sciences - Series IIc: Chemistry
Volume	3
Issue number	6
DOIs	https://doi.org/10.1016/S1387-1609(00)01136-1
State	Published - Jan 1 2000

Keywords

Arsenic removal
AsPh hydrogenolysis on Ni
Surface organometallic chemistry on metals

ASJC Scopus subject areas

Chemistry(all)

Access to Document

10.1016/S1387-1609(00)01136-1

Cite this

Ryndin, Y. A., Candy, J. P., Didillon, B., Savary, L., & Basset, J-M. M. (2000). Removal of organometallic compounds from natural feedstock by surface organometallic chemistry on metals: Hydrogenolysis of AsPh₃ on nickel supported on alumina. Comptes Rendus de l'Academie des Sciences - Series IIc: Chemistry, 3(6), 423-427. https://doi.org/10.1016/S1387-1609(00)01136-1

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title = "Removal of organometallic compounds from natural feedstock by surface organometallic chemistry on metals: Hydrogenolysis of AsPh3 on nickel supported on alumina",

abstract = "Hydrogenolysis of triphenylarsine (AsPh3) on Ni/Al2O3 at 172 °C and 6 bars of hydrogen occurs selectively on the nickel particles and not on the alumina support. According to the kinetic, magnetic and XRD data, the reaction of AsPh3 with the surface Nis-H produces benzene and the surface organometallic fragments Nis-[AsPhx]y. Stepwise hydrogenolyis of these fragments leads progressively, with time, to the formation of arsenic 'adatoms', which migrate rapidly inside the nickel particles. The reaction is stopped after complete formation of a well defined Ni-As alloy, which has been fully characterized by X-ray diffraction.",

keywords = "Arsenic removal, AsPh hydrogenolysis on Ni, Surface organometallic chemistry on metals",

author = "Ryndin, {Yuri Anton} and Candy, {Jean Pierre} and Blaise Didillon and Laurent Savary and Basset, {Jean-Marie Maurice}",

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Ryndin, YA, Candy, JP, Didillon, B, Savary, L & Basset, J-MM 2000, 'Removal of organometallic compounds from natural feedstock by surface organometallic chemistry on metals: Hydrogenolysis of AsPh₃ on nickel supported on alumina', Comptes Rendus de l'Academie des Sciences - Series IIc: Chemistry, vol. 3, no. 6, pp. 423-427. https://doi.org/10.1016/S1387-1609(00)01136-1

Removal of organometallic compounds from natural feedstock by surface organometallic chemistry on metals: Hydrogenolysis of AsPh₃ on nickel supported on alumina. / Ryndin, Yuri Anton; Candy, Jean Pierre; Didillon, Blaise et al.
In: Comptes Rendus de l'Academie des Sciences - Series IIc: Chemistry, Vol. 3, No. 6, 01.01.2000, p. 423-427.

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

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T2 - Hydrogenolysis of AsPh3 on nickel supported on alumina

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AB - Hydrogenolysis of triphenylarsine (AsPh3) on Ni/Al2O3 at 172 °C and 6 bars of hydrogen occurs selectively on the nickel particles and not on the alumina support. According to the kinetic, magnetic and XRD data, the reaction of AsPh3 with the surface Nis-H produces benzene and the surface organometallic fragments Nis-[AsPhx]y. Stepwise hydrogenolyis of these fragments leads progressively, with time, to the formation of arsenic 'adatoms', which migrate rapidly inside the nickel particles. The reaction is stopped after complete formation of a well defined Ni-As alloy, which has been fully characterized by X-ray diffraction.

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