The steam reforming of acetol on Ni/La2O3-Al2O3 studied by transient and isotopic methods

Klito C. Petallidou; Kalliopi Kousi; Michalis A. Vasiliades; Christina Papadopoulou; Angelos M. Efstathiou

Catalysis Communications (Jun 2023)

The steam reforming of acetol on Ni/La2O3-Al2O3 studied by transient and isotopic methods

Klito C. Petallidou,
Kalliopi Kousi,
Michalis A. Vasiliades,
Christina Papadopoulou,
Angelos M. Efstathiou

Affiliations

Klito C. Petallidou: Department of Chemistry, Heterogeneous Catalysis Laboratory, University of Cyprus, University Campus, P.O. Box 20537, CY 1678, Nicosia, Cyprus; Climate and Atmosphere Research Centre, The Cyprus Institute, 2121 Nicosia, Cyprus
Kalliopi Kousi: Department of Chemistry, University of Patras, GR 26504, Patras, Greece; School of Chemistry and Chemical Engineering, University of Surrey, Guildford GU2 7XH, UK
Michalis A. Vasiliades: Department of Chemistry, Heterogeneous Catalysis Laboratory, University of Cyprus, University Campus, P.O. Box 20537, CY 1678, Nicosia, Cyprus
Christina Papadopoulou: Department of Chemistry, University of Patras, GR 26504, Patras, Greece
Angelos M. Efstathiou: Department of Chemistry, Heterogeneous Catalysis Laboratory, University of Cyprus, University Campus, P.O. Box 20537, CY 1678, Nicosia, Cyprus; Corresponding author.

Journal volume & issue: Vol. 179
p. 106696

Abstract

Read online

Operando-SSITKA (Mass spectrometry-DRIFTS) and other isotopic experiments were employed to investigate the steam reforming of acetol on 10-wt% Ni/La2O3-Al2O3 at 500 °C. A large concentration (1 1) participates in the reaction path of H2 formation, while a significantly larger amount (H-content larger than 1.4 mmol H g−1) appeared as inactive species. The nature of the majority of active intermediates comprised of -CHx and -CxHy formed on both the Ni and support phases, and which are associated with a small mean rate constant (kapp = 0.075 min−1) towards H2(g) formation (D2O-SSITKA).

Published in Catalysis Communications

ISSN: 1566-7367 (Print); 1873-3905 (Online)
Publisher: Elsevier
Country of publisher: Netherlands
LCC subjects: Science: Chemistry
Website: https://www.journals.elsevier.com/catalysis-communications

About the journal

Abstract

Keywords