A new high temperature reactor for operando XAS: Application for the dry reforming of methane over Ni/ZrO2 catalyst | Zendy

Antonio AguilarTapia | Zendy; Samy OuldChikh | Zendy; Eric Lahéra | Zendy; Alain Prat | Zendy; William Delnet | Zendy; Olivier Proux | Zendy; Isabelle Kieffer | Zendy; JeanMarie Basset | Zendy; Kazuhiro Takanabe | Zendy; JeanLouis Hazemann | Zendy

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A new high temperature reactor for operando XAS: Application for the dry reforming of methane over Ni/ZrO2 catalyst

Author(s) -

Antonio AguilarTapia,

Samy OuldChikh,

Eric Lahéra,

Alain Prat,

William Delnet,

Olivier Proux,

Isabelle Kieffer,

JeanMarie Basset,

Kazuhiro Takanabe,

JeanLouis Hazemann

Publication year - 2018

Publication title -

review of scientific instruments

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.605

H-Index - 165

eISSN - 1089-7623

pISSN - 0034-6748

DOI - 10.1063/1.4998929

Subject(s) - beamline , microreactor , x ray absorption spectroscopy , methane , materials science , synchrotron radiation , absorption spectroscopy , absorption (acoustics) , synchrotron , fluorescence spectroscopy , spectroscopy , catalysis , analytical chemistry (journal) , nuclear engineering , fluorescence , chemistry , optics , physics , organic chemistry , composite material , beam (structure) , quantum mechanics , engineering

The construction of a high-temperature reaction cell for operando X-ray absorption spectroscopy characterization is reported. A dedicated cell was designed to operate as a plug-flow reactor using powder samples requiring gas flow and thermal treatment at high temperatures. The cell was successfully used in the reaction of dry reforming of methane (DRM). We present X-ray absorption results in the fluorescence detection mode on a 0.4 wt. % Ni/ZrO catalyst under realistic conditions at 750 °C, reproducing the conditions used for a conventional dynamic microreactor for the DRM reaction. The setup includes a gas distribution system that can be fully remotely operated. The reaction cell offers the possibility of transmission and fluorescence detection modes. The complete setup dedicated to the study of catalysts is permanently installed on the Collaborating Research Groups French Absorption spectroscopy beamline in Material and Environmental sciences (CRG-FAME) and French Absorption spectroscopy beamline in Material and Environmental sciences at Ultra-High Dilution (FAME-UHD) beamlines (BM30B and BM16) at the European Synchrotron Radiation Facility in Grenoble, France.

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