Where does the sulphur go? Deactivation of a low temperature CO oxidation catalyst by sulphur poisoning

Szanyi, Janos; Mei, Donghai; Varga, Tamas; Peden, Charles HF; Heo, Iljeong; Oh, Se H.; Kim, Chang H.

doi:10.1007/s10562-018-2343-2

Where does the sulphur go? Deactivation of a low temperature CO oxidation catalyst by sulphur poisoning

Journal Article · Tue May 01 00:00:00 EDT 2018 · Catalysis Letters

DOI:https://doi.org/10.1007/s10562-018-2343-2· OSTI ID:1770156

Szanyi, Janos ^[1]; ^[1]; ^[1]; ^[1]; Heo, Iljeong ^[2]; Oh, Se H. ^[3]; Kim, Chang H. ^[4]

BATTELLE (PACIFIC NW LAB)
University of Michigan
General Motors Research and Development
GENERAL MOTORS CORP.

Sulphate formation, occurring preferentially at the CuO/CeOx-ZrOx interface, is responsible for the deactivation of low temperature CO oxidation catalysts. XRD, FTIR and isotope exchange experiments, as well as DFT calculations, reveal the poisoning mechanism of sulphate formation on the CeOx/ZrOx support material. JS, DM, TV and CHFP gratefully acknowledge the U.S. Department of Energy (DOE), Office of Energy Efficiency and Renewable Energy, Vehicle Technologies Program for the support of their participation in this work. Their studies were performed in the Environmental Molecular Sciences Laboratory (EMSL), a national scientific user facility sponsored by the DOE’s Office of Biological and Environmental Research, and located at Pacific Northwest National Laboratory (PNNL). PNNL is operated for the U.S. DOE by Battelle under contract number DE-AC05-76RL01830.

Research Organization:: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC05-76RL01830

OSTI ID:: 1770156

Report Number(s):: PNNL-SA-130691

Journal Information:: Catalysis Letters, Journal Name: Catalysis Letters Journal Issue: 5 Vol. 148

Country of Publication:: United States

Language:: English

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