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Journal Article

Synthesis and catalytic performance of CeOCl in Deacon reaction

MPS-Authors
http://pubman.mpdl.mpg.de/cone/persons/resource/persons21502

Farra,  Ramzi
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons21557

Girgsdies,  Frank
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons21518

Frandsen,  Wiebke
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons22071

Schlögl,  Robert
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons22163

Teschner,  Detre
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Fulltext (public)

CeOCl_Catal.Lett_rv.pdf
(Any fulltext), 908KB

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Citation

Farra, R., Girgsdies, F., Frandsen, W., Hashagen, M., Schlögl, R., & Teschner, D. (2013). Synthesis and catalytic performance of CeOCl in Deacon reaction. Catalysis Letters, 143(10), 1012-1017. doi:10.1007/s10562-013-1085-4.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0014-1CF4-6
Abstract
Surface chlorinated CeO2 is an efficient material for HCl oxidation, which raises the question whether an oxychloride phase could be also active in the same reaction. CeOCl was synthesized by solid state reaction of cerium oxide with anhydrous cerium chloride and tested in HCl oxidation using various feed compositions at 703 K. X-ray diffraction of post-reaction samples revealed that CeOCl is unstable, in both oxygen-rich and -lean conditions. Applying oxygen over-stoichiometric feeds led to complete transformation of CeOCl into CeO2. Considerable HCl conversions were obtained only after this transformation, which confirms the essential role of bulk cerium oxide in this catalytic system.