Chemical imaging of the sulfur-induced deactivation of Cu/ZnO catalyst bodies
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- 作者：Andrew M. Bealea ; b ; c ; andrew.beale@ucl.ac.uk" class="auth_mail ; Emma K. Gibsonb ; c ; Matthew G. O&rsquo ; Briena ; Simon D.M. Jacquesc ; d ; Robert J. Cernikd ; Marco Di Michiele ; Paul D. Cobdenf ; Ö ; zlem Pirgon-Galinf ; Leon van de Waterg ; Michael J. Watsong ; Bert M. Weckhuysena ; b.m.weckhuysen@uu.nl" class="auth_mail
- 关键词：Catalyst bodies ; Cu/ZnO ; Poisoning ; X-ray imaging
- 刊名：Journal of Catalysis
- 出版年：May 2014
- 年：2014
- 卷：314
- 期：Complete
- 页码：94-100
- 全文大小：1207 K
文摘
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Effects of Sulfur poisoning on water–gas shift activity of Cu/ZnO catalyst bodies investigated.
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XRD, EXAFS, and XRF imaging revealed the presence of sulfur-containing crystalline phases.
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Active Cu/ZnO component shrinks with increasing [H
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Migration of Cu in the form of CuS and toward the sample periphery also occurs.