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Correlating metal poisoning with zeolite deactivation in an individual catalyst particle by chemical and phase-sensitive X-ray microscopy.

ABSTRACT: Fluid catalytic cracking (FCC) is the main conversion process used in oil refineries. An X-ray microscopy method is used to show that metal poisoning and related structural changes in the zeolite active material lead to a non-uniform core–shell deactivation of FCC catalyst particles. The study links the detrimental effect of V and Ni poisoning with zeolite destruction and dealumination in a spatial manner within a single FCC catalyst particle.

SUBMITTER: Ruiz-Martinez J 

PROVIDER: S-EPMC3749464 | biostudies-literature | 2013 Jun

REPOSITORIES: biostudies-literature

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Correlating metal poisoning with zeolite deactivation in an individual catalyst particle by chemical and phase-sensitive X-ray microscopy.

Ruiz-Martínez Javier J   Beale Andrew M AM   Deka Upakul U   O'Brien Mathew G MG   Quinn Paul D PD   Mosselmans J Fred W JF   Weckhuysen Bert M BM  

Angewandte Chemie (International ed. in English) 20130424 23

Fluid catalytic cracking (FCC) is the main conversion process used in oil refineries. An X-ray microscopy method is used to show that metal poisoning and related structural changes in the zeolite active material lead to a non-uniform core–shell deactivation of FCC catalyst particles. The study links the detrimental effect of V and Ni poisoning with zeolite destruction and dealumination in a spatial manner within a single FCC catalyst particle. ...[more]

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