Single and combined Fluidized Catalytic Cracking (FCC) catalyst deactivation by iron and calcium metal–organic contaminants.

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Title: Single and combined Fluidized Catalytic Cracking (FCC) catalyst deactivation by iron and calcium metal–organic contaminants.
Authors: Mathieu, Yannick1, Corma, Avelino1 acorma@itq.upv.es, Echard, Michaël2, Bories, Marc2
Source: Applied Catalysis A: General. Jan2014, Vol. 469, p451-465. 15p.
Subjects: Catalytic cracking, Iron catalysts, Calcium, Toxicology of iron, Iron clusters, Thermal stability, Catalyst selectivity
Abstract: Highlights: [•] Depending on iron concentration, poisoning and/or pore blocking phenomena occur. [•] Iron species nature is a key parameter which influences the deposition profile. [•] Iron clusters catalyze dehydrogenation reactions and enhance coke selectivity. [•] Calcium contamination decreases the hydrothermal stability of FCC catalysts. [•] No synergetic effect between iron and calcium contamination was highlighted. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
Description
Abstract:Highlights: [•] Depending on iron concentration, poisoning and/or pore blocking phenomena occur. [•] Iron species nature is a key parameter which influences the deposition profile. [•] Iron clusters catalyze dehydrogenation reactions and enhance coke selectivity. [•] Calcium contamination decreases the hydrothermal stability of FCC catalysts. [•] No synergetic effect between iron and calcium contamination was highlighted. [ABSTRACT FROM AUTHOR]
ISSN:0926860X
DOI:10.1016/j.apcata.2013.10.007