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Regali, Francesco,1971-
(författare)
Effect of metal loading on activity, selectivity and deactivation behavior of Pd/silica-alumina catalysts in the hydroconversion of n-hexadecane [Elektronisk resurs]
- E-artikel/E-kapitelEngelska2014
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LIBRIS-ID:x5rs99g0v6mpgw29
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http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-129965uri
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urn:nbn:se:kth:diva-129965urn
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10.1016/j.cattod.2013.08.028doi
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<p>QC 20140213. Updated from accepted to published.</p>
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Published
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Energimyndigheten
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gratis
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Bifunctional catalysts consisting of palladium on amorphous silica-alumina with different metal loadings (0 wt% to 1.2 wt%) were compared in the hydrocracking/hydroisomerization of n-hexadecane. The reaction conditions were: pressure = 30 bar; temperature = 310 degrees C; hydrogen-to-hexadecane feed molar ratio = 10. Metal loading was found to have a remarkable influence on the initial deactivation rate, which could be related to the formation of carbonaceous deposits. The dependence of activity on the metal-acid site ratio was the typical one for bifunctional hydrocracking where, after reaching a threshold value, the catalytic activity does not appreciably increase with increasing metal loading. On the Pd-containing catalysts, the methane space-time-yield showed a strong dependence on conversion, but no clear relationship with metal surface area, indicating that the formation of methane might not proceed by purely metal-catalyzed hydrogenolysis.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Liotta, Leonarda Francesca
(författare)
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Venezia, Anna Maria
(författare)
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Montes, Vicente
(författare)
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Boutonnet, Magali
(författare)
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Järås, Sven
(författare)
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KTHSkolan för kemivetenskap (CHE)
(utgivare)
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Del av/supplement till:channel record
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Ingår i:VärdpublikationCatalysis Today223, 87-960920-5861
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