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Experimental and modeling analysis of methane partial oxidation: transient and steady-state behavior of rh-coated honeycomb monoliths
Dipartiemento Energia- Politecnico di Milano.
Dipartiemento Energia- Politecnico di Milano.
Dipartiemento Energia- Politecnico di Milano.
Dipartiemento Energia- Politecnico di Milano.
Vise andre og tillknytning
2009 (engelsk)Inngår i: Industrial & Engineering Chemistry Research, ISSN 0888-5885, E-ISSN 1520-5045, Vol. 48, nr 8, s. 3825-3836Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The present study consists of an experimental and theoretical study of the performance of Rh-coated honeycomb monoliths for methane partial oxidation. The thermal behavior of Rh-coated honeycomb monoliths was studied under representative operating conditions, at steady state and during light-off. Model analysis (based on a dynamic heterogeneous reactor model that incorporates a kinetic scheme of the process independently developed, and well-assessed correlations for heat and mass transfer) provided a key for interpreting the observed effects. The comprehension of how transport phenomena and surface kinetics affect the reactor behavior leads to the conclusion that the feasibility of small-scale production of syngas via CH(4) catalytic partial oxidation relies on thermal management of the short contact time reactor and not the obtainment of high syngas yields (which is not a challenging task). Severe operating conditions (and high surface temperatures) can deplete the catalyst activity and cause unstable reactor operation. Guidelines for optimal reactor design are proposed.

sted, utgiver, år, opplag, sider
2009. Vol. 48, nr 8, s. 3825-3836
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Identifikatorer
URN: urn:nbn:se:kth:diva-84742DOI: 10.1021/ie8017143ISI: 000264991100014OAI: oai:DiVA.org:kth-84742DiVA, id: diva2:499563
Merknad
QC 20120216Tilgjengelig fra: 2012-02-13 Laget: 2012-02-13 Sist oppdatert: 2017-12-07bibliografisk kontrollert

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