Sie befinden Sich nicht im Netzwerk der Universität Paderborn. Der Zugriff auf elektronische Ressourcen ist gegebenenfalls nur via VPN oder Shibboleth (DFN-AAI) möglich. mehr Informationen...
CO sub(2) Gasification Rates of Petroleum Coke in a Pressurized Flat-Flame Burner Entrained-Flow Reactor
Ist Teil von
Energy & fuels, 2014-07, Vol.28 (7), p.4447-4457-4447-4457
Erscheinungsjahr
2014
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
Two petcoke samples were gasified by CO sub(2) at total pressures of 10 and 15 atm in a high-pressure flat-flame burner reactor at conditions where the bulk phase consisted of either 40 or 90 mol % CO sub(2) with gas temperatures up to 1909 K. Particle diameters of 45-75 mu m were used in the experiments. The morphology of the two petroleum coke chars was drastically different and evaluated using scanning electron microscopy images of the chars. The mass release data caused by CO sub(2) gasification of the petcoke chars were fit to a global first-order model, and the optimal kinetic parameters are reported. The CO sub(2) char gasification rates of both petcokes were shown to be higher than Illinois #6 coal when reacted at conditions of high temperature and pressure, even though most reactivity comparisons between petcoke and coal at lower temperature, pressure, and heating rates typically result in coal being more reactive.