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Numerical simulation of hydrodynamics and cracking reactions in the feed mixing zone of a multiregime gas – solid riser reactor / Jieqing Gan in Industrial & engineering chemistry research, Vol. 50 N° 20 (Octobre 2011) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 50 N° 20 (Octobre 2011) . - pp. 11511-11520 Titre : Numerical simulation of hydrodynamics and cracking reactions in the feed mixing zone of a multiregime gas – solid riser reactor Type de document : texte imprimé Auteurs : Jieqing Gan, Auteur ; Hui Zhao, Auteur ; Abdallah S. Berrouk, Auteur Année de publication : 2011 Article en page(s) : pp. 11511-11520 Note générale : Chimie industrielle Langues : Anglais (eng) Mots-clés : Reactor  Riser  Gas  solid  Mixing  Cracking  Hydrodynamics  Numerical  simulation Résumé : A CFD simulation was performed to evaluate the performance of a novel multiregime gas-solid fluidized riser reactor that was designed to maximize the propylene yield from the catalytic cracking process. Simulation results of the industrial-scale riser reactor show the coexistence of different regimes in the reactor. Also, both the outlet product compositions and the reaction rate vectors indicate that the cracking reactions mainly take place in the feed injection section. The product quality and distribution demonstrate the superiority of this novel process technology. The results of the CFD simulations are in good agreement with the test run results of a real industrial FCC reactor. DEWEY : 660 ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=24612373 [article] Numerical simulation of hydrodynamics and cracking reactions in the feed mixing zone of a multiregime gas – solid riser reactor [texte imprimé] / Jieqing Gan, Auteur ; Hui Zhao, Auteur ; Abdallah S. Berrouk, Auteur . - 2011 . - pp. 11511-11520. Chimie industrielle Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 50 N° 20 (Octobre 2011) . - pp. 11511-11520 Mots-clés : Reactor  Riser  Gas  solid  Mixing  Cracking  Hydrodynamics  Numerical  simulation Résumé : A CFD simulation was performed to evaluate the performance of a novel multiregime gas-solid fluidized riser reactor that was designed to maximize the propylene yield from the catalytic cracking process. Simulation results of the industrial-scale riser reactor show the coexistence of different regimes in the reactor. Also, both the outlet product compositions and the reaction rate vectors indicate that the cracking reactions mainly take place in the feed injection section. The product quality and distribution demonstrate the superiority of this novel process technology. The results of the CFD simulations are in good agreement with the test run results of a real industrial FCC reactor. DEWEY : 660 ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=24612373