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Studies on performance of crossflow concentric-ring rotating bed / Guang Q. Wang in Industrial & engineering chemistry research, Vol. 48 N° 23 (Décembre 2009) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 48 N° 23 (Décembre 2009) . - pp. 10643–10649 Titre : Studies on performance of crossflow concentric-ring rotating bed Type de document : texte imprimé Auteurs : Guang Q. Wang, Auteur ; Yun Q. Jiao, Auteur ; Zhi C. Xu, Auteur Année de publication : 2010 Article en page(s) : pp. 10643–10649 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : Studies--Performance--Crossflow--Concentric-Ring--Rotating  Bed Résumé : A new kind of high-gravity device—crossflow concentric-ring rotating bed was developed, of which the rotor contains a series of perforated concentric rings. In operation, the gas could repeatedly crosscurrently make contact with the dispersed liquid flow between the concentric rings. The rotor structures and flow arrangements determine the device’s potential features, such as lower pressure drop and power consumption, which, together with the multiple-contact mechanism, are favorable to gas−liquid stripping processes. In a pilot crossflow concentric-ring rotating bed, the performance of the rotor was investigated under different operation conditions. The experimental results show that the pressure drop Δp, the power consumption P, and the mass transfer coefficient kLa fall within the range of 0.03−1.02 kPa, 0.65−1.08 kW, and 0.027−0.071 s−1, respectively. Empirical correlations based upon the experimental data were proposed to describe the dependence of pressure drop and power consumption on operation parameters. Compared with packed columns and spray contactor, the crossflow concentric-ring rotating bed has great advantages in mass transfer, equipment size, and gas/liquid loading despite the additional energy consumption. Moreover, the crossflow concentric-ring rotating bed shows lower pressure drop, power consumption, and mass transfer coefficient than that of counterflow or crossflow rotating packed beds. However, considering that stripping makes no high demand on mass transfer, crossflow concentric-ring rotating bed can be a promising option in performing stripping processes. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie900956r [article] Studies on performance of crossflow concentric-ring rotating bed [texte imprimé] / Guang Q. Wang, Auteur ; Yun Q. Jiao, Auteur ; Zhi C. Xu, Auteur . - 2010 . - pp. 10643–10649. Industrial chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N° 23 (Décembre 2009) . - pp. 10643–10649 Mots-clés : Studies--Performance--Crossflow--Concentric-Ring--Rotating  Bed Résumé : A new kind of high-gravity device—crossflow concentric-ring rotating bed was developed, of which the rotor contains a series of perforated concentric rings. In operation, the gas could repeatedly crosscurrently make contact with the dispersed liquid flow between the concentric rings. The rotor structures and flow arrangements determine the device’s potential features, such as lower pressure drop and power consumption, which, together with the multiple-contact mechanism, are favorable to gas−liquid stripping processes. In a pilot crossflow concentric-ring rotating bed, the performance of the rotor was investigated under different operation conditions. The experimental results show that the pressure drop Δp, the power consumption P, and the mass transfer coefficient kLa fall within the range of 0.03−1.02 kPa, 0.65−1.08 kW, and 0.027−0.071 s−1, respectively. Empirical correlations based upon the experimental data were proposed to describe the dependence of pressure drop and power consumption on operation parameters. Compared with packed columns and spray contactor, the crossflow concentric-ring rotating bed has great advantages in mass transfer, equipment size, and gas/liquid loading despite the additional energy consumption. Moreover, the crossflow concentric-ring rotating bed shows lower pressure drop, power consumption, and mass transfer coefficient than that of counterflow or crossflow rotating packed beds. However, considering that stripping makes no high demand on mass transfer, crossflow concentric-ring rotating bed can be a promising option in performing stripping processes. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie900956r