%0 Journal Article
%T Pressure Drop Hysteresis of Hydrodynamic States in Packed Tower for Foaming Systems
%A Vijay Sodhi
%A Renu Gupta
%J Bulletin of Chemical Reaction Engineering & Catalysis
%D 2011
%I Diponegoro University
%R 10.9767/bcrec.6.2.828.115-122
%X An experimental investigation was carried out to determine the effects of gas and liquid flow velocities and surface tension on the two-phase phase pressure drop a in a downflow trickle bed reactor. Water and non- Newtonian foaming solutions were employed as liquid phase. More than 240 experimental points for the trickle flow (GCF) and foaming pulsing flow (PF/FPF) regime were obtained for present study. Hydrodynamic characteristics involving two-phase pressure drop significantly influenced by gas and liquid flow rates. For 15 and 30 ppm air-aqueous surfactant solutions, two-phase pressure drop increases with higher liquid and gas flow velocities in trickle flow and foaming/pulsing flow regimes. With decrease in surface tension i.e. for 45 and 60 ppm air-aqueous surfactant systems, two-phase pressure drop increases very sharply during change in regime transition at significantly low liquid and gas velocities. Copyright   2011 BCREC UNDIP. All rights reserved. (Received: 14th March 2011, Revised: 29th June 2011; Accepted: 4th July 2011) [How to Cite: V. Sodhi, and R. Gupta. (2011). Pressure Drop Hysteresis of Hydrodynamic States in Packed Tower for Foaming Systems. Bulletin of Chemical Reaction Engineering & Catalysis, 6(2): 115-122. doi:10.9767/bcrec.6.2.828.115-122] [How to Link / DOI: http://dx.doi.org/10.9767/bcrec.6.2.828.115-122 ] | View in
%K Trickle Bed Reactor
%K Foaming
%K Hydrodynamics
%K Pressure Drop
%U http://ejournal.undip.ac.id/index.php/bcrec/article/view/828