Effect of Adding Alcohols, Superficial Gas Velocity and Solid-Suspended on Design Parameters in Circulation Loop Bubble Columns
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 30, Vol 2, Issue 12
Abstract
The influence of superficial gas velocity and the addition of alcohols with respect to oxygen mass transfer (KLa), and gas hold-up (ɛg) in circulation loop bubble column using three aqueous solutions of 10% concentration methanol, ethanol and isopropanol as liquids were investigated. The column was constructed using a plexiglass tube of inner diameter of 0.9m and 1.3m in height with draught tube. The ratio of draught tube diameter to the column diameter equals 0.5 and the air dispersion into the base of the draught tubeusing a porous gas distributor. The various gas velocities (0.01-0.1) m/sec are used and the results were compared in the case of using water only without the addition of alcohols .The solid particles (polyethylene 3.4mm particle diameter and the density 853.5 Kg/m3 ) were added to the liquid in the column. The concentration of solid particles was (50) kg/m3 . From experimental observations, (ɛg) and (KLa) increase with increasing gas velocity and with the coalescence inhibition of liquid.
Authors and Affiliations
Internal Loop Bubble
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