The Effects of Isobutanul Addition on Bubble Size, Gas Holdup, Interfacial Area, Bubble Coalescence, and Transition Concentration in Dispersion Column

摘要

The bubble coalescence and the transition concentration in a dispersion column have been experimentally studied in this study work by adopting isobutanol-water mixture as a liquid phase and air as a gas phase. The experimental work included the following experimental variables; the weight percent of isobutanol in water and superficial gas velocity of air. The using of two distributors single-orifice and multi-orifice, bubble size, gas holdup and gas-liquid interfacial area are measured. The experimental results have showed that the isobutanol transition concentration is successfully correlated as a function of superficial air velocity, C_t=0.072079-0.006408U_g+0.000425U_g~2-0.00001U_g~3. This equation gives mean deviation of 4.501%.