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Adnan Alhathal AlAnezi

Adnan Alhathal AlAnezi

The Public Authority for Applied Education and Training (PAAET), Kuwait

Title: Performance enhancement of tubular membrane module using air bubbling system


Biography: Adnan Alhathal AlAnezi


A new design of air bubbling system was used to enhance the performance of tubular membrane module for water irrigation, where the basic design (without air system) of the membrane module was designed in zigzag mode to achieve a high turbulence flow. The effect of operating parameters, such as the feed temperature (40, 50, 60 and 70ºC), air flow rate (30, 45, 60 and 90 L/h) and feed concentration (1000, 3000 and 5000 mg/L) on the process performance were investigated at constantbfeed flow rate of 60 (L/h). The design proved its capability to increase the heat and mass transfer coefficients. The comparison between the basic module and the enhanced module has been performed in terms of permeate flux and thermal efficiency. The Reynolds number increased 3-fold, which consequently enhanced the mass transfer coefficient 25% and the heat transfer coefficient 2-fold at 90 (L/h) air flow rate compared to the basic module. Additionally, the permeate flux and thermal efficiency were higher than that of the basic module by about 1.4 and 1.5-fold, respectively for 5000 (mg/L) feed concentration.