Air Sparging Inside the Membrane Module
Air injection inside a membrane module was
introduced to be applied in tubular and hollow
fibre membranes. The flux enhancement after using
gas-liquid two phase flow in the tubular ultra-filtration
membrane was mentioned due to internal fouling
reduction [44],[45]. The same benefits of bubbling
injection inside membrane modules for bentonite
filtration despite the difference hydrodynamics
between tubular and hollow fibre membranes were
found [46].