Electrofluidized Beds in the Filtration Of a Submicron Aerosol

Abstract

A plug-flow model is developed showing the way in which efficiency depends on unfluidized bed height, bed particle size, participate mobility, gas flow rate and applied electric field intensity. This model is successfully correlated with tests in which flow rate, bed particle size, and unfluidized bed height are varied. It is shown that efficiencies better than 90% can be achieved in collecting 0.4 µm DOP with a gas residence time less than 50 msec and a pressure drop of about 10 cm of water.