The Process and Water Quality Specialists
The fundamentals of each process can be described as follows.
Air stripping involves transfer of contaminants from the water to the air phase. The assumptions in the development of the design equations for packed tower aeration include
The design equations for tower diameter and packing height for an air stripping tower to meet treatment targets are well developed in the literature (see for example, Crittenden et al., 2005, for citations to the relevant literature). There are several models available for air stripping design calculations. One challenge associated with air stripping as a cost effective solution is the requirement to treat the off-gas. Air stripping is commonly applied to strip carbon dioxide from RO treated water, which is dead soft and often contains high levels of dissolved CO2.