An Imhoff tank is a two-compartment tank used in sewage treatment. Sedimentation takes place in the upper compartment which is designed as a series of channels and from which the solids fall to a lower compartment in which digestion takes place.
*This definition was reprinted by permission from the "Dictionary of Filtration and Separation". The "Dictionary" contains over 1500 definitions and 400 diagrams and photos. More information on the "Dictionary" and order form can be found here.