Patent ID: 8096531

Claim:
An apparatus for treating liquid by exposing the liquid to gas, the apparatus comprising: a) a pipe having an enclosure positioned in-line with said pipe, wherein a sealed space is defined in said enclosure; b) an aeration means positioned within said sealed space and partially submerged in the liquid medium flowing from said pipe and said enclosure, wherein said aeration means comprises one or more parallel shafts, at least one first disc positioned axially on one of said shafts, at least one second disc positioned axially on another of said shafts, wherein said second disc is interleaved relative to said first disc, and wherein a surface of said first disc rotates in a direction opposite a surface of said second disc relative to each other resulting in a mixing area therebetween; and c) at least one blower, said blower disposed in a position enabling an effect therefrom on the barometric pressure in said sealed space.