Patent ID: 6719911
Filing Date: 2004-04-13
Classification: B01D,B03D,C02F

Abstract:
An apparatus for the treatment of a contaminated fluid, comprising:an integral tank; an inlet for introducing a mixture of a flocculent and a contaminated fluid into said tank; a mixer, located in a bottom region of an innermost cylinder in said tank; first stage aerating means, located within said innermost cylinder; a rotary skimmer, located above the fluid level of said innermost cylinder and a second stage aeration cylinder surrounding said innermost cylinder; second stage aerating means, located within said second stage aeration cylinder; a de-aeration baffle, located on the same plane as said rotary skimmer and extending around an outermost cylinder; fluid level control means, located between said second stage aeration cylinder and said outermost cylinder, directing fluid flow from said second stage aeration cylinder out of said tank; powering means for powering said mixer and said rotary skimmer; a first outlet for permitting clear fluid to exit said tank; and a second outlet for permitting waste effluent to exit said tank.