Patent ID: 8808497
Filing Date: 2014-08-19
Classification: B01D,C02F,Y02W

Abstract:
1. A fluid evaporator for evaporating fluid from an open fluid reservoir, the fluid evaporator comprising: a partially enclosed vessel having an upper chamber and a lower chamber, the vessel arranged to be operatively positioned in the fluid reservoir with the upper chamber disposed above a top surface of the fluid and the lower chamber disposed in the fluid; a first opening through a lower portion of the lower chamber; a gas supply tube extending into the lower chamber and having an air outlet disposed between the opening through the lower portion of the lower chamber and an upper portion of the lower chamber; an exhaust opening through the upper chamber and in fluid communication with the air outlet; and a discharge conduit having an inlet in fluid communication with the lower chamber and an outlet disposed below the lower chamber, the inlet separated from the lower portion of the chamber by a weir; wherein, when operatively positioned in the fluid reservoir, fluid from the fluid reservoir can enter into the lower chamber through the first opening, the air outlet is positioned to inject air into the fluid underneath the top surface, the air injected from the air outlet can exhaust out of the upper chamber through the exhaust opening, and the inlet is located below the top surface of the fluid.