System and method for purifying an aqueous stream

Gas separation: processes – Liquid contacting – And degasification of a liquid

Reexamination Certificate

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Details

C095S014000, C095S166000, C095S186000, C095S204000, C095S243000, C095S251000, C095S258000, C095S259000, C096S156000, C096S173000, C096S181000, C096S218000, C096S243000, C165S108000, C210S085000, C210S103000, C210S134000, C210S149000, C210S180000, C210S182000, C210S195100, C210S259000, C210S743000, C210S758000, C210S774000, C210S805000, C210S806000, C202S161000, C202S182000, C202S185100, C202S197000, C203S028000, C203S039000, C208S187000

Reexamination Certificate

active

07837768

ABSTRACT:
A system and method are disclosed for purifying a waste fluid stream. The system includes a recirculation pump having an inlet for a recirculation stream and an outlet to expel a pressurized stream. The system includes a compressor having an inlet for an evaporation stream and an outlet for a pressurized evaporation stream. A primary heat exchanger has inlets for the pressurized stream and the pressurized evaporation stream, an internal surface area for heat transfer from the evaporation stream to the pressurized stream, and outlets for a cooled product stream and a heated pressurized stream. The heated pressurized stream is formed by heating the pressurized stream and the cooled product stream is formed by cooling the evaporation stream. The system includes an evaporation unit having an inlet for the heated pressurized stream and outlets for an evaporation stream and the recycled liquid bottoms stream.

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