Patent ID: 7837768
Filing Date: 2010-11-23
Classification: B01D,C02F,Y02P

Abstract:
1. A system to purify a waste fluid stream, the system comprising: a recirculation pump having an inlet for a recirculation stream and an outlet to expel a pressurized stream, the recirculation stream comprising a waste fluid stream and a recycled liquid bottoms stream; a compressor having an inlet for an evaporation stream and an outlet for a pressurized evaporation stream; a primary heat exchanger having inlets for the pressurized stream and the pressurized evaporation stream, having an internal surface area for heat transfer from the evaporation stream to the pressurized stream, and having outlets for a cooled evaporation stream and a heated pressurized stream, wherein an evaporation unit having an inlet for the heated pressurized stream and outlets for the evaporation stream and the recycled liquid bottoms stream, wherein