Patent ID: 9499413
Filing Date: 2016-11-22
CPC Classification: B01D,C02F,E21B,Y02A

Claim Text:
1. An evaporator array for a water treatment system, the evaporator array comprising; a produced water feed and a first evaporator to receive produced water from the produced water feed, a makeup water feed and a second evaporator to receive makeup water from the makeup water feed, an output distillate feed to receive distillate from the first evaporator and the second evaporator, and, a blowdown feed to receive blowdown from the first evaporator and the second evaporator, wherein the first evaporator and the second evaporator each have a working pH, the working pH of the first evaporator being higher than that of the second evaporator, and wherein the blowdown feed is separate from the produced water feed.