Process for conditioning recirculated evaporative cooling water

Details Process for conditioning recirculated evaporative cooling water Process for conditioning recirculated evaporative cooling water

1996-07-01

1998-03-24

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210668, 210743, 210765, C02F 900

Patent

active

057308799

ABSTRACT:
A process for conditioning recirculated evaporative cooling water in a cooling water system. The process reduces the amount of make-up water required during the operation of this system as compared to conventional water treatment systems. The process includes the steps of determining the pH of saturation. A strong cation exchange media is used in a controlled sidestream and operated so that the pH of the recirculated cooling water is within about a plus or minus 0.4 of the pH of saturation. The system avoids the necessity of storing acid at the water treatment site and also significantly reduces the amount of make-up water required.

REFERENCES:
patent: 4532045 (1985-07-01), Littman
patent: 4931187 (1990-06-01), Derham et al.
patent: 5145585 (1992-09-01), Coke

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