How Distinctive Is Utility Power Plant Cooling Water
By Paul R. Puckorius
Are the water treatment needs for comfort cooling towers different from cooling tower water used in the power industry? And, how do metal processing cooling water treatment needs vary from those found in other industries? This article is part of a series of three articles that have examined variations in tower design, materials of construction, and treatment regimens.
In our article in the July/August issue of Industrial Water Treatment, we discussed the steps and procedures needed for successful cooling tower water treatment in oil refineries and chemical plants. Like in the previous articles (May/June and July/August in Industrial Water Treatment), we will follow our “MEOW” program that stands for the specific information needed of the cooling water system to develop a cost-effective water treatment program. The “M” stands for the materials of construction in contact with the cooling water, “E” stands for the equipment design, while “O” stands for the operating conditions of the cooling water system. The “W” is the concentrated cooling tower water.
This article covers the guidelines and considerations that should be considered for power utilities, metal processing, and HVAC (heating, ventilation, air conditioning) cooling tower water treatment.
As in our earlier articles this year, we will examine performance guidelines for cooling tower water treatment programs used by different industries, which includes corrosion, deposit, and microbiological control requirements. As already noted, the level of protection and the impact on the cooling tower water system operation relative to the cooling water chemistry varies between industries.
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