The need to conserve water and maintain equipment has forced us to deal with an increasingly difficult problem: How to control scale and corrosion in waters of lessening quality. Much of the existing literature deals with very large facilities where economies of scale allow for process changes. For many facilities, this is not economically feasible and other methods have to be found. Cooling towers are water saving devices, therefore, they are a natural place to look for additional water savings. Product formulators are continually asked to improve scale control and increase cycles of concentration. Developing a single product or treatment program for a variety of applications is extremely difficult, given the variety of sources and the constantly changing character of these makeup sources.
Alternate sources of water, and sources previously discarded as unusable must be included as possible sources of makeup for cooling towers. Economical ways need to be created to help all consumers of water to achieve greater water savings. Custom formulations can easily be created using software and expertise. Water soluble polymers are being increasingly utilized in formulation for stressed conditions. Being aware of potential interactions with the source water, and available software, one can design formulations for every water consumer to meet their needs quickly and easily. This approach is much less costly and much better for some smaller consumers that are unable to make large process changes.
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