Choosing the Right Disinfection Technology for a Municipal Drinking Water Plant

Managers of water treatment plants in the United States are very aware of the challenges they face to meet today's standards for potable drinking water. They must deal with increasingly stringent regulations from the federal government on down to perhaps even tougher rules at state and local levels. One only has to go on the U.S. Environmental Protection Agency (USEPA) web site (www.epa.gov) to see the incredible scope of what concerns this regulatory body today.
This article does not claim to be a cure-all for the entire water industry's problems, but it addresses one key aspect: the basic factors that influence the selection of a disinfection technology.
The obvious place to start is by looking at the nature of the raw water source that the utility uses. The next important consideration is the rules and regulations that are being promulgated with regard to drinking water. The final step is to take a look at the common technologies existing today for disinfection as well as oxidation, and the supplementary role of filtration. Hybrid solutions combining two different techniques may prove to be the best answer for difficult treatment problems.

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