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While most efforts at producing pure water are aimed at removing minerals, these processes do not necessarily remove organic compounds. There is an increasing awareness of the kinds of trouble that organics can cause and this can drive changes in water treatment methods. Key to confirming and trouble-shooting organics removal processes is a reliable TOC measurement. Organic contamination of pure power plant waters can cause a number of costly problems: It can foul resins in make-up and condensate deionizers and require more frequent resin cleaning and replacement. It can break down to organic acids that lower the pH of early condensate and cause turbine corrosion. It can deposit along with other contaminants onto heat exchange surfaces and significantly reduce efficiency. It can cause foaming in the boiler and increase carryover of other contaminants into the steam. Organics are a major concern in plants where any of these problems occur.

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