IAPWS Technical Guidance Document: Instrumentation for monitoring and control of cycle chemistry for the steam-water circuits of fossil-fired and combined-cycle power plants
PDF of document
Cycle Chemistry Guidelines on sample points and minimum levels of on-line chemical monitoring instrumentation for steam and water cycle chemistry control in fossil and combined cycle / HRSG power plants. Customization for each type of plant is provided.
This Technical Guidance Document was adopted by IAPWS in 2012, replacing the version of 2009.
The revisions were minor and did not constitute significant changes to the scope of the document
or to the guidance therein.
In 2015, a revision was adopted to add guidance for Heat Recovery Steam Generators (HRSGs)
that start frequently and those that are required to fast start.
This Technical Guidance Document is the product of the
"Power Cycle Chemistry" (PCC) of the
International Association for the Properties of
Water and Steam (IAPWS).
This page updated September 19, 2016
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Instrumentation for monitoring cycle chemistry