Users to benefit from new IAPWS technical guidance documents on powerplant chemistry

The Power Plant Chemistry (PPC) working group of IAPWS (pronounced eye-apps), the International Association for the Properties of Water and Steam, released two technical guidance documents (TGDs) of value to powerplant owner/operators at its annual meeting in Dresden, Germany, Sept 11-16, 2016:

      • “Application of Film-Forming Amines in Fossil, Combined Cycle, and Biomass Plants.”

      • “HRSG High-Pressure Evaporator Sampling for Internal Deposit Identification and for Determining the Need to Chemical Clean.”

Both are available free-of-charge on the organization’s website, where you’ll likely identify several more useful TGDs.

By way of background, the primary purpose of the annual IAPWS meetings is to connect researchers and scientists with the engineers who use their information. The free-flowing exchange provides researchers with guidance on topical industry problems and the engineers with the latest research results. Areas of technology addressed by IAPWS of greatest interest to electricity producers are powerplant chemistry, power cycles with CO2 capture and storage, and combined heat and power systems—including district heating.

The PPC working group discussed development of new TGDs (one on demineralized water) and several white papers—including corrosion-product sampling for plants on flexible operation and minimization of air in-leakage into steam/water cycles. The group also identified a significant step forward in understanding the behavior of aluminum in steam-cycle circuits.

The meeting just concluded attracted 90 scientists and engineers from 18 countries. This year, the organization welcomed New Zealand as a full member and formally approved Egypt as an associate member. The next meeting will be in Kyoto, Japan, Aug 27-Sept 1, 2017. Executive Secretary Dr R Barry Dooley reminds that you do not have to be a citizen or resident of a member country (see list on website) to participate in IAPWS activities.

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