Chemistry Services

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Background

Chemistry performance in a nuclear power plant strongly influences the efficiency of power operation, refueling outages, and routine maintenance. Utilities’ chemistry needs range from approval of consumable compatibility to a complete range of chemistry support for operations and outages. Westinghouse has the resources and technology to provide services and products that will address our customers’ most challenging needs.

Westinghouse provides a wide variety of chemistry services for our customers related to Pressurized Water Reactor (PWR) chemistry, including:

Steam Generator (SG) Asset Management and Secondary System Assessments

Integrated engineering and field services approach to long-term services planning
Secondary Side Condition Monitoring and Operational Assessment (SS-CMOA)
Sludge and scale deposit evaluations
Visual inspection planning
Tube bundle Scale Profiling
Dispersant evaluations
Chemical cleaning planning
Maintenance strategies
Onsite outage support

Primary Chemistry and Fuels Support

Zinc Addition
Elevated lithium/pH
Potassium hydroxide for pH control
Shutdown and restart chemistry optimization and consultation
Hot functional testing chemistry

Chemistry Consultation

Consumables/materials qualification
Foreign material and loose parts chemistry and corrosion evaluations
Chemistry excursion evaluations
Chemistry training
Cleaning process qualification
Post-accident / station blackout chemistry
Online chemistry monitoring

Laboratory Services

Fuel crud and SG sludge analysis
Metallurgical and failure examinations
Microstructural characterization (Metallography, SEM, XEDS, FIB, TEM/STEM, XRD)
Analytical chemistry (ICP-MS, ICP-OES, IC, LECO Carbon/Sulfur/Hydrogen, FTIR, UV-Vis)
Autoclave corrosion and heated rod loop testing
High temperature steam oxidation testing
Customized research and development programs

Benefits

Westinghouse strives to exceed customer needs and expectations, providing a basis for utilities to operate more efficiently and competitively regarding:

Daily monitoring and assessment of chemistry control
Off-normal chemistry issues
Consultation and evaluation of chemical applications online and offline

Experience

Westinghouse has provided water chemistry consultation to the PWR industry for more than 60 years, encompassing all areas of utility chemistry needs. This operating experience, knowledge, and expertise allows Westinghouse to provide the solutions that utilities need to optimize chemistry and long-term plant performance.