91Ó°ÊÓ

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. 91Ó°ÊÓ has the resources and technology to provide services and products that will address our customers’ most challenging needs.

91Ó°ÊÓ 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

91Ó°ÊÓ 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

91Ó°ÊÓ 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 91Ó°ÊÓ to provide the solutions that utilities need to optimize chemistry and long-term plant performance.