Chemical and Volume Control System Filters

Types of Chemical and Volume Control Filtration Solutions Offered by Graver Technologies

Modern nuclear facilities require specialized filtration solutions that meet stringent nuclear industry standards and operational requirements. The selection of appropriate CVCS filtration systems depends on specific reactor designs, operational parameters, and water chemistry requirements. Gravex® Macroporous nuclear grade resins, available in five distinct product configurations, are the forefront of nuclear water filtration technology:

• ‍GR-1-5 NG (Strong Base Anion Resin): This filtration solution features quaternary ammonium functional groups with hydroxide ionic form, providing minimum 0.9 meq/mL total exchange capacity. This nuclear water filter excels in removing anionic contaminants and maintaining pH control with 97% OH conversion minimum and strict limits on carbonate, chloride, and sulfate impurities.
• ‍GR-2-17 NG (Strong Acid Cation Resin): This filtration solution incorporates sulfonic acid functional groups in hydrogen form, delivering minimum 2.1 meq/mL exchange capacity. This reactor coolant filter demonstrates exceptional selectivity for soluble radionuclide metal species while maintaining 99% ionic conversion and optimal particle size distribution.‍
• GR-3-17 NG (Mixed Bed Resin): This filtration solution combines cation and anion components in a unique 2:1 volume ratio, creating uniformly blended products with consistent performance. This CVCS particulate filter provides comprehensive ion removal capabilities while maintaining structural integrity under nuclear operating conditions.
• ‍GR-7-17 NG (7Li+ Form Cation): This CVCS filtration solution is formulated with lithium ionic form to extend operational bed life and enhance system performance. This nuclear reactor auxiliary system filter offers superior resistance to radiation damage and maintains consistent exchange characteristics throughout extended service cycles.
• ‍GR-4-17 NG (Stoichiometric Mixed Bed): This CVCS particulate filter has balanced cation-to-anion ratios with 7Li+ form cation component, optimizing nuclear processes efficiency. This reactor water purification filter provides enhanced removal of fine particulate radionuclides while maintaining chemical stability and operational reliability.

Key Features of CVCS Filtration Systems

Advanced CVCS filtration technology incorporates numerous specialized features that ensure optimal nuclear plant operation and safety compliance.

• ‍Superior Radionuclide Selectivity: These nuclear biological chemical filter systems demonstrate exceptional selectivity for soluble species of radionuclide metals including isotopes of cobalt, nickel, iron, and silver. The macroporous structure enhances mass transfer kinetics while maintaining high exchange capacity. Advanced resin chemistry ensures preferential removal of radioactive contaminants while preserving essential water chemistry parameters. Specialized functional groups provide targeted removal mechanisms that exceed conventional filtration performance standards.‍
• Flexible Bed Configuration Options: Anion and cation products may be layered over mixed beds to optimize system performance for specific operational requirements. This configuration flexibility allows plant operators to customize filtration systems based on coolant chemistry conditions and contamination levels. Multiple bed arrangements enable sequential treatment processes that maximize contaminant removal efficiency. Layered bed designs provide enhanced operational control and extended service life for critical nuclear applications.‍
• Uniform Product Blending Technology: These cooling filters for nuclear energy applications represent the most uniformly blended products available in the nuclear industry, ensuring consistent performance characteristics. Advanced manufacturing processes embraced by us help create homogeneous resin distributions that eliminate performance variations between product batches. Precision blending techniques ensure optimal particle size distribution and exchange capacity uniformity. Quality control procedures verify consistent product specifications for reliable nuclear plant operation.‍
• Consistent Cation-to-Anion Ratios: Each package maintains the same consistent cation to anion ratio, providing predictable performance and simplified inventory management for nuclear plants filtration systems. Standardized ratios ensure reproducible water chemistry results across multiple operating cycles. Precise stoichiometric balance optimizes ion exchange efficiency while minimizing waste generation. Consistent product specifications reduce operational variables and enhance system reliability.‍
• Optimized Nuclear Performance: These solutions provide the highest possible performance in nuclear applications through specialized resin chemistry and advanced manufacturing processes. Enhanced radiation resistance of these solutions helps ensure extended service life under high-flux conditions. Their superior chemical stability maintains performance characteristics throughout demanding operational cycles.

Applications of Chemical and Volume Control Filtration Solutions

We provide chemical and volume control filtration solutions to various nuclear facilities and also cater to specialized treatment requirements across industries.

• ‍Primary Reactor Coolant Treatment: Our CVCS filters help maintain reactor coolant system water chemistry within specified parameters during normal plant operation. They help remove corrosion, fission, and activation products from the reactor coolant system. Their Advanced ion exchange technology ensures optimal coolant purity while maintaining proper boron concentrations for reactivity control. Continuous operation capability of these solutions support extended fuel cycles and enhanced plant availability.‍
• Post-Outage Cleanup Operations: Graver’s nuclear power plant CVCS filtration solutions provide critical cleanup capabilities following maintenance outages and refueling activities. High-capacity resin beds rapidly reduce contamination levels to support accelerated plant restart schedules. Enhanced particulate removal capabilities of these filtration solutions help address increased contamination loads following major maintenance activities. Their specialized resin formulations optimize cleanup efficiency while minimizing waste generation and disposal costs.‍
• Liquid Radwaste Processing: Our CVCS filtration solutions effectively remove soluble and fine particulate radionuclides from liquid radwaste streams, supporting comprehensive waste management programs. Their advanced resin chemistry provides selective removal of problematic isotopes while concentrating radioactive materials for efficient disposal. These solutions are also used for processing various liquid waste streams throughout nuclear facilities.‍
• Spent Fuel Pool Water Treatment: These filtration systems demonstrate exceptional chemical and physical resistance to the aggressive environment in spent fuel pools. Their specialized resin formulations help maintain structural integrity under high radiation fields and elevated temperatures. Enhanced durability of these filtration solutions ensures reliable performance throughout extended service periods in challenging operational environments. Advanced filtration capabilities of our solutions support optimal spent fuel storage conditions while maintaining water clarity and chemistry specifications.