Solicitation
High Performance Cation Exchange Media
NNL-FMP-0045
Department of Energy, Fluor Marine Propulsion - DOE Contractor. Research and Development in the Physical, Engineering, and Life Sciences.
Response deadline
March 17, 2026 at 5:00 PM EDT
Closed 229 days ago. Posted February 17, 2026, first published February 17, 2026. Scheduled to archive May 19, 2026.
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Description
As published on SAM.gov.
Problem Statement: NNL is interested in developing cation exchange media with enhanced performance characteristics. Traditional cation-anion mixed bed organic resins have an operating temperature range limited by the anion resin thermal stability limit of 140°F. To complement development of high-temperature anion media, NNL is seeking a cation media that meets the following requirements:
- Improved thermal stability to enable normal operating temperature ≥ 250°F at saturation pressure or above;
- Total mixed bed ion exchange capacity >0.8 milliequivalents per milliliter;
- Low solubility in dilute alkaline solution at elevated temperature.
Prospective offerings should include a description of the changes to typical media (organic resin) properties (e.g. chemistry, structure) or of new media materials that would meet the requirements above. The selected materials will be tested for cation exchange capacity, solubility, and physical integrity at varying temperatures and durations.
Q&A to be held during the next four weeks, please reach out to POC to be included on Q&A
Cognizant Scientist: John Arnason
Cognizant Manager: Cassandra Dickson
Publications
Every notice SAM.gov issued under this solicitation number, oldest first. Each is a separate record on SAM.
February 17, 2026
Solicitation
Due March 17, 2026 at 5:00 PM EDT. SAM.gov, notice 28dfb8bfeee5417f99dca7c5e69cf20d
2 revisions on SAM
- February 17, 2026: publish, solicitation
- February 17, 2026: publish, solicitation
February 17, 2026
Solicitation
Due March 17, 2026 at 5:00 PM EDT. SAM.gov, notice e4f456e7c0ab4e57956c8167188fef69
2 revisions on SAM
- February 17, 2026: publish, solicitation
- February 17, 2026: publish, solicitation
Points of contact
- ATIPATIP@unnpp.gov