Polyethylene glycol-based ABEC resins for the selective removal of technetium from Hanford tank wastes
- Northern Illinois Univ., DeKalb, IL (United States); and others
We have developed new chromatographic resins, based on the concepts of aqueous biphasic extraction, capable of removing technetium from highly alkaline solutions. The new resins have been tested on simulated Hanford tank waste solutions and exhibit excellent retention characteristics for NaTcO{sub 4}. Batch and chromatographic experiments reveal that the pertechnetate anion can be removed directly from simulants of these waste solutions. Recovery of the pertechnetate can be accomplished by simply washing the resins with water. In this presentation, uptake results from NaOH as well as the effects of matrix constituents such as nitrate, nitrite, carbonate, aluminate, and citrate will be presented. The results of our investigations with simulated waste solutions, SY-101, NCAW, and SST will also be discussed.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 370574
- Report Number(s):
- CONF-960376-; TRN: 96:003805-0630
- Resource Relation:
- Conference: Spring national meeting of the American Chemical Society (ACS), New Orleans, LA (United States), 24-28 Mar 1996; Other Information: PBD: 1996; Related Information: Is Part Of 211th ACS national meeting; PB: 2284 p.
- Country of Publication:
- United States
- Language:
- English
Similar Records
Design, synthesis, and uptake performance of ABEC resins for the removal of pertechnetate from alkaline radioactive wastes
Technetium partitioning for the Hanford Tank Waste Remediation System: anion exchange studies for partitioning technetium from synthetic DSSF and DSS simulants and actual Hanford wastes (101-SY and 103-SY) using Rellex-HPQ resin