Cold Crucible Vitrification of CST and Simulated Hanford Tank Waste
- Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
The Direct Feed Low-Activity Waste (DFLAW) flowsheet provides for the initial production of immobilized low-activity waste (ILAW) by feeding low-activity waste (LAW) from tank farms to the Hanford Waste Treatment and Immobilization Plant (WTP) LAW Facility for immobilization. Prior to the transfer of feed to the WTP LAW Vitrification Facility, tank supernatant waste will be pretreated by the Tank-Side Cesium Removal (TSCR) system to meet the WTP LAW waste acceptance criteria (<3.18× 10-5 Ci 137Cs/mole of Na). This pretreatment will remove cesium from the waste stream through ion exchange (IX). The selected media for IX is crystalline silicotitanate (CST).
- Research Organization:
- Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-76RL01830
- OSTI ID:
- 1575237
- Report Number(s):
- PNNL--28895
- Country of Publication:
- United States
- Language:
- English
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