Radiation effects in solidified high level wastes. Part 2. Helium behavior
Description
An experimental investigation of helium diffusion in a simulated zinc borosilicate nuclear waste glass is described. The helium inventory was generated by 244Cm doping and the influence of α damage demonstrated. Diffusion at short times and low fractional release values follows Arrehnius behavior and the diffusion coefficient is given as D/sub U/ = 2.1 x 10-3 exp (-15,000/RT). At longer times and higher fractional release values, trapping effects are observed, causing an apparent decrease in diffusivity by about one order of magnitude. Some estimates are presented with respect to canister pressurization as a function of storage time, temperature, and glass geometry
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Additional details
Publishing Information
- Imprint Pagination
- 47 p.
- Report number
- BNWL--2051
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 8284393
- Subject category
- S12: MANAGEMENT OF RADIOACTIVE WASTES, AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; S12: MANAGEMENT OF RADIOACTIVE WASTES, AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES;
- Descriptors DEI
- BORON SILICATES; DIFFUSION; GLASS; HELIUM; PERMEABILITY; RADIOACTIVE WASTE PROCESSING; RADIOACTIVE WASTE STORAGE; RADIOACTIVE WASTES; SOLIDIFICATION; STABILITY
- Descriptors DEC
- BORON COMPOUNDS; ELEMENTS; MANAGEMENT; NONMETALS; OXYGEN COMPOUNDS; RADIOACTIVE MATERIALS; RARE GASES; SILICATES; SILICON COMPOUNDS; STORAGE; WASTE MANAGEMENT; WASTE PROCESSING; WASTE STORAGE; WASTES
Optional Information
- Notes
- Available from NTIS. $4.00.