Radiolytic Gas Generation in Concrete Made with Incinerator Ash Containing Transuranium Nuclides
The effects of various factors on H2 generation by alpha radiolysis of concrete containing TRU incinerator ash were studied. Methods for reducing H2 generation were investigated. Samples of portland and high-alumina cement containing up to 30% calcined ash (dry basis) were doped with 238PuO2. Gas pressures were measured as a function of radiation dose; gas compositions were determined. Gas yields were calculated in terms of G values (molecules produced per 100 eV of alpha energy absorbed). These yields were used to estimate pressures in containers of radioactive concrete waste during storage.
KeywordsLiquid Water Storage Container Bone Char Waste Isolation Pilot Plant Flammable Mixture
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