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- W4235440255 abstract "Melter feed preparation processes, incorporating a final wash of the precipitate slurry feed to Defense Waste Processing Facility (DWPF) and a partial substitution of the SRAT formic acid requirement with nitric acid, should not produce peak hydrogen generation rates during Cold Chemical Runs (CCR's) and radioactive operation greater than their current, respective hydrogen design bases of 0.024 lb/hr and 1.5 lb/hr. A single SRAT bench-scale process simulation for CCR-s produced a DWPF equivalent peak hydrogen generation rate of 0.004 lb/hr. During radioactive operation, the peak hydrogen generation rate will be dependent on the extent DWPF deviates from the nominal precipitate hydrolysis and melter feed preparation process operating parameters. Two actual radioactive sludges were treated according to the new flowsheets. The peak hydrogen evolution rates were equivalent to 0.038 and 0.20 lb/hr (DWPF scale) respectively. Compared to the formic acid -- HAN hydrolysis flowsheets, these peak rates were reduced by a factor of 2.5 and 3.4 for Tank 15 and Tank 11 sludges, respectively." @default.
- W4235440255 created "2022-05-12" @default.
- W4235440255 creator A5026663687 @default.
- W4235440255 date "1992-10-22" @default.
- W4235440255 modified "2023-10-18" @default.
- W4235440255 title "Hydrogen generation in SRAT with nitric acid and late washing flowsheets" @default.
- W4235440255 doi "https://doi.org/10.2172/6808771" @default.
- W4235440255 hasPublicationYear "1992" @default.
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