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Fuel Cycle & Waste Management
Devoted to all aspects of the nuclear fuel cycle including waste management, worldwide. Division specific areas of interest and involvement include uranium conversion and enrichment; fuel fabrication, management (in-core and ex-core) and recycle; transportation; safeguards; high-level, low-level and mixed waste management and disposal; public policy and program management; decontamination and decommissioning environmental restoration; and excess weapons materials disposition.
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2024 ANS Winter Conference and Expo
November 17–21, 2024
Orlando, FL|Renaissance Orlando at SeaWorld
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New laws offer nuclear industry incentives for existing power plant uprates
This year, the U.S. nuclear industry received a much-needed economic boost that could help preserve operating nuclear power plants and incentivize upgrades that extend their lifespan and power output.
Signed into law in 2022, the Inflation Reduction Act offers production tax credits (PTCs) for existing nuclear power plants and either PTCs or investment tax credits (ITCs) for new carbon-free generation. These credits could make power uprates—increasing the maximum power level at which a commercial plant may operate—a much more appealing option for utilities.
William Primak
Nuclear Science and Engineering | Volume 80 | Number 4 | April 1982 | Pages 689-699
Technical Paper | doi.org/10.13182/NSE82-A18978
Articles are hosted by Taylor and Francis Online.
A short ion bombardment greatly increases the hot saline etching or leaching of silicate glasses. The effect was observed for xenon, argon, neon, helium, and deuterium ion bombardment. From the relative values of the effect produced by the several ions, it was demonstrated that the effect is associated with the hot secondaries. The hot saline can cause the complete removal of material, thus producing a depression of an irradiated area, which was measured interferometrically, or it may cause a leaching of the cationic content of the glass and leave a silaceous residual film, which was studied by obtaining its spectral reflectivity. Other glasses may behave in an intermediate manner leading to some depression and some film residue. The glasses studied were soda-lime glass, light barium crown (28% BaO), and two facsimile radioactive waste storage glasses. The first two showed the enhanced etching, the first waste storage glass a tenacious film, and the second waste storage glass showed the intermediate behavior, some etching, and some film residue. The enhancement of the etching rate of the light barium crown glass was calculated as some fivefold, for the soda-lime glass about elevenfold. Enhancement of the leaching rate of the first waste storage glass was ∼2½ for helium ion bombardment and over 3½ for xenon or neon ion bombardment.