1979
DOI: 10.2172/5966019
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Vitrification of Hanford wastes in a joule-heated ceramic melter and evaluation of resultant canisterized product

Abstract: DESCRIPTION OF WORK REPORTED This report presents the results of a test run that produced glass from simulated radioactive wastes. The simulated wastes approximated wastes that would result from the radionuclide removal process. The wastes were vitrified in an electric melter, and the glass product was cast in metal canisters. These glass castings were subsequently evaluated to determine chemical composition, density, leachability, and surface area both for the "as-cast" condition and after a 7.6-m (25-f) drop… Show more

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Cited by 9 publications
(8 citation statements)
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“…This is the predicted result as the lower-density residual-liquid glass would tend to float on the more dense glass in the melter. This characteristic is also seen in the oxide weight percentage changes in Table 4 and is similar to the results reported by Chapman et ale (1979) for the depletion of zinc from the glass produced in another PNL melter.…”
Section: Test R-2supporting
confidence: 88%
“…This is the predicted result as the lower-density residual-liquid glass would tend to float on the more dense glass in the melter. This characteristic is also seen in the oxide weight percentage changes in Table 4 and is similar to the results reported by Chapman et ale (1979) for the depletion of zinc from the glass produced in another PNL melter.…”
Section: Test R-2supporting
confidence: 88%
“…Sodium also appears to be the dominant component in affecting the normalized elemental releases of B, Na, Al, Fe, and waste as shown in Figures 32,33,35,and 36. In fact, the effect of sodium may be uniformly underestimated by the model in this centroid region judging by the predomindnce of large negative difference factors for high Na in Table 15.…”
mentioning
confidence: 96%
“…During calcine feeding, solids are fed from a volumetric feeder through a central flange in the cover plate of the melter. During the early tests with the LFCM, solids were introduced near the rear wall of the melter and were distributed over the entire surface with a batch distributor (Chapman et al 1979). This distributor system process was eliminated to reduce the amount of moving parts in the calcine-fed mode .…”
Section: Feed Systemsmentioning
confidence: 99%