Actions for Particle size of particulate matter in the dissolver off-gas stream [electronic resource].

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Particle size of particulate matter in the dissolver off-gas stream [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 1951.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
6 pages : digital, PDF file
Additional Creators
United States. Department of Energy and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
This report discusses particle size measurements with a modified cascade impactor of the particulate matter in the dissolver off-gases during the period of maximum gas evolution, and during the air sparge of the dissolver solution after the completion of the dissolving cycle which indicate that the mass-size median of the particles was less than 0.1 micron in both cases. The measurements were made, unfortunately, at a time when the efficiency of the silver reactor upstream to the sampling point was low enough to permit appreciable amounts of iodine through to the cascade impactor. The samples were therefore permitted to decay for thirty-five days before the relative amounts of radioactivity on the stages of the impactor and the follow- up filter paper were evaluated. The size of the particles obtained, 0.1 micron, should be considered primarily as an order of magnitude rather than an absolute value, because the cascade impactor (as well as any other impaction device) can not give an accurate value for the particle size in this size range.
Report Numbers
E 1.99:hw--22601
hw--22601
Subject(s)
Note
Published through SciTech Connect.
11/01/1951.
"hw--22601"
"DE94009742"
Weidenbaum, B.
Hanford Works, Richland, WA (United States)
Type of Report and Period Covered Note
Topical; 11/01/1951 - 11/01/1951
Funding Information
AC06-76RL01830
View MARC record | catkey: 14666091