Acid hydrolysis of tetraphenylborate at elevated temperature and pressure Page: 4 of 9
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SAVANNAH RIVER LABORATORY
CC: J. A. Kelley, SRL
H. H. Elder
R. B. Ferguson
M. J. Plodinec
L. L. Kilpatrick
L. M. Lee
TIS File Copy "(2)
May 27, 1982
LI 1A D7APOUCHADO
TO: . .
FROM: J. R. FOWLER
ACID HYDROLYSIS OF TETRAPHENYLBORATE
AT ELEVATED TEMPERATURE AND PRESSURE
Sodium tetraphenylborate is used to coprecipitate cesium with
potassium in the precipitation process that has been developed to
decontaminate waste salt solutions. However, the high organic
content of the resulting precipitate prevents direct addition of
this precipitate to melter feed containing waste sludge because the
level of organic compounds is sufficiently high to.reduce many of
the waste components to metals. To eliminate this potential
problem, three alternatives exist:
1. Remove the organic content from-the precipitate by
decomposing the tetraphenylborate salts,
2. Incorporate the tetraphenylborate precipitate into a
"cesium only" glass,' or
3. Use the precipitate to produce gamma sources or heat
sources-based on Cs-137.
Of these three choices, decomposition of tetraphenylborate salts is
preferred if'an acceptable process can be developed.
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Fowler, J.R. Acid hydrolysis of tetraphenylborate at elevated temperature and pressure, report, May 17, 1982; Aiken, South Carolina. (digital.library.unt.edu/ark:/67531/metadc695350/m1/4/: accessed January 23, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.