Disposal characteristics of plutonium and americium in a high salt acid waste Page: 4 of 15
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DISPOSAL CHARACTERISTICS OF PLUTONIUM4 AND AMIERICIUM IN A HIGH
SALT ACID WASTE
B. F. Hajek and K. C. Knoll
This report presents the experimental results of an investigation requested
by Isochem, Inc., Richland, Washington. The research was needed to provide data
for use in the evaluation of the disposal characteristics of a high salt waste
(AAW) containing small amounts of plutonium and americium.
This acid aqueous waste contains saturation amounts of organic compounds
generated from recovery of plutonium and americium in a plutonium reclamation fa-
cility. Occasionally slug disposal of organic compounds (principally DBBP in CC14)'
into the aqueous disposal stream occurs.
Previous research by Battelle-Northwest (1) indicated that soil can imbibe
this waste (including slugs of organic) almost as readily as water; however, up-
take of plutonium by soil was low and of americium negligible.. .The study from
which these results were obtained was conducted with surface soil material (< 20')
which is representative of much of the soil profile to ground water. However, strata
occur between the surface and groundwater which have different chemical properties
and could exhibit better plutonium and americium retention characteristics. In ad-
dition, treatment of the waste prior to ground disposal could result in a solution
from which plutonium and americium would be retained on soil or in which the con-
centration of these radionuclides would be greatly reduced.
The objectives of the present study were to: 1) determine the waste neutrali-
zation ability of soil material selected from various depths between the surface
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Hajek, B.F. & Knoll, K.C. Disposal characteristics of plutonium and americium in a high salt acid waste, report, June 10, 1966; (https://digital.library.unt.edu/ark:/67531/metadc1035911/m1/4/: accessed April 26, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.