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Surrogates were based on anticipated waste feedstreams: Characterization data
for these wastes have been compiled (Appendix Q. Based on this data,
surrogate recipes were prepared and are documented in Appendix F.
-3-.-2 -3ELECTION OF WASTE FORMS FOR TESTING
Vendor contacts, literature reviews ( Appendix G), and discussions with
specialists in the field of nuclear waste solidification have led to the
selection of the various waste forms chosen for testing in this phase of the
WFQ Program. An overall discussion of the various waste forms, their
-advantages and disadvantages, a description of the equipment needed for the
various processes, and other pertinent terminology are provided in Appendix J.
The waste forms chosen, as mentioned earlier, consist of cement-based waste
forms and a thermosetting polymer waste form. The overall analysis of the
-informat-ion _gathered-has led to the selection of which waste types should be
tested in which of the above two waste forms. This selection is similar to
the selection provided in the CDR for the project and is provided in
Table 3-2.
Table 3-2. Solidification Technologies.
Feedstream Cement- Thermosetting
number Title based polymer
(test ID) testing testing
2A (Type 1) C-018 Ammonium sulfate Yes* Yes
IC (Type 2) 183H Sludge (Basins 1 and 2) -- Yes
1C (Type 3) 183H Sludge (Basins 3 and 4) -- Yes
1A (Type 4) 183H Crystalline solid -- Yes
1D (Type 5)
1D (Type 6)
183H Miscellaneous cleanup
(high copper)
183H Miscellaneous cleanup
(high nitrate)
Yes --
Yes --
2C (Type 7) L-045 Metal sludge Yes --
7 (Type 8) Ash from thermal treatment Yes --
*Envirostone is a trademark of the United States Gypsum Company.
The first four waste types were chosen for testing with the thermosetting
polymer because of their high soluble salt content (including high nitrate
content), which are known to cause problems with cement solidification. The
last four waste types (5-8) were chosen for testing with cement waste forms
because they did not contain high concentrations of any constituents that
interfere with cement solidification.
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