Foaming and Antifoaming in Radioactive Waste Pretreatment and Immobilization Processes Page: 8 of 28
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- Modifier -
Figure 2. Three-dimensional Representation of Simulated AZ112 Envelope D Slurry
- Dashed Circle Shows Exampfs ofLarge Flocculated Particks.
Figure 3 shows a three-dimensional representation of the AZ 102 slurry with 1000
ppm of CTAB (cationic surfactant) modifier added. The image clearly shows that
CTAB dispersed the RPP-WPT AZ102 particles into fine particles which appear to
be smaller than 1 micron. Analysis of Figure 2 and 3 together appears to indicate
that AZ102 slurry is actually composed of particles that are much smaller than 0.5
microns. The smaller particles (< 1 micron) shown in Figure 3 are dispersed and
not flocculated like the particles shown in Figure 2.
- y- -y -
. Mcdifier -
Dispers ed - 99
Figure 3. Three-dimensional Reresentation of Simulated AZl02 Envelpe D Slurry with
1[00 ppm CTA- The micrographshowsdispersal ofAZll2 sludge into fine partick
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Wasan, Darsh T.; Nikolov, Alex D.; Lamber, D.P.; Calloway, T. Bond & Stone, M.E. Foaming and Antifoaming in Radioactive Waste Pretreatment and Immobilization Processes, report, March 12, 2005; United States. (https://digital.library.unt.edu/ark:/67531/metadc780348/m1/8/: accessed April 26, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.