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Title: Comparison of Dow Corning 544 antifoam to IIT747 antifoam in the 1/240 SRAT

Technical Report ·
DOI:https://doi.org/10.2172/755212· OSTI ID:755212

The Defense Waste Processing Facility requested that the Immobilization Technology Section compare the relative foaming tendencies of sludge simulant during simulated Chemical Processing Cell operations (HLW-DWPF-TTR-99-0012). Dow Corning 544 antifoam, currently used in DWPF, was compared to a new antifoam formulation developed at the Illinois Institute of Technology. A task plan was written and approved. The task plan deliverables included a recommendation on the choice of antifoam, an evaluation of the influence of solids concentration on foaming, an evaluation on the effect of boil-up rate on foaming, an estimate of the mass of steam stripped to remove 90 percent of the mercury, and a determination of the fate of mercury. Additional parameters to be investigated during experimentation included the maximum foam height observed, hydrogen generation rates, and nitrite destruction rates.

Research Organization:
Savannah River Site (SRS), Aiken, SC (United States)
Sponsoring Organization:
US Department of Energy (US)
DOE Contract Number:
AC09-96SR18500
OSTI ID:
755212
Report Number(s):
WSRC-TR-99-00377; TRN: US0002308
Resource Relation:
Other Information: PBD: 12 May 2000
Country of Publication:
United States
Language:
English