Annual Report, Fall 2016: Alternative Chemical Cleaning of Radioactive High Level Waste Tanks - Corrosion Test Results
- Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL)
The testing presented in this report is in support of the investigation of the Alternative Chemical Cleaning program to aid in developing strategies and technologies to chemically clean radioactive High Level Waste tanks prior to tank closure. The data and conclusions presented here were the examination of the corrosion rates of A285 carbon steel and 304L stainless steel exposed to two proposed chemical cleaning solutions: acidic permanganate (0.18 M nitric acid and 0.05M sodium permanganate) and caustic permanganate. (10 M sodium hydroxide and 0.05M sodium permanganate). These solutions have been proposed as a chemical cleaning solution for the retrieval of actinides in the sludge in the waste tanks, and were tested with both HM and PUREX sludge simulants at a 20:1 ratio.
- Research Organization:
- Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL)
- Sponsoring Organization:
- USDOE Office of Environmental Management (EM)
- DOE Contract Number:
- AC09-08SR22470
- OSTI ID:
- 1323878
- Report Number(s):
- SRNL-STI-2016-00465; TRN: US1601909
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
HIGH-LEVEL RADIOACTIVE WASTES
STAINLESS STEEL-304L
PERMANGANATES
SODIUM COMPOUNDS
SOLUTIONS
TANKS
CARBON STEELS
CORROSION
CLEANING
NITRIC ACID
SODIUM HYDROXIDES
ACTINIDES
CARBON
SLUDGES
REMOVAL
SIMULATION
PUREX PROCESS
enhanced chemical cleaning
corrosion
permanganate
oxalic acid
nitric acid
tank waste heel