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U.S. Department of Energy
Office of Scientific and Technical Information

Synergistic Inhibitors for Dilute High-Level Radioactive Waste

Conference ·
OSTI ID:198831
Cyclic potentiodynamic polarization scans were conducted to determine the effectiveness of various combinations of anodic inhibitors in the prevention of pitting in carbon steel exposed to dilute radioactive waste. Chromate, molybdate, and phosphate were investigated as replacements for nitrite, whose effective concentrations are incompatible with the waste vitrification process. The polarization scans were performed in non-radioactive waste simulants. Their results showed that acceptable combinations of phosphate with chromate and phosphate with molybdate effectively prevented pitting corrosion. Chromate with molybdate could not replace nitrite.
Research Organization:
Westinghouse Savannah River Co., Aiken, SC (United States)
Sponsoring Organization:
USDOE, Washington, DC (United States)
DOE Contract Number:
AC09-89SR18035
OSTI ID:
198831
Report Number(s):
WSRC-MS--95-0469; CONF-960389--5; ON: DE96060028
Country of Publication:
United States
Language:
English