Assessment of Molybdate Based Corrosion Inhibitor for use at the Savannah River Tank Farm Cooling Water System

Sykes, Kiana S. [Savannah River National Laboratory (SRNL), Aiken, SC (United States)]; Wiersma, Bruce [Savannah River National Laboratory (SRNL), Aiken, SC (United States)]

doi:10.2172/3377405

DOE OSTI · 3377405

Assessment of Molybdate Based Corrosion Inhibitor for use at the Savannah River Tank Farm Cooling Water System

Sykes, Kiana S. [Savannah River National Laboratory (SRNL), Aiken, SC (United States)]·Wiersma, Bruce [Savannah River National Laboratory (SRNL), Aiken, SC (United States)]

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Abstract

The Savannah River Site (SRS) has relied on 51 underground storage tanks, many dating back to the 1950s, to store radioactive liquid waste generated from nuclear processing and radionuclide production. These tanks use carbon steel cooling coils, cooled by soft, acidic water, to dissipate the decayed heat produced by radioactive waste. For decades, following historical industry practices, chromate has been added to the cooling water (~450 ppm at pH 9-11) to effectively inhibit corrosion, ensuring cooling coil longevity. Inspections of failed coils reveal that chromate-treated surfaces are generally well-preserved.

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12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES Cooling Water Corrosion Inhibitors Tank Farm

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Sykes, Kiana S. [Savannah River National Laboratory (SRNL), Aiken, SC (United States)], Wiersma, Bruce [Savannah River National Laboratory (SRNL), Aiken, SC (United States)]. 2026-04-01. Assessment of Molybdate Based Corrosion Inhibitor for use at the Savannah River Tank Farm Cooling Water System. https://doi.org/10.2172/3377405

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