Hanford Ferrocyanide Reactivity: Effects of Other Tank Constituents

by R. D. Scheele, Pacific Northwest Lab, Richland, United States,
J. M. Tingey, Pacific Northwest Lab, Richland, United States,
R. L. Sell, Pacific Northwest Lab, Richland, United States,
L. L. Burger, Pacific Northwest Lab, Richland, United States,
J. W. Johnston, Pacific Northwest Lab, Richland, United States,



Document Type: Proceeding Paper

Part of: High Level Radioactive Waste Management 1993

Abstract:

In this study simulated wastes were used to determine the effect of potential waste constituents on the reactivity and explosivity of Hanford ferrocyanide-bearing wastes. Test results showed that at a concentration of 0.03 mole/mole ferrocyanide the individual or combined additives [sodium ethylenediaminetetraacetate and the hydroxide precipitates of iron (III), chromium (III), and nickel] reduced the time-to-explosion of a near-stoichiometric mixture of sodium nickel ferrocyanide and equimolar sodium nitrate and nitrite. Also, no reduction was found in the observed minimum explosion temperature of 293?c.

Subject Headings: Explosions | Sodium | Recycling | Hazardous wastes | Hazardous substances | Chemical additives | Waste storage

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