2003•OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)Open access

CHARACTERIZATION OF THE SOLIDS WASTE IN THE HANFORD WASTE TANKS USING A COMBINATION OF XRD & SEM & PLM

R. Wade Warrant, Gordon Cooke

Abstract

The Department of Energy's River Protection Project (RPP) is tasked with retrieving highly radioactive waste from Hanford double-shell and single-shell tanks to provide feed for vitrification for long-term storage. Approximately 330,000 metric tons of sodium-rich radioactive waste originating from separation of plutonium from irradiated uranium fuel is stored in 177 underground tanks at Hanford. Current plans call for much of this waste to be vitrified and disposed of at the Yucca Mountain waste repository. In order to do this, the contents of the tanks need to be physically and chemically characterized.

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Key concepts: Hanford Site, Radioactive waste, Vitrification, Plutonium, Waste management, High-level waste, Environmental science, Uranium