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

Tank Focus Area pretreatment activities

Conference ·
OSTI ID:453470
;  [1];  [2]
  1. Oak Ridge National Lab., TN (United States)
  2. Pacific Northwest National Lab., Richland, WA (United States)

Plans call for the high-level wastes to be retrieved from the tanks and immobilized in a stable waste form suitable for long-term isolation. Chemistry and chemical engineering operations are required to retrieve the wastes, to condition the wastes for subsequent steps, and to reduce the costs of the waste management enterprise. Pretreatment includes those processes between retrieval and immobilization, and includes preparation of suitable feed material for immobilization and separations to partition the waste into streams that yield lower life-cycle costs. Some of the technologies being developed by the Tank Focus Area (TFA) to process these wastes are described. These technologies fall roughly into three areas: (1) solid/liquid separation (SLS), (2) sludge pretreatment, and (3) supernate pretreatment.

Research Organization:
Oak Ridge National Lab., TN (United States); Pacific Northwest National Lab., Richland, WA (United States)
Sponsoring Organization:
USDOE Office of Environmental Restoration and Waste Management, Washington, DC (United States)
DOE Contract Number:
AC05-96OR22464; AC06-76RL01830
OSTI ID:
453470
Report Number(s):
CONF-970321--4; ON: DE97004113
Country of Publication:
United States
Language:
English