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Services Provided
ü Treatability
ü Waste Processing
ü Volume Reduction
ü Waste Retrieval
Technologies Used
ü Waste Solidification & Fixation
ü Dewatering, Flocculation
Sedimentation
Relevance
ü Sludge
ü Radioactive, Hazardous
ü Title I, Conceptual Design
ü Commercial Client
Accomplishments
ü Established a cost-effective, technically
sound, and optimized solution
ü Strategy integrated into the D&D plan
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Title: Sludge Dewatering Solidification Treatability Testing
Client: Sequoyah Fuels Corporation
Gore, Oklahoma
The objective of this project was to identify and develop cost effective remedial alternatives, as part of a site-wide
D&D program, for 8 large impoundments containing over 16 million gallons of radioactive and hazardous waste sludge. Work performed included conducting a series of
treatability tests and developing the most cost effective solidification recipe, studying and developing the most cost effective method for sludge transfer operations, and
providing engineering feasibility testing on a prototype dewatering and solidification system. Treatability testing and feasibility studies were conducted on site and in the
laboratory, in a radioactive and hazardous waste safety control environment. The various methodologies of transferring large volumes of sludge with site-adapted
portable equipment were evaluated. The evaluation included the use of a sludge barge, a sludge dredger, and a vertical Vaughn pump, examining their respective
operating efficiencies and various dewatering technologies, including dry well dewatering, flocculation sedimentation, and filter press
technologies. A total of 31 recipes were tested and a formulation was selected that minimized total waste volume and satisfied ASTM/WAC criteria for various disposal sites.
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