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Consolidation process for producing ceramic waste forms

United States Patent

November 7, 2000
View the Complete Patent at the US Patent & Trademark Office
Argonne National Laboratory - Visit the Technology Development and Commercialization Website
A process for the consolidation and containment of solid or semisolid hazardous waste, which process comprises closing an end of a circular hollow cylinder, filling the cylinder with the hazardous waste, and then cold working the cylinder to reduce its diameter while simultaneously compacting the waste. The open end of the cylinder can be sealed prior to or after the cold working process. The preferred method of cold working is to draw the sealed cylinder containing the hazardous waste through a plurality of dies to simultaneously reduce the diameter of the tube while compacting the waste. This process provides a quick continuous process for consolidating hazardous waste, including radioactive waste.
Hash; Harry C. (Joliet, IL), Hash; Mark C. (Shorewood, IL)
The United States of America as represented by the United States Department of Energy (Washington, DC)
09/ 121,974
July 24, 1998
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The United States Government has rights in this invention pursuant to Contract No. W-31-109-Eng-38 between the U.S. Department of Energy and the University of Chicago representing Argonne National Laboratory.