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Process and material that encapsulates solid hazardous waste

United States Patent

5,962,630
October 5, 1999
View the Complete Patent at the US Patent & Trademark Office
Idaho National Laboratory - Visit the Technology Transfer and Commercialization Office Website
A method of encapsulating mixed waste in which a thermoplastic polymer having a melting temperature less than about 150.degree. C. and sulfur and mixed waste are mixed at an elevated temperature not greater than about 200.degree. C. and mixed for a time sufficient to intimately mix the constituents, and then cooled to a solid. The resulting solid is also disclosed.
O'Brien; Michael H. (Idaho Falls, ID), Erickson; Arnold W. (Idaho Falls, ID)
The United States of America as represented by the United States (Washington, DC)
08/ 984,048
December 3, 1997
CONTRACTUAL ORIGIN OF THE INVENTION The United States Government has rights in this invention pursuant to Contract No. DE-AC07-76ID01570 between the U.S. Department of Energy (DOE) and EG&G Idaho Inc.