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Treatment of mercury containing waste

United States Patent

June 4, 2002
View the Complete Patent at the US Patent & Trademark Office
Brookhaven National Laboratory - Visit the Office of Technology Commercialization and Partnerships Website
Improved Ex-Situ Mercury Remediation
A process is provided for the treatment of mercury containing waste in a single reaction vessel which includes a) stabilizing the waste with sulfur polymer cement under an inert atmosphere to form a resulting mixture and b) encapsulating the resulting mixture by heating the mixture to form a molten product and casting the molten product as a monolithic final waste form. Additional sulfur polymer cement can be added in the encapsulation step if needed, and a stabilizing additive can be added in the process to improve the leaching properties of the waste form.
Kalb; Paul D. (Wading River, NY), Melamed; Dan (Gaithersburg, MD), Patel; Bhavesh R (Elmhurst, NY), Fuhrmann; Mark (Babylon, NY)
Brookhaven Science Associates LLC (Upton, NY)
09/ 280,883
March 29, 1999
This invention was made with Government support under Contract No. DE-AC02-98CH10886, between the U.S. Department of Energy and Brookhaven Science Associates. The Government has certain rights in the invention.