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Device and method for separating minerals, carbon and cement additives from fly ash

United States Patent

January 27, 2004
View the Complete Patent at the US Patent & Trademark Office
U.S. Department of Energy - Visit the Office of the Assistant General Counsel for Technology Transfer & Intellectual Property Website
A process for separating organic and inorganic particles from a dry mixture by sizing the particles into isolated fractions, contacting the sized particles to a charged substrate and subjecting the charged particles to an electric field to separate the particles.
Link; Thomas A. (Smock, PA), Schoffstall; Micael R. (South Park, PA), Soong; Yee (Monroeville, PA)
The United States of America as represented by the United States Department of Energy (Washington, DC)
09/ 878,196
June 12, 2001
CONTRACTUAL ORIGIN OF INVENTION The United States Government has rights in this invention pursuant to the employer-employee relationship of the United States Government to the inventors as U.S. Department of Energy employees at National Energy Technology Laboratory.