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Methods to enhance the characteristics of hydrothermally prepared slurry fuels

United States Patent

April 25, 2000
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
Methods for enhancing the flow behavior and stability of hydrothermally treated slurry fuels. A mechanical high-shear dispersion and homogenization device is used to shear the slurry fuel. Other improvements include blending the carbonaceous material with a form of coal to reduce or eliminate the flocculation of the slurry, and maintaining the temperature of the hydrothermal treatment between approximately to C.
Anderson; Chris M. (Shakopee, MN), Musich; Mark A. (Grand Forks, ND), Mann; Michael D. (Thompson, ND), DeWall; Raymond A. (Grand Forks, ND), Richter; John J. (Grand Forks, ND), Potas; Todd A. (Plymouth, MN), Willson; Warrack G. (Fairbanks, AK)
Energy & Environmental Research Center (Grand Forks, ND)
08/ 874,963
June 13, 1997
GRANT REFERENCE Work on the invention described herein was funded in part by the U.S. Department of Energy, Cooperative Agreement Nos. DE-FC21-83FE60181, DE-FC21-86MC10637, DE-FC21-93MC30097, and DE-FC21-93MC30098. The U.S. Government may have certain rights in the invention.