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Method of separating and de-watering fine particles

United States Patent

9,518,241
December 13, 2016
View the Complete Patent at the US Patent & Trademark Office
A process for cleaning and dewatering hydrophobic particulate materials is presented. The process is performed in two steps: 1) agglomeration of the hydrophobic particles in a first hydrophobic liquid/aqueous mixture; followed by 2) dispersion of the agglomerates in a second hydrophobic liquid to release the water trapped within the agglomerates along with the entrained hydrophilic particles.
Yoon; Roe-Hoan (Blacksburg, VA)
VIRGINIA TECH INTELLECTUAL PROPERTIES, INC. (Blacksburg, VA)
13/ 915,428
June 11, 2013
STATEMENT OF GOVERNMENT INTEREST This invention was made with U.S. Government support under Grant Number DE-FE0000699 awarded by the US Department of Energy. The government has certain rights in the invention.