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Title: Method of separating and de-watering fine particles

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.
Inventors:
Issue Date:
OSTI Identifier:
1335862
Assignee:
VIRGINIA TECH INTELLECTUAL PROPERTIES, INC. (Blacksburg, VA) NETL
Patent Number(s):
9,518,241
Application Number:
13/915,428
Contract Number:
FE0000699
Resource Relation:
Patent File Date: 2013 Jun 11
Research Org:
VIRGINIA TECH INTELLECTUAL PROPERTIES, INC. Blacksburg, VA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Other works cited in this record:

An investigation of a separation process involving liquid—water—coal systems
journal, January 1987

The Demineralization of Coal Using Selective Agglomeration by the T-Process
journal, January 1990

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