Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor
Patent
1987-10-13
1989-09-19
Bennet, Henry A.
Drying and gas or vapor contact with solids
Apparatus
With means to treat gas or vapor
34 17, 34 15, 34 92, F26B 516
Patent
active
048668567
ABSTRACT:
A process and apparatus for dewatering water-containing mineral particles, e.g., pulverized coal and in particular, high moisture content, low rank coal, is described. In one embodiment, the process and apparatus make use of a hydrophobic dewatering aid to displace water chemically and/or interstitially bound to coal particles followed by stripping of the coal particles with a water-miscible solvent to facilitate drainage of such water from the coal particles.
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Bennet Henry A.
Esposito Michael F.
Evans Larry W.
The Standard Oil Company
Untener David T.
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