Classifying – separating – and assorting solids – Fluid suspension – Liquid
Reexamination Certificate
2011-06-21
2011-06-21
Rodriguez, Joseph C (Department: 3653)
Classifying, separating, and assorting solids
Fluid suspension
Liquid
Reexamination Certificate
active
07963398
ABSTRACT:
A method for selective separation of particles from a particle-containing material includes preparing a slurry of the particle-containing material and a dispersant, passing the slurry through a hydraulic classifier in a first direction, establishing a particle flow in a direction that is different from the first direction, and recovering particles having a mean particle size of about 2-7 μm. The flow of particles defines a cross-current flow relative to the slurry feed direction. The method further includes providing the classifier with an interior divider assembly defining at least one inclined channel. The divider assembly typically includes a plurality of substantially parallel dividers separating the classifier into multiple channels having a substantially equal internal volume. A hydraulic classifier for separating particles having a mean particle size of from about 2-7 μm in accordance with the present method is provided also.
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Groppo John
Robl Thomas L.
King & Schickli PLLC
Kumar Kalyanavenkateshware
Rodriguez Joseph C
University of Kentucky Research Foundation
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