Classifying – separating – and assorting solids – Fluid suspension – Liquid
Patent
1988-01-27
1991-01-01
Lacey, David L.
Classifying, separating, and assorting solids
Fluid suspension
Liquid
209170, 2102212, 261DIG75, 261122, B03D 124, B03D 102
Patent
active
049815822
ABSTRACT:
A method and apparatus are disclosed for the microbubble flotation separation of very fine particles, especially coal, so as to produce a high purity and large recovery efficiently. This is accomplished through the use of a high aspect ratio flotation column, microbubbles, and a countercurrent use of wash water to gently wash the froth. Also, disclosed are unique processes and apparatus for generating microbubbles for flotation in a high efficient and inexpensive manner using either a porous tube or an in-line static generator.
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Adel Gregory T.
Luttrell Gerald H.
Yoon Roe-Hoan
Lacey David L.
Lithgow Thomas M.
Virginia Tech Intellectual Properties Inc.
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