Classifying – separating – and assorting solids – Plural – diverse separating operations – Including electrostatic
Patent
1986-03-18
1988-04-12
Reeves, R. B.
Classifying, separating, and assorting solids
Plural, diverse separating operations
Including electrostatic
2091271, 209129, 209131, 209210, 209422, 210748, B03B 700, B03C 500
Patent
active
047372680
ABSTRACT:
A thin channel split flow process for particle fractionation which effects a rapid and efficient separation of the particles comprising introducing a stream of fluid containing the particles to be separated into the inlet end of a thin enclosed channel whose transverse dimension is very small, applying a special field or gradient or combination thereof transversely across the thin dimension of the channel to create a driving force a component of which is perpendicular to the main flow plane, adjusting the flow rate to achieve laminar flow conditions throughout the channel to allow the particles under the influence of the field/gradient to segregate into different stream laminae as they approach different transverse equilibrium positions, splitting the channel stream at the outlet end into substreams containing different separated fractions of the particles in the initial mixture, recovering the substream and thereby recovering the separated fractions.
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Reeves R. B.
University of Utah
Wacyra Edward M.
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