Classification by ferrofluid density separation

Details Classification by ferrofluid density separation Classification by ferrofluid density separation

1975-01-29

1976-04-20

Lutter, Frank W.

Classifying, separating, and assorting solids

Miscellaneous

B03B 500, B03B 1304

Patent

active

039517853

ABSTRACT:
A method of separating non-magnetic particles of different densities by using a ferrofluid to produce levitation wherein compensation is made for the magnetic attraction or interaction of the particles by removing particles too small for the desired sharpness of separation or by maintaining the ratio of the interaction force to the separation force outside of theoretical limits.

REFERENCES:
patent: 3483968 (1969-12-01), Kaiser
patent: 3483969 (1969-12-01), Rosensweig
patent: 3488531 (1970-01-01), Rosensweig
patent: 3531413 (1970-09-01), Rosensweig
patent: 3700595 (1972-10-01), Kaiser
patent: 3784471 (1974-01-01), Kaiser
patent: 3788465 (1974-01-01), Reimers et al.
patent: 3806449 (1974-04-01), Kaiser
International Science and Technology, July 1966, "Magnetic Fluids", pp. 48-54 and 56; R. E. Rosensweig.

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