Device and Process for Magneto-gravimetric Particle Separation Using Nonvertical Levitation Forces.
Reimers GW; Rholl SA; Khalafalla SW
U S Pat 3 788 465 1974 Jan; :
A volume of magnetic fluid is caused to function as a density spectrograph by impressing a magnetic field upon the fluid in an orientation such that nonvertical levitation forces are developed upon particles immersed in the fluid. Particles are separated according to their density by passing them through the magnetic fluid. Interaction of particles within the fluid with the vector sum of gravitational and levitation forces causes each particle to travel a trajectory through the fluid characteristic of its density. Particles exit from the fluid at different locations, according to their density, thus allowing collection of density-graded fractions.
U.S. Pat. 3,788,465, Jan. 29, 1974, Chem. Abstr. Not Found
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