Solid material comminution or disintegration – Processes – With classifying or separating of material
Patent
1979-04-06
1981-08-04
Halper, Robert
Solid material comminution or disintegration
Processes
With classifying or separating of material
209 3, 209 39, 209214, 106288B, B02C 2318, B03B 104
Patent
active
042817994
ABSTRACT:
An improved method for separating minute, weakly magnetically susceptible particles from an aqueous clay-water slurry containing said particles in minor concentration with substantially non-magnetic minute mineral particles. In accordance with the improvement, the effects of subjecting said particles to separation in a magnetic field, are augmented by subjecting the slurry to a preliminary treatment which mechanically works the dispersed phase of the slurry as to effect release of the contaminant particles. Such working may, for example, be provided by subjecting the slurry, preferably at high solids content, to mechanical shear, to high velocity impact, or to kneading.
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Flanders Harold H.
Halper Robert
Hyer W. F.
J. M. Huber Corporation
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