Fluidizing means for reducing viscosity of slurries

Details Fluidizing means for reducing viscosity of slurries Fluidizing means for reducing viscosity of slurries

1976-09-17

1977-12-27

Jenkins, Robert W.

Agitating

Method

366290, 366303, B01F 716, B01F 900

Patent

active

040651053

ABSTRACT:
Process and means are provided for reducing the viscosity of a work hardened slurry of finely divided ore having a pulp density of at least 15% by weight of solids, the process comprising, gently mechanically agitating a mass of said work hardened slurry confined in a container whereby to cause relative movement between said mass and a contacting surface such that said mass is subjected to shear forces, the relative movement being at a linear velocity sufficient to provide shear forces in said agitated mass in contact with the surface effective for reducing the viscosity to a desired level more than 50% below the original viscosity, and continuing said agitation at substantially said linear velocity until the viscosity has been reduced to said desired level. A rotating drum or a container with a stirring device may be employed for carrying out the invention.

REFERENCES:
patent: 3645813 (1972-02-01), Pelikan
patent: 3669417 (1972-06-01), Cornwell
patent: 3719455 (1973-03-01), Ohono
patent: 3752653 (1973-08-01), Weber
patent: 3756570 (1973-09-01), Buhner

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