Fluidizing means for reducing viscosity of slurries

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

B - Operations, Transporting

01

J

134/55

B01J 13/00 (2006.01) B01F 3/12 (2006.01) B01F 7/26 (2006.01) C22B 3/22 (2006.01) B01F 7/00 (2006.01)

Patent

CA 1092477

Abstract of the Disclosure 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 where- by to cause relative movement between said mass and a contact- ing 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 de- sired level. A rotating drum or a container with a stirring device may be employed for carrying out the invention.

286158

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