Method for improving handleability of calcined kaolin clay produ

Details Method for improving handleability of calcined kaolin clay produ Method for improving handleability of calcined kaolin clay produ

1984-10-15

1985-12-31

Goldberg, Howard N.

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

241 29, B02C 1704, B02C 1912

Patent

active

045615977

ABSTRACT:
A method for increasing the bulk density and decreasing the time of wetting with water of a substantially anhydrous kaolin clay powder, comprising dry ball-milling the said powder using work inputs of from about 5 to about 40 HP-hrs/ton of dry clay, followed by pulverization in a high energy impact mill and classification to eliminate undesirable larger particles. The ball-milling may be effected by grinding the clay with ceramic balls of less than 5 inches diameter. The process enables improved handling characteristics for the treated clay with respect to bulk material handling systems.

REFERENCES:
patent: 1771477 (1930-07-01), Alton
patent: 1771479 (1930-07-01), Alton
patent: 3021195 (1962-02-01), Podschus et al.
patent: 3774856 (1973-11-01), Hamilton et al.
Ralph E. Grim, "Clay Mineralogy", 1968, 298.

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