Method for producing clay slurries

Details Method for producing clay slurries Method for producing clay slurries

1977-09-16

1978-10-03

Douglas, Winston A.

Compositions: coating or plastic

Materials or ingredients

106 72, 106309, C09C 142

Patent

active

041182456

ABSTRACT:
Method for manufacturing a stable, fluid, highly concentrated aqueous suspension of calcined clay which has satisfactory rheological properties and calcined clay particles having desirable low abrasiveness. A dispersed fluid aqueous suspension of the clay containing about 50 to 55% solids is recirculated through one or more vertical agitated mills containing a particulate grinding medium such as 1/16-inch zirconia spheres. Portions of dry calcined clay are added in increments to the suspension during recirculation until the desired high clay solids level, usually 60 to 70%, is obtained.

REFERENCES:
patent: 3106476 (1963-10-01), Millman et al.
patent: 3134549 (1964-05-01), Quackenbush et al.
patent: 3266917 (1966-08-01), Sawyer et al.
patent: 3798044 (1974-03-01), Whilley et al.
patent: 4018673 (1977-04-01), Hughes et al.

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