Method of concentrating slurried kaolin

Details Method of concentrating slurried kaolin Method of concentrating slurried kaolin

1985-07-19

1987-08-18

Bashore, S. Leon

Concentrating evaporators

Superheating and pressure release

159 171, 159 243, 159 471, 159DIG32, 203 14, 203 26, 203 27, 203 88, 203DIG8, 202174, 202176, 202235, 501150, 210774, B01D 128, B01D 306

Patent

active

046875468

ABSTRACT:
A beneficiated kaolin clay slurry is concentrated from a solids content of about 50% to 60% by weight to a solids content of at least 65% by weight by evaporating water therefrom by passing the aqueous clay slurry through one or more non-contact evaporated heat exchangers. The kaolin clay slurry is passed in indirect heat exchange relationship with a heating vapor, with the heating vapor comprising water vapor previously evaporated from the aqueous clay slurry.

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