Process for the determination of liquid absorption of powdery so

Details Process for the determination of liquid absorption of powdery so Process for the determination of liquid absorption of powdery so

1988-08-19

1989-11-21

Williams, Hezron E.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Content or effect of a constituent of a liquid mixture

73 73, 73 53, G01N 1300

Patent

active

048814024

ABSTRACT:
A process for measuring the liquid absorption capacity of a powder includes the step of spraying a liquid in the form of a spray cone at a constant throughput from at least one spraying device onto a powder being stirred in the mixing chamber of a mixer, the powder filing between 10 to 80% of the mixing chamber. The torque of the stirrer of the mixer is measured both before and during the spraying step, and from this measurement both a maximum level of the torque and the time difference between the beginning of the spraying step and the time when the maximum level is reached are determined. An amount of liquid absorption of the powder is then determined based upon the liquid mass which is sprayed during that time difference.

REFERENCES:
patent: 3952584 (1976-04-01), Lichstein
patent: 4003981 (1977-01-01), Turk et al.
patent: 4062228 (1977-12-01), Peak
patent: 4560524 (1985-12-01), Smuckler
ATSM D 2414-82.

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