Method for dehydration of a composition of a fine powder and wat

Details Method for dehydration of a composition of a fine powder and wat Method for dehydration of a composition of a fine powder and wat

1986-08-28

1987-08-18

Schwartz, Larry T.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

134 12, 134109, F26B 516, B01D 1200

Patent

active

046867740

ABSTRACT:
From a composition of a fine powder and water, a fine powder minimally susceptible of agglomeration is obtained by a method which comprises adding to the composition of a fine powder and water a water-insoluble organic solvent at least in an amount enough for consequently forming an azeotropic composition with respect to the amount of the water involved, converting the resulting mixed liquid into a W/O type emulsion, and removing the water and the organic solvent from the emulsion.

REFERENCES:
patent: 4599807 (1986-07-01), Wells et al.

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