Process for the preparation of granules

Details Process for the preparation of granules Process for the preparation of granules

1987-09-28

1989-07-11

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

241 25, 264117, B02C 1900

Patent

active

048464090

ABSTRACT:
Low-dust, storage-stable granules are obtained in a continuous operating process in which the powder to be granulated is granulated in succession in a high-speed and low-speed mixing granulator, with the addition of a granulating liquid, and is then dried in a fluidized bed into which a liquid containing a binder is sprayed. The process is particularly suitable for the preparation of dyestuff granules which can easily be dispersed in the use medium.

REFERENCES:
patent: 2306698 (1942-12-01), Heller et al.
patent: 4238199 (1980-12-01), Rothbuhr et al.
Chemie-Technik 6, 1-1977, pp. 277-283.

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