FIELD: chemistry.
SUBSTANCE: fine powder is pre-compacted, compressed, comminuted (crushed), the obtained forms (pellets, strips, ribbons, tiles, plates) are rubbed through a sieve and additional balling of the obtained compacted fine powder is performed using uncompacted powder. The method is also implemented by means of equipment for method implementation comprising successively installed feeding pre-compression set screw, mill or roller press with pressing rollers, knife grinder, rubbing sieves, plate or tubular granulator.
EFFECT: obtaining of spherical granules retaining treated powder composition, and obtaining of granules with hardness of not more than 100 grams measured as per ASTM D5230 standard.
17 cl, 3 dwg
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