FIELD: granulated material production.
SUBSTANCE: present invention relates to granulated particles with increased resistance to abrasion and to a method for their production. The method for producing granulated particles by granulation in a fluidized layer of inorganic particles includes feeding inorganic particles dispersed in a dispersion medium. Inorganic particles have a value D90 in the range from 1 mcm to 15 mcm. Obtained spherical calcined granulated particles have a value D50 in the range from 100 mcm to 5000 mcm, preferably from 400 mcm to 1000 mcm.
EFFECT: obtaining particles with high sphericity and smoothness of the outer surface, resistant to abrasion.
15 cl, 4 ex, 4 tbl, 16 dwg
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