FIELD: building industry. SUBSTANCE: raw mixture consisting of phosphogypsum and cement dust is pressed and rounding and then granule surface is powdered with mineral finely dispersed powder at specific surface value 300-500 m2/kg. Mineral powder: electrofilter dust or fly ash. EFFECT: complete neutralization of acid residues in phosphogypsum, high strength of granules, improved transportability. 2 tbl
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