FIELD: production of granulated aluminium fluoride. SUBSTANCE: method for production of granulated aluminium fluoride includes treatment of aluminium hydroxide with fluosilic hydrofluoric acid and granulation by spraying substance containing mixture of solution of aluminum fluoride with concentration of 10-18% with powdery aluminium fluoride at their mass ratio of (30-100):1, respectively, on boiling layer of solid aluminium fluoride. Liberating dust during palletizing is collected. EFFECT: higher efficiency. 3 cl, 1 tbl
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Authors
Dates
1995-06-27—Published
1994-01-24—Filed