FIELD: industrial inorganic synthesis. SUBSTANCE: agglomerate consists of primary peanut-shaped particles 0.5 to 2 mcm in size combined into secondary agglomerated structure. It is prepared by performing continuous interaction of cobalt(II) chloride, nitrate, or sulfate with aqueous solution of alkali metal and/or ammonium carbonate and/or bicarbonate at 40-100 C (preferably 60-90 C) to form spherical basic cobalt carbonate. The latter is isolated, washed to remove neutral salts, and reduced into metallic cobalt agglomerate. EFFECT: improved quality of cobalt products. 6 cl, 4 dwg, 3 tbl, 5 ex
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