FIELD: catalytic chemistry. SUBSTANCE: powder of electrolytic cobalt and urea are mixed, urea content in said mixture being 20 -30 mass%. Then mixture is compressed and tableted under the pressure. Tablets are poured with aluminium oxide and are calcined on open air at 910-1150 C to remove urea. After separating aluminium oxide tablets are additionally calcined at 1100-1200. Thus treated tablets are cooled and impregnated with solution of calcium salt. The process is followed by additional calcination at 300-800 C. EFFECT: improves efficiency of the method. 1 tbl
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