METHOD FOR PRODUCTION OF COPPER SULFATE Russian patent published in 1996 - IPC

Abstract RU 2060945 C1

FIELD: non-ferrous metallurgy. SUBSTANCE: method involves preliminary purification of sulfate solutions against impurities of metals, evaporation and crystallization. mentioned above evaporation is carried out at mass ratio of copper and sulfuric acid in origin solution and after its evaporation is (1:2) and (1-3):1 respectively. Said crystallization is carried out within 24-72 h after evaporation. EFFECT: improves efficiency of method. 2 tbl

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RU 2 060 945 C1

Authors

Jashina G.M.

Fedulov Ju.N.

Dates

1996-05-27—Published

1993-01-12—Filed