FIELD: chemical technology. SUBSTANCE: method involves addition of mixture of ions Al(III) and Fe(III) taken at ratio, wt.-%: 40:60 followed by boiling. Mixture of Al and Fe is obtained by electrolytical electrode dissolving and boiling is carried out for 1-20 min. Method is used for preparing feeding water for steam boilers and for drinking water making. EFFECT: improved method of water preparing. 8 cl, 5 tbl
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