FIELD: electricity.
SUBSTANCE: method includes electrochemical treatment in aqueous working solution of orthophosphoric acid with concentration of 0.1÷2.8 wt % in mode of anode or pulse polarisation by DC at the ratio of τk:τa=2n:1, where n=0 : 1.05 and current density of 0.1÷10 A/dm2 and washing. At the same time in process of cleaning, compressed air is passed through zone of treatment in amount of 5÷10% from volume of working solution.
EFFECT: increased quality of surface cleaning and efficiency of process without additional costs of energy.
1 tbl, 7 ex
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