FIELD: chemistry.
SUBSTANCE: method involves electrochemical treatment of aqueous solutions containing 0.10-0.20 g/l of nitrite ions and 0.30-0.45 g/l of sodium sulfate or sodium chloride, in a cell of a non-current type with a diaphragm, a cathode of stainless steel, an ORTA-type anode at current strength of 0.25-0.40 A, current density of 0.25-0.40 A/cm2, voltage of 38-42 V, temperature of 22-30°C, a duration of 40-45 minutes.
EFFECT: method allows to increase the removal degree of nitrite ions, to reduce the consumption of electroconductive additive, to expand the range of solutions used.
2 ex
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