FIELD: alcohol industry. SUBSTANCE: ethyl alcohol is subjected to epuration on an epuration column and rectification on an alcohol column in presence of alkali and with joint supply into the alcohol column of potassium manganate in the amount of 0.2-0.9 g/decaliter of alcohol, and hydrogen peroxide in the amount of 0.1-0.5 g/decaliter of alcohol in terms of 100-% hydrogen peroxide. EFFECT: higher efficiency.
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