Taking into account the practical importance of the electrochemical oxidation of the CN -ion from wastewaters, a systematically study was preformed, regarding the influences of the anode nature, current density, temperature and Cu 2+ concentration on the rate of the overall electrolytic process. The cell optimal parameters were found to be: nickel anode, the anode-cathode interval of 2 cm, current density 0,65 A/dm 2 , concentration range (10 -2 -10 -5 ) mol CN -/L, initial molar ratio c 0 (CN -)/c 0 (Cu 2+ ) = 5/1 and temperature, under 50 0 C. In these conditions, the specific consumption of energy is of (5-10) KWh/KgCN -.
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