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采用铁碳内电解法预处理焦化厂焦油车间综合废水，通过分析铁碳质量比、反应溶液 pH 值、反应时间及反应温度等条件对 COD 脱除率的影响，确定该废水处理法的最佳反应条件。试验结果表明，在常温条件下，铁碳质量比为6∶1、反应溶液 pH 值为3．0、反应时间为40 min 时，内电解法处理废水的COD 脱除率为25％～26％。“,”Wastewater from coal tar workshorp of coking plant was treated by Fe-C inner electrolysis.To find the optimum reactive conditions for the treatment,influences of m(Fe)/m(C),pH of the reaction solution,reaction time and reaction temperature on COD removal rate were analyzed.Experimental results show that COD removal rate could reach to 25 %-26 % under the conditions of 6∶1 of m(Fe)/m(C),3.0 of pH, 40 min of reaction time and room temperature.