微电解法处理化学镀铜废水  

Treatment of electroless copper plating wastewater by micro-electrolysis

作　　者：陈川[1] 周元祥[1] 范晨晨 刘专[1] 张涛[1] 

机构地区：[1]合肥工业大学资源与环境学院,安徽合肥230009

出　　处：《电镀与涂饰》2016年第3期159-163,共5页Electroplating & Finishing

摘　　要：采用铁碳微电解法处理某印制线路板厂的化学镀铜废水。介绍了其原理,探究了不同因素对废水处理效果的影响,得到较优的工艺条件为:初始pH 4.0,铁炭质量比3∶2,铁炭总量25 g/L,曝气量1.6 L/min(对于200 m L废水而言),处理时间30 min。在较优工艺条件下,出水Cu^(2+)的质量浓度和COD分别为0.19 mg/L和40.52 mg/L,去除率分别为99.5%和70.1%,达到GB 21900–2008中表3的排放要求。The electroless copper plating wastewater from a printed circuit board factory was treated by iron-carbon micro-electrolysis. The related mechanism was introduced, and the effects of operation conditions on treatment efficiency were studied. The optimal operation conditions were obtained as follows： initial pH 4.0, mass ratio of cast iron to activated carbon 3：2, total dosage of cast iron and activated carbon 25 g/L, aeration rate 1.6 L/min （for 200 mL wastewater） and treatment time 30 rain After treating under the optimal conditions, the mass concentration of Cu2＋ and COD in the effluent is 0.19 mg/L and 40.52 mg/L respectively, with a removal efficiency of 99.5% and 70.1% respectively, meeting the emission requirements of Table 3 in GB 21900-2008 standard.

关 键 词：化学镀铜废水 铁碳微电解 铜离子 化学耗氧量 去除 

分 类 号：X703.1[环境科学与工程—环境工程]