电化学转盘法处理切削液废水

Electrochemical Treatment of Cutting Oil Wastewater Using a Rotating Electrochemical Disc Process

采用一种新型电化学装置——电化学转盘处理切削液废水。电化学转盘转动时能加快传质并使空气中的氧气加速溶解于溶液中。通过实验研究了电化学转盘法处理切削液废水中的油和COD的方法,并与传统的电化学反应器的处理效果进行了比较。实验结果表明,与传统的电化学反应器处理效果相比,电化学转盘法能更好地去除切削液废水中的油和COD,在转速为60 r/min、电压为10 V、pH值为7.75条件下处理120 min,去除率能分别达到94.9%和83.7%

In this work,a novel electrochemical setup—Rotating Electrochemical Disc Process（RECDP） is prepared and used for cutting oil wastewater（COW） treatment.This setup can speed up the rate of the mass transfer and increase the oxygen transfer from air to the bulk solution when the disc is rotating.The oil and COD removal of cutting oil wastewater is experimentally investigated using both developed RECDP and traditional electrochemical reactor（TER）.The experimental results show that RECDP is more efficient than traditional electrochemical reactor and can efficiently remove the oil and COD of COW,its removal efficiency reached 94.9 % and 83.7%,respectively（rotate speed： 60 rpm,voltage： 10V;pH： 7.75 and time： 120 min）.