混凝-UV/Fenton法处理废切削液的研究  

Study on the treatment of waste cutting fluid by coagulation-UV/Fenton oxidation process

作　　者：侯巍 Hou Wei(Electric Power Research Institute of State Grid Hebei Electric Power Co.,Ltd.,Beijing 100045,China)

机构地区：[1]国网冀北电力有限公司电力科学研究院,北京100045

出　　处：《工业水处理》2020年第6期80-83,共4页Industrial Water Treatment

摘　　要：采用混凝-UV/Fenton氧化联合工艺对废切削液进行处理。通过对各影响因素进行考察,确定了混凝最佳条件:pH为7,PAC投加量2000 mg/L,助凝剂CPAM投加量10 mg/L;UV/Fenton氧化最佳条件:H2O2投加量0.9 Qth,n(H2O2)∶n(Fe^2+)=50∶1,反应时间为120 min。在最佳工艺条件下,废切削液经混凝-UV/Fenton处理后,COD由21400 mg/L降为432 mg/L,油质量浓度由4940 mg/L降为2 mg/L,BOD5/COD由原水的0.069增至0.784,出水可直接进行生物处理。实验证明,混凝-UV/Fenton处理废切削液可行。The waste cutting fluid was treated by coagulation-UV/Fenton oxidation process.The optimal conditions of coagulation were determined:pH=7,PAC dosage 2000 mg/L,and CPAM dosage 10 mg/L.The optimal conditions of UV/Fenton oxidation were determined:H2O2 dosage 0.9 Qth,n(H2O2)∶n(Fe^2+)=50∶1,and reaction time 120 min.Under the optimum conditions,COD of the waste cutting fluid was reduced from 21400 mg/L to 432 mg/L,oil mass concentration was reduced from 4940 mg/L to 2 mg/L,and BOD5/COD was increased from 0.069 to 0.784.Thus,the effluent can be directly biologically treated.The experimental results showed that the coagulation-UV/Fenton process is feasible to treat the waste cutting fluid.

关 键 词：废切削液 混凝 UV/FENTON 

分 类 号：X703.1[环境科学与工程—环境工程]