吹脱法处理DMF废水的实验研究  

Experimental research on the treatment of DMF wastewater by air stripping

作　　者：邱玉[1] 陈英文[1] 沈树宝[1] 

机构地区：[1]南京工业大学生物制药工程学院,江苏南京211816

出　　处：《工业水处理》2013年第9期63-65,共3页Industrial Water Treatment

摘　　要：对吹脱法处理N,N-二甲基甲酰胺(DMF)废水进行了研究,分别考察了加碱量、温度、吹脱时间、气液比对吹脱实验的影响。通过实验发现:室温下,加碱量为40 g/L,气液比为3 000∶1,吹脱反应5 h后,DMF废水中TOC的去除率达到60%,DMF的去除率达到95%以上,B/C由0.10提高到了0.39,极大地改善了DMF废水的可生化性。实验结果表明:吹脱法处理DMF废水的工艺可以作为生物处理的预处理手段,同时也为工程实际提供参考。The air stripping method for treating N,N-dimethylformamide （DMF） wastewater has been studied.The influencing factors,including dosage of alkali,temperature,air-stripping time,air-liquid ratio have been investigated.By the experimental research,the TOC removing rate can reach 60％ and DMF removing rate can reach more than 95％ at room temperature,when the dosage of alkali is 40 g/L,air-liquid ratio 3 000：1,and air-stripping time 5 h.The ratio of B/C is increased from 0.10 to 0.39,and biodegradability is improved greatly.The results show that air stripping method can be used as a preprocessing measure of biological treatment,and its results also provide reference for engineering practice.

关 键 词：吹脱 N N-二甲基甲酰胺 废水处理 吹脱效率 

分 类 号：X703[环境科学与工程—环境工程]