采用混凝-Fenton-SBR法处理印刷线路板乳化废液,实验结果表明,采用聚合氯化铁(PFC),在pH值为6．3,投加量为2800mg/L的条件下,COD去除率约为80．9%。混凝后废水利用Fenton处理,在pH=3时,H2 O2用量为50g/L,FeSO4·7H2 O的用量为5g/L时,废水COD降为1342mg/L,BOD降为657mg/L,废水的可生化性指数为0．49,可利用SBR处理,生化出水COD浓度低于485mg/L,可达到《广东省水污染物排放限值》( DB44/26-2001)中COD的三级排放标准。
The emulsion wastewater was treated by the combined process of coagulation-fenton and SBR. In the coagulation processing,the results showed that 80. 9% removal of COD could be obtained by using PFC at the con-ditions of solution pH 6. 3,and the dosage 2800mg/L. The fenton process was used to treat the effluent of coagula-tion,when the wastewatre pH is 3,the H2 O2 is 50g/L and the dosage of FeSO4·7H2 O is 5g/L,the COD concentra-tion of wastewater decreased to 1342mg/L,the BOD concentration decreased to 657mg/L,and the ratio of BOD5/COD was 0. 49. COD concentration of SBR effluent was lower than 485mg/L,which could meet the three grade e-mission standard of Guangdong provincial water pollutants discharge limits (DB44/26-2001).
参考文献
| [1] | 彭娟,陈晓凌,郑帅飞,宋少华.不锈钢膜技术处理高浓度乳化废水的研究[J].化工科技,2013(05):34-37,68. |
| [2] | Al-shamraniA,JamesA,XiaoH,Separation oil from water by dissolved air flotation[J].Colloids and Surfaces,2002,209 |
| [3] | Rios G,Pazos C,Coca J . Destabilization of cutting oil emulsions using inorganic salts as coagulants[J].Colloids and Surfaces,1998,138 |
| [4] | 宋东红 . 破乳-酸化还原联合工艺处理亚硝酸钠乳浊液[J].工业水处理,1992,12(3):21-29.,1992. |
| [5] | 孔繁贵 . 高浓度乳化液的快速破乳[J].工业水处理,1985,5(3):51-52.,1985. |
| [6] | Tang W,Zeng X,Zhao J,et al. The study on the wet air oxidation of highly concentration emulsi-fied wastewater rand its kinetics [J]. Seperation and Purification Technology, 2003, 31(1):77-82.,2003. |
| [7] | 王丽敏,李秋荣,石晴.电絮凝法处理含油废水的研究[J].化工科技,2005(03):30-33. |
| [8] | 夏立新,刘泉,张路,赵濉,俞稼镛.微波辐射破乳研究进展[J].化学研究与应用,2005(05):588-591. |
| [9] | 刘永,周家华,王保金,罗宗铭.超临界水氧化技术[J].化工科技,2002(03):46-49. |
| [10] | 方婷,李沪萍,罗康碧,陈举恩,李兵,张光利.声化学技术处理有机废水的研究进展[J].化工科技,2006(05):40-45. |
| [11] | 李爱玲.超滤处理乳化液污水[J].水处理技术,1983(03):43. |
| [12] | 王罗春,闻人勤,丁桓如.Fenton试剂处理难降解有机废水及其应用[J].环境保护科学,2001(03):11-14. |
| [13] | 卢义程,赵建夫,李天琪. 高浓度乳化废水芬顿氧化实验研究[J]. 工业用水与废水,1999, 30(4):20-22.,1999. |
| [14] | 史春莲 .物理化学法处理乳化油废水的研究[D].青岛海洋大学,2000. |
| [15] | Walling E . Fenton’s reagent revisited[J].Ac-counts of Chemical Research,1975,8(4):125-131.,1975. |
| [16] | 陈传好,谢波,任源,吴超飞,韦朝海.Fenton试剂处理废水中各影响因子的作用机制[J].环境科学,2000(03):93-96. |
- 下载量()
- 访问量()
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%