分别以硫酸铜、氯化铜、硝酸铜溶液为模拟电镀废水进行了纳滤实验,所采用纳滤膜为Osmonics的DK、DL膜和日东电工的NTR-7450膜.实验表明,三种膜通量大小顺序为DL＞DK＞NTR-7450,随原料液浓度的增大膜通量降低,而膜对铜离子的截留率有升高的趋势;纳滤膜对各盐的截留率大小排序为硫酸盐＞氯盐＞硝酸盐.实验还考察了添加其它离子对纳滤膜通量和截留率的影响.结果表明,加入CaCl2后,对DL膜性能影响不显著;加入Na2SO4后,DL膜的通量变化不明显,截留率略有升高;加入EDTA能明显提高DL膜通量和对铜离子的截留率.
参考文献
| [1] | 高以;王黎霓 .膜分离技术用于电镀废水处理的发展与问题[J].北京工业大学学报,1990,16(03):86-93. |
| [2] | Ahn K-H;Song K G;Cha H-Y et al.Removal of ions in nickle electroplating rinse water using low-pressure nanofiltration[J].Desalination,1998,122:77-84. |
| [3] | Wong F-S;Qin J-J;Wai M N et al.Pilot study on a membrane process for the treatment and recycling of spent final rinse water from electroless plating[J].Sep Pur,2002,29:41-51. |
| [4] | Ozaki H;Sharma K;Saktaywin W .Performance of an ul-tra-low-pressure reverse osmosis membrane (ULPROM) for separating heavy metal:Effect of interference parameters[J].Desalination,2002,144:287-294. |
| [5] | 楼永通,陈益棠,王寿根,董金城,徐荣安,贺持缓,李国良,陶维正.膜分离技术在电镀镍漂洗水回收中的应用[J].膜科学与技术,2002(02):43-47. |
| [6] | Chai Xijun .Pilot scale membrane separation of electroplating waste water by reverse osmosis[J].Journal of Membrane Science,1997,123:235-242. |
| [7] | Qdais H A;Moussa H .Removal of heavy metals from wastewater by membrane process:A comparative study[J].DESALINATION,2004,164:105-110. |
| [8] | Ujang Z.;Anderson GK. .Performance of low pressure reverse osmosis membrane (LPROM) for separating mono- and divalent ions[J].Water Science and Technology,1998(4/5):521-528. |
| [9] | Qin J J;Oo M H;Lee H et al.Effect of feed pH and ion rejection under acid conditions in NF process[J].Journal of Membrane Science,2004,232:153-159. |
| [10] | Bargeman G;Vollenbroek JM;Straatsma J;Schroen CGPH;Boom RM .Nanofiltration of multi-component feeds. Interactions between neutral and charged components and their effect on retention[J].Journal of Membrane Science,2005(1/2):11-20. |
| [11] | 岳红.高等无机化学[M].北京:机械工业出版社,2002 |
| [12] | 薛福连.乙二胺四乙酸的开发应用[J].上海化工,2005(07):47. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%