采用PVDF管式超滤膜对生化处理后的果汁废水进行预处理,讨论了膜两侧压差、膜面流速、温度以及膜污染对膜性能的影响.结果表明,在最佳的操作条件为:膜两侧压差0..23～0.27 MPa,膜面流速1.6～2.m/s,温度35～42℃.超滤(UF)出水浊度小于0.5 NUT、污染指数SDI小于2.5,满足后续反渗透膜的进水水质要求.同时,pH=12、温度为45℃的碱洗可以使PVDF管式超滤的纯水透水率恢复系数r达到95%.
参考文献
| [1] | 许振良.膜法水处理技术[M].北京:化学工业出版社,2001 |
| [2] | 高从堦.反渗透膜分离技术的创新性进展[J].膜科学与技术,2006(06):1-4,11. |
| [3] | Abdesserned D;Nezzal G;Aim R B .Coagulation adsorption ultrafiltmtion for wastewater treatment and reuse[J].Desalination,2000,131:307-314. |
| [4] | Madwar K;Tarazi H .Desalination techniques for industrial wastewater reuse[J].Desalination,2003,152:325-332. |
| [5] | Abdessemed D;NezzaI G .Treatment of primary effluent by coagulation-adsorption-ultrafiltration for reuse[J].Desalination,2003,152:367-373. |
| [6] | Mohaen M S;Jaber J O .Potential of industrial wastewater reuse[J].Desalination,2003,152:281-289. |
| [7] | R.Suthanthararajan;E.Ravindranath;K.Chitra;B.Umamaheswari;T.Ramesh;S.Rajamani .Membrane application for recovery and reuse of water from treated tannery waste water[J].Desalination: The International Journal on the Science and Technology of Desalting and Water Purification,2004(2):151-156. |
| [8] | Cabassurd C;Burgaudb C;Espenan J M .Spring water treatment with ultrafiltration and st.ripping[J].Desalination,2001,137:123-131. |
| [9] | 镇祥华,于水利,庞焕岩,班辉,苗宝林.超滤膜处理油田采出水用于回注的试验研究[J].环境污染与防治,2006(05):329-333. |
| [10] | Choi H;Zhang K;Dionysiou DD;Oerther DB;Sorial GA .Influence of cross-flow velocity on membrane performance during filtration of biological suspension[J].Journal of Membrane Science,2005(1/2):189-199. |
| [11] | Lin C J;Rao P;Shirazi S .Effect of operating parameters on permeate flux decline caused by cake formation a mcdel study[J].Desalination,2005,171:95-105. |
| [12] | 钟常明,郎万中,许振良,管爱国,朱亚平.纳滤膜脱除纺丝洗涤废水中非挥发组分的研究[J].工业水处理,2006(10):30-33. |
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