通过特定的化学反应对不同截留分子量的再生纤维素(RC)超滤膜进行改性,得到一系列间隔臂长度不同的荷负电超滤膜.选用腐殖酸(HA)作为天然有机物的代表物质,比较不同间隔臂长度和不同截留分子量的RC膜对腐殖酸去除效果和膜污染情况,分析膜阻力.实验结果表明,不同截留分子量的改性膜对腐殖酸的去除效果都比未改性膜好,同时膜通量的衰减变小,即膜污染现象减轻.间隔臂长度较大的膜对腐殖酸的去除更有效,同时膜污染更轻,这主要是由于间隔臂长度较大的改性荷负电膜上的Zeta电位较大,与带同种电荷的腐殖酸之间的静电排斥作用更大.
参考文献
| [1] | 张慧,于海琴.水中天然有机物对超滤膜污染研究[J].工业用水与废水,2007(04):98-101. |
| [2] | 刘振中,宋刚福.水源水中腐殖酸的危害及去除方法[J].江西科学,2006(04):247-252. |
| [3] | 张显球,张林生,吕锡武.纳滤对水中有机微污染的去除效果与应用[J].水处理技术,2005(02):62-65. |
| [4] | 吴一蘩;高乃云;乐林生.饮用水消毒技术[M].北京:化学工业出版社,2006 |
| [5] | Zularisam A W;Ismail A F;Salim R .Behaviors of natural organic matter in membrane filtration for surface water treatment-a review[J].Desalination,2006,194(1-3):211231. |
| [6] | 张玲玲,顾平.微滤和超滤膜技术处理微污染水源水的研究进展[J].膜科学与技术,2008(05):103-109. |
| [7] | Wang Y;Xu X M;Jegatheesan V et al.Effects of coagulants on the fouling and performance of ultrafiltration(UF) membranes[J].Desal water treat,2009,11(13):32-37. |
| [8] | Cho J;Amy G;Pellegrino J .Membrane filtration of natural organic matter:factors and mechanisms affecting rejection and flux decline with charged ultrafiltration (UF) membrane[J].Journal of Membrane Science,2000,164(1-2):89-110. |
| [9] | 侯娟,邵嘉慧,何义亮.荷电超滤膜对天然有机物去除及膜污染行为的影响[J].环境科学,2010(06):1525-1531. |
| [10] | Jiahui Shao;Juan Hou;Hongchen Song .Comparison of humic acid rejection and flux decline during filtration with negatively charged and uncharged ultrafiltration membranes[J].Water research: A journal of the international water association,2011(2):473-482. |
| [11] | Song H;Shao J .Natural organic matter removal and flux decline with charged ultrafiltration and nanofiltration membranes[J].Journal of Membrane Science,2011,376:179-187. |
| [12] | Zou H;Luo Q;Zhou D .Affinity membrane chromatography for the analysis and purification of proteins.[J].Journal of Biochemical and Biophysical Methods,2001(1/3):199-240. |
| [13] | Mehta A;Zydney AL .Effect of spacer arm length on the performance of charge-modified ultrafiltration membranes[J].Journal of Membrane Science,2008(1/2):304-314. |
| [14] | 张述林;罗启芳 .水生腐殖酸净化技术研究进展[J].城市环境,2002,16(06):7-9. |
| [15] | 赵媛媛,王志,王纪孝,王世昌.含腐殖酸类有机物模拟废水超滤过程研究[J].膜科学与技术,2006(01):42-46. |
| [16] | Yuan W .Fouling by humic acids during ultrafiltration and microfiltration for water treatment[D].Delaware:University of Delaware,2001. |
| [17] | van Reis .Charged filtration membranes and uses therefor[P].US Pat:7001550B2,2006-02-21 |
| [18] | Douglas B.Burns;Andrew L.Zydney .Buffer effects on the zeta potential of ultrafiltration membranes[J].Journal of Membrane Science,2000(1/2):39-48. |
| [19] | A.W. Zularisam;A.F. Ismail;M.R. Salim .The effects of natural organic matter (NOM) fractions on fouling characteristics and flux recovery of ultrafiltration membranes[J].Desalination: The International Journal on the Science and Technology of Desalting and Water Purification,2007(1/3):191-208. |
| [20] | 罗欢,刘广立,刘杰,倪晋仁.不同超滤膜过滤天然有机物的膜污染特性研究[J].环境污染治理技术与设备,2005(05):46-50. |
| [21] | B.Z.Dong;Y.Chen;N.Y.Gao .Effect of pH on UF membrane fouling[J].Desalination: The International Journal on the Science and Technology of Desalting and Water Purification,2006(1/3):201-208. |
| [22] | 岳兰秀 .红枫湖、百花湖水中溶解有机物分子量分布特征及环境地球化学意义[D].中国科学院地球化学研究所,2004. |
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%