膜蒸馏膜的疏水性是控制出水品质和过程运行稳定性的关键之一.本文系统总结了本课题组采用CF4等离子体对亲水、疏水膜材料进行疏水改性用于膜蒸馏的研究进展,描述了CF4等离子体的改性机理及疏水改性膜的直接接触式膜蒸馏过程的性能等.对超疏水改性对膜性能影响的机理进行了探索,发现(超)疏水改性可提高膜蒸馏过程的有效蒸发面积,从而提高膜蒸馏过程的热效率和通量,为制备高性能新型蒸馏膜材料提供了新思路.
参考文献
[1] | El-Bourawi MS;Ding Z;Ma R;Khayet M .A framework for better understanding membrane distillation separation process[J].Journal of Membrane Science,2006(1/2):4-29. |
[2] | Abdullah Alkhudhiri;Naif Darwish;Nidal Hilal.Membrane distillation: A comprehensive review[J].Desalination: The International Journal on the Science and Technology of Desalting and Water Purification,2012:2-18. |
[3] | Khayet, M. .Membranes and theoretical modeling of membrane distillation: A review[J].Advances in colloid and interface science,2011(1/2):56-88. |
[4] | Wei X;Zhao B;Li xin et al.CF4 plasma surface modification of asymmetric hydrophilic polyethersulfone membranes for direct contact membrane distillation[J].Journal of Membrane Science,2012,407-408:164-175. |
[5] | Li X M;Ji Y;He T et al.A sacrificial-layer approach to prepare microfiltration membranes[J].Journal of Membrane Science,2008,320(1-2):1-7. |
[6] | Ji Y;Li X M;Yin Y et al.Morphological control and cross-flow filtration of microfiltration membranes prepared via a sacrificial-layer approach[J].Journal of Membrane Science,2010,353(1-2):159-168. |
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%