通过碳黑填充有机硅膜的方法,制备了一种新型聚二甲基硅氧烷(PDMS)优先脱醇渗透蒸发分离膜,考察了铸膜液制备、溶剂、碳黑粒径及处理方法和进料温度与膜的渗透蒸发性能之间的关系.结果表明,采用超声分散碳黑和正癸烷溶剂可以制得性能良好的膜.利用热处理过的N110碳黑填充PDMS膜,可以在保持分离因子不变的前提下,使总渗透通量提高到空白膜的两倍以上.碳黑填充PDMS膜总通量随进料温度升高而增加,选择性基本保持不变.
参考文献
| [1] | Lipnizki Frank;Ten Po-Kiong;Field Robert W. .Pervaporation-based hybrid process: A review of process design, applications and economics[J].Journal of Membrane Science,1999(2):183-210. |
| [2] | Smitha B;Suhanya D;Sridhar S;Ramakrishna M .Separation of organic-organic mixtures by pervaporation - a review[J].Journal of Membrane Science,2004(1):1-21. |
| [3] | Watson J M;Payne P A .A study of organic compound pervaporation through silicone rubber[J].Journal of Membrane Science,1990,49:171-205. |
| [4] | Hennepe H J C;Bargeman D;Mulder M H V et al.Zeolite-filled silicone rubber membranes.Part 1.Membrane preparation and pervaporation results[J].Journal of Membrane Science,1987,35:39-55. |
| [5] | H.Yang;Q.T.Nguyen;Z.Ping;Y.Long;Y.Hirata .Desorption and pervaporation properties of zeolite-filled Poly(dimethylsiloxane) membranes[J].Materials research innovations,2001(2):101-106. |
| [6] | Frank Lipnizki;Stephan Hausntanns .Hydrophobic Pervaporation of Binary and Ternary Solutions: Evaluation of Fluxes, Selectivities, and Coupling Effects[J].Separation Science and Technology,2004(10):2235-2259. |
| [7] | 陈新,平郑骅,张耀华,丁雅娣,龙英才.水热处理Silicalite-Ⅰ沸石填充硅橡胶膜Ⅰ对有机溶剂-水混合物的渗透蒸发分离性质[J].功能高分子学报,1994(04):399-404. |
| [8] | Duval J M;Folkers B;Mulder M H V et al.Separation of a toluene/ethanol mixture by pervaporationusing active carbonfilled polymeric membranes[J].Separation Science and Technology,1994,29:357-373. |
| [9] | 姜忠义,李多,贾琦鹏.填充型渗透蒸发膜的研究进展[J].膜科学与技术,2002(03):43-47. |
| [10] | 李炳炎.炭黑生产与应用手册[M].北京:化学工业出版社,2001:68-72. |
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