CIESC Journal ›› 2016, Vol. 67 ›› Issue (S1): 289-295.doi: 10.11949/j.issn.0438-1157.20151807

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Conditions and process of pervaporation benzene/cyclohexane mixture by waterborne polyurethane membranes

YAO Lulu, YE Hui, SONG Ying, CUI Peng   

  1. School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, Anhui, China
  • Received:2015-12-01 Revised:2015-12-15 Online:2016-08-31 Published:2016-08-31
  • Supported by:

    supported by the National Natural Science Foundation of China (21476055).

Abstract:

The waterborne polyurethane membrane was synthesized with poly-1,4-butylene adipate glycol (PBA-2000) and toluene diisocyanate (TDI) and the properties of pervaporation benzene/cyclohexane mixture were tested to study the mass transfer characteristics during pervaporation process. From experimental data it can be concluded that the separation factor and flux should get bigger and smaller obviously as the membrane is very thin. And the variation of separation factor and flux was slight as the membrane thickness was certain thick. The improvement of downstream vacuum of the membrane should improve both the separation factor and flux. The bigger feed concentration and temperature should increase the flux and decrease the separation factor. The components in the pervaporation membrane should undergo the course of adsorbing swelling-evaporation in membrane-gaseous diffusion. The dry region of the membrane plays more effect during the pervaporation process.

Key words: waterborne polyurethane, membrane, pervaporation, benzene/cyclohexane, transport processes

CLC Number: 

  • TQ028.8
[1] 王学松,郑领英.膜技术[M].2版. 北京:化学工业出版社, 2013:24. WANG X S,ZHENG L Y. Membrane Technology[M].2nd ed. Beijing:Chemical Industry Press, 2013:24.
[2] YE H, LI J D, LIN Y Z, et al. Preparation and pervaporation performances of PEA-based polyurethaneurea and polyurethaneimide membranes to benzene/cyclohexane mixture[J]. J. Macromol. Sci. A, 2008, 45:563-571.
[3] WEE S L, TYE C T, BHATIA S, et al. Membrane separation process-pervaporation through zeolite membrane[J]. Sep. Purif. Technol., 2008, 63:500-516.
[4] ZHAO C H, WU H, LI X S, et al. High performance composite membranes with a polycarbophil calcium transition layer for pervaporation dehydration of ethanol[J]. J. Membrane Sci., 2013, 429:409-417.
[5] YI S L, SU Y, WAN Y H. Preparation and characterization of vinyltriethoxysilane (VTES) modified silicalite-1/PDMS hybrid pervaporation membrane and its application in ethanol/separation from dilute aqueous solution[J]. J. Membrane Sci., 2010, 360:341-351.
[6] PIERRE S, CATHERINE V, QUANG T N, et al. A simplified solutin-diffusion theory in pervaporation:the total solvent volume fraction model[J]. J. Membrane Sci., 2004, 224:117-127.
[7] LUE S J, PENG S H. Polyurethane(PU) membrane preparation with and without hydroxypropyl-β-cyclodextrin and their pervaporation characteristics[J]. J. Membrane Sci., 2003, 222:203-217.
[8] 王湛,周翀.膜分离技术基础[M].2版. 北京:化学工业出版社, 2006:360. WANG Z, ZHOU C. Membrane Separation Technology[M]. 2nd ed. Beijing:Chemical Industry Press, 2006:360.
[9] 姜忠义,李多,彭福兵. 渗透蒸发传质理论与模型(Ⅰ):穿膜传质模型[J]. 膜科学与技术,2003, 23(2):37-41. JIANG Z Y,LI D,PENG F B. Mass transfer theories and models for pervaporation(Ⅰ):Models for trans-membrane mass transfer[J]. Membr. Sci. Tech., 2003, 23(2):37-41.
[10] WOLINSK G A. Effect of the hard segment domains on the permeation and separation ability of the polyurethane-based membranes in benzene/cyclohexane separation by pervaporation[J]. J. Membrane Sci., 2006, 282:225-236.
[11] 叶宏, 王丹,陈剑,李继定. 改性聚氨酯膜的制备及渗透汽化苯/环己烷分离性能[J]. 高分子材料科学与工程,2009, 25(10):91-93,97. YE H, WANG D, CHEN J, et al. Preparation of modified polyurethane membranes and their pervaporation performances to benzene/cyclohexane mixture[J]. Polymer Mater. Sci. & Eng., 2009, 25(10):91-93,97.
[12] 叶宏,李继定,林阳政,等. PEA型聚氨酯膜的制备及渗透汽化苯/环己烷的分离性能[J]. 高分子材料科学与工程,2009, 25(3):103-106. YE H, LI J D, LIN Z Y, et al. Preparation of PEA-based polyurethane membranes and their pervaporation performances to benzene/cyclohexane mixture[J]. Polymer Mater. Sci. & Eng., 2009, 25(3):103-106.
[13] KATSUKI K, SEIKI Y, SHIGEHARU M. Separation of benzene/cyclohexane mixture using polyurethane-silica hybrid membrans[J]. J. Membrane Sci., 1998, 149:29-37.
[14] MUSZYNSKI J, WOLINSKA G A, PENCZEK P. Synthesis, characterization, and pervaporation properties of segmented poly(urethane-urea)s[J]. J. Appl. Polym. Sci., 1999, 71:1615-1625
[15] DONG Y Q, GUO H B, SU Z X, et al. Pervaporation separation of benzene/cyclohexane through AAOM-ionic liquids/polyurethane membranes[J]. Chem. Eng. Process., 2015, 89:62-69.
[16] 许戈文. 水性聚氨酯材料[M]. 北京:化学工业出版社, 2006:2. XU G W. Waterborne Polyurethane Material[M]. Beijing:Chemical Industry Press, 2006:2.
[17] 宋影,姚路路,王泽,等. 水性聚氨酯膜的制备及渗透汽化分离苯/环己烷[J]. 高分子材料科学与工程,2015,31(12):21-27,31. SONG Y, YAO L L,WANG Z, et al. Preparation of waterborne polyurethane membranes and pervaporation performances to separate benzene/cyclohexane[J]. Polymer Mater. Sci. & Eng., 2015,31(12):21-27,31.
[18] 张秋根,陈瑜,陈建华,等. 新型聚乙烯醇/硅系杂花膜的制备及渗透性能[J]. 化工学报,2007, 58(5):1238-1243. ZHANG Q G, CHEN Y, CHEN J H, et al. Preparation and permeation characteristics of novel PVA/APTEOS hybrid membranes[J]. Journal of Chemical Industry and Engineering (China), 2007,58(5):1238-1243.
[19] JOSE V B, VIRTUDES N B, PATRICIA V, et al. Addition of nanosilicas with different silane content to thermoplastic polyurethane adhesives[J]. Int. J. Adhes. Adhes., 2006, 26(5):378-387.
[20] 宁超峰, 何春清, 张明, 等. 用正电子湮没谱研究聚酯型聚氨酯的微观结构和自由体积特性[J]. 高分子学报,2001, (3):299-305. NING C F, HE C Q, ZHANG M, et al. Micro-structure and free volume properties of linear polyurethanes measured by using positron annihilation spectroscopy[J]. Acta Polym. Sin., 2001, (3):299-305.
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