全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
化工学报  2012 

膜结构填料涂覆改性对精馏分离异丙醇/水体系的影响

DOI: 10.3969/j.issn.0438-1157.2012.12.025, PP. 3914-3919

Keywords: PSf/PVDF中空纤维膜结构填料,涂覆,PDMS,异丙醇/水,精馏

Full-Text   Cite this paper   Add to My Lib

Abstract:

采用聚二甲基硅氧烷(PDMS)对聚砜(PSf)、聚偏氟乙烯(PVDF)两种不同材料中空纤维膜结构填料进行了疏水涂覆改性,并研究了改性前后膜结构填料在异丙醇/水体系精馏分离中的材料性能变化。实验结果表明:PDMS涂覆使PVDF膜的分离效果提高了约20%,但使PSf膜的分离效果下降3%~10%。经涂覆后,膜结构填料的传质单元高度均在20cm以下,最小可达5cm左右;所有膜结构填料均可突破传统精馏操作弹性限制,其传质时间小于10s,水力学特性和传质效率更优。

References

[1]  Humphrey J L,Keller II G E.Separations Process Technology[M].New York:McGraw-Hill,1997
[2]  Zhang Guoliang,Cussler E L.Distillation in hollow fibers[J].AIChE Journal,2003,49:2344-2351
[3]  Zhang Guoliang,Cussler E L.Hollow fibers as structured distillation packing[J].Journal of Membrane Science,2003,215:185-193
[4]  Zhang Guoliang,Lin Lan,Meng Qin,Xu Youyi. Separation of alcohol-water solutions by distillation through hollow fibers[J].Industrial & Engineering Chemistry Research,2007,46:7820-7825
[5]  Yang Zhihong,Zhang Guoliang,Liu Feini,Meng Qin.Physicochemical characteristics of hollow fiber structured packings in isopropanol/water distillation[J].Industrial & Engineering Chemistry Research,2010,49:11594-11601
[6]  Zhang Guoliang(张国亮),Sun Haimin(孙海敏),Chen Yinfei(陈银飞),He Jinzhe(何晋浙).Hollow fiber membrane structured packing used in distillation and its mass transfer phenomena[J].Journal of Chemical Engineering of Chinese Universities(高校化学工程学报),2008,22(2):223-228
[7]  Lin Lan(林兰),Zhang Guoliang(张国亮),Meng Qin(孟琴).Ethanol-water separation in hollow fiber membrane contactor[J].Journal of Chemical Industry and Engineering(China)(化工学报),2007,58(11):2822-2826
[8]  Yang Dali,Barbero R S,Devlin D J,Cussler E L.Hollow fibers as structured packing for olefin/paraffin separations[J].Journal of Membrane Science,2006, 279:61-69
[9]  Sirichai K,Tan Xiaoyao,Wu Zhentao,Li K.Solvent distillation by ceramic hollow fiber membrane contactors[J].Journal of Membrane Science,2008, 314:58-66
[10]  Liu Gongping,Hou Dan,Wei Wang,XiangLi Fenjuan,Jin Wanqin.Pervaporation separation of butanol-water mixtures using polydimethylsiloxane/ceramic composite membrane[J].Chinese Journal of Chemical Engineering,2011,19(1):40-44
[11]  Gu Xiaoliang(顾晓亮),Lin Dongjie(林东杰),Wei Jie(魏杰),Ding Zhongwei(丁忠伟),Liu Liying(刘丽英).Separation of carbon dioxide and methane through a poly(dimethylsioxane)/asymmetric polyetherimide(PDMS/PEI)membrane[J].Journal of Beijing University of Chemical Technology(北京化工大学学报),2007,34(3):230-233
[12]  Hansen C M.Hansen Solubility Parameters:A User’s Handbook[M].2nd ed.Boca Raton,London,Washington D C:CRC Press,2007
[13]  Ren Danping(任丹萍),Duan Mohua(段谟华),Zhang Guoliang(张国亮),Meng Qin(孟琴),et al.Effect of packing density of hollow fiber contactors on shell-side mass transfer on distillation[J].CIESC Journal(化工学报),2009,60(9):2227-2230
[14]  Li Lei(李磊),Xiao Zeyi(肖泽仪),Pu Liang(蒲亮),Zhang Zhibing(张志炳).Mass transfer kinetics through composite silicone rubber membrane by pervaporation(Ⅱ)[J].Journal of Chemical Industry and Engineering(China)(化工学报),2002,53(12):1315-1319

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133