Chia Nan University of Pharmacy & Science Institutional Repository:Item 310902800/22030
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    標題: Novel thin-film composite polyamide membranes prepared by interfacial polymerization for pervaporation separation of water from ethanol
    作者: Yun-Ying Hsieh
    Shu-Hsien Huang
    Der-Jang Liaw
    Cheng-Lee
    貢獻者: 環境工程與科學系
    日期: 2008-06
    上傳時間: 2009-11-27 15:52:32 (UTC+8)
    摘要: To improve the pervaporation performance of polyamide membrane, novel thin-film composite (TFC) polyamide membranes were prepared by interfacial polymerization of novel water-soluble 2,2’-dimethylbenzidine hydrodiamine (m-tolidine-H) and toluene-soluble trimesoyl chloride (TMC) on the surfaces of modified asymmetric polyacrylonitrile (mPAN) membrane. Effects of aqueous amine solution immersion time and polymerization time on the pervaporation performance through m-tolidone-H-TMC/mPAN composite membranes were investigated. The permeation rate decreases with increasing both aqueous amine solution immersion time and polymerization time for pervaporation separation of 9Owt% ethanol water mixture through the m-tolidone-H-TMC/mPAN membrane. The polyamide/mPAN composite membrane prepared by immersing 1 .5wt% aqueous m-tclidine¡EH solution for lOs and then contacting with 0.O5wt% TMC for l0s has the best pervaporation performance. The water concentration in permeate approaches 99wt% and a 2300 g/m2h permeation rate with a 90 wt% aqueous ethanol solution at 2500 was obtained.
    關聯: The 8th Conference on Membrane Sci. & Tech，起迄日：2008/6/27~2008/6/27，地點：中壢
    显示于类别:[環境工程與科學系(所)] 會議論文

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