| 膜萃取处理高盐水杨酸废水传质特性研究 |
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| 引用本文： | 杜飞,张爱丽,李小芳,周集体.膜萃取处理高盐水杨酸废水传质特性研究[J].环境工程,2011(Z1). |
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| 作者姓名： | 杜飞 张爱丽 李小芳 周集体 |
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| 作者单位： | 大连理工大学化工与环境生命学部; |
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| 摘 要： | 采用膜萃取分离法处理高盐水杨酸废水。讨论了料液流量F、反应温度T、萃取液pH值、料液进水浓度Cf,in等因素对膜传质性能和水杨酸去除效果的影响。结果表明:总传质系数Kov受料液流量和反应温度两因素影响较大;在Cf,in=854.2±19.7 mg/L、F=3 L/d、T=323 K、萃取液侧pH=11.5±0.2、膜管长L=50 m的条件下,水杨酸去除率可达97%。
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| 关 键 词： | 均质硅橡胶膜 膜萃取 总传质系数 水杨酸 |
MASS TRANSFER CHARACTERIZATION OF MEMBRANE EXTRACTION OF HIGH-SALINITY SALICYLIC ACID WASTEWATER |
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| Du Fei Zhang Aili Li Xiaofang Zhou Jiti.MASS TRANSFER CHARACTERIZATION OF MEMBRANE EXTRACTION OF HIGH-SALINITY SALICYLIC ACID WASTEWATER[J].Environmental Engineering,2011(Z1). |
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| Authors: | Du Fei Zhang Aili Li Xiaofang Zhou Jiti |
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| Institution: | Du Fei Zhang Aili Li Xiaofang Zhou Jiti(Faculty of Chemical,Environmental and Biological Science and Technology,Dalian University of Technology,Dalian 116024,China) |
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| Abstract: | A membrane extraction process for the treatment of high-salinity salicylic acid(SA) simulation wastewater was studied.The effects of influent flow rate,system temperature,pH in the stripping solution and initial SA concentration in the influent on mass transfer process and the SA removal efficiency were discussed.The influent flow rate and system temperature were determined to be major factors affecting the overall mass transfer coefficient.Around 97% SA removal was obtained under conditions of influent SA ... |
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| Keywords: | non-porous silicone rubber membrane membrane extraction overall mass transfer coefficient salicylic acid |
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