| 液-液置换法测试超滤膜孔径及其分布的研究 |
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| 引用本文： | 诸爱士,林贤诉,高兴.液-液置换法测试超滤膜孔径及其分布的研究[J].浙江科技学院学报,2004,16(4):239-243. |
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| 作者姓名： | 诸爱士 林贤诉 高兴 |
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| 作者单位： | 浙江科技学院,生物与化学工程学系,浙江,杭州,310023;浙江科技学院,生物与化学工程学系,浙江,杭州,310023;浙江科技学院,生物与化学工程学系,浙江,杭州,310023 |
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| 基金项目： | 浙江省教育厅科研基金资助项目(20020338) |
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| 摘 要： | 利用液一液置换法测定了醋酸纤维CA超滤膜及聚丙烯腈PAN超滤膜的孔径及孔径分布。研究了测试流程、浸润一渗透体系对测定结果的影响及其测定的重复性等。结果表明，该方法可用于测定超滤膜的孔径及孔径分布．并且具有操作简便、测试压力接近膜工作压力等优点。
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| 关 键 词： | 液-液置换法 超滤膜 孔径 孔径分布 测量 |
| 文章编号： | 1671-8798(2004)04-0239-05 |
| 修稿时间： | 2004年4月19日 |
Study on determining pore size and pore size distribution of ultrafilratim mermbrane by liquid-liquid disqlacement method |
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| ZHU Ai-shi,LIN Xian-su,GAO Xing.Study on determining pore size and pore size distribution of ultrafilratim mermbrane by liquid-liquid disqlacement method[J].Journal of Zhejiang University of Science and Technology,2004,16(4):239-243. |
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| Authors: | ZHU Ai-shi LIN Xian-su GAO Xing |
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| Abstract: | The pore size and the pore size distribution of CA and PAN UF membrane were determined by liquid-liquid displacement method. The influence of determining process and wetting liquid and displacing liquid on the determined results were investigated. Two tests were run by using the same membrane and system. The results show that liquid-liquid displacement could determine the pore size and pore size distribution of UF membrane. This method is easy to use and its pressure is relatively low (near the operation pressure). |
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| Keywords: | liquid-liquid displacement method ultrafiltration membranes pore size pore size distribution measurement |
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