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首页> 外文期刊>Journal of Applied Polymer Science >REMOVAL OF VIRUS FROM WATER BY FILTRATION USING MICROPOROUS MEMBRANES MADE OF POLY(N-BENZYL-4-VINYLPYRIDINIUM CHLORIDE)
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REMOVAL OF VIRUS FROM WATER BY FILTRATION USING MICROPOROUS MEMBRANES MADE OF POLY(N-BENZYL-4-VINYLPYRIDINIUM CHLORIDE)

机译：聚（N-苄基-4-乙烯基吡啶）制成的微孔膜滤除水中的病毒

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Two types of microporous filter materials were developed for removing virus from water by using poly(N-benzyl-4-vinylpyridinium chloride) that captures virus in water. Conventional ultrafiltration using one to three sheets of 145-mu m-thick cellulose nitrate membrane with a pore size of 0.45 mu m and coated with 1.7 mg/g of poly(N-benzyl-4-vinyIpyridinium chloride-co-styrene) showed 99.4-99.998% removal (2.2-4.7 log(10)-unit reduction in concentration) of bacteriophage T4, whereas the control experiments using noncoated membrane showed 91-96% removal (1.0-1.4 log,,-unit reduction in concentration) of the virus. A composite 360-mu m-thick microporous membrane with a pore size of 20 mu m was prepared that consisted of connected minute beads of 1.7 mu m in diameter made of crosslinked poly(N-benzyl-4-vinylpyridinium chloride) and reinforced by a nonwoven cloth. Simple filtration using one sheet of the composite membrane at 34.2 cm/h showed 99.96-99.9995% removal (3.4-5.3 log(10)-unit reduction in concentration). The virus was not detected in the filtrate when two sheets of the composite membrane were used. (C) 1996 John Wiley & Sons, Inc. [References: 11]
机译：通过使用聚（N-苄基-4-乙烯基吡啶鎓氯化物）捕获水中的病毒，开发了两种类型的微孔过滤材料，用于从水中去除病毒。使用一到三张孔径为145μm的硝酸纤维素膜（孔径为0.45μm）并用1.7 mg / g聚（N-苄基-4-乙烯基氯化吡啶鎓-共苯乙烯）包被的常规超滤显示为99.4噬菌体T4的去除率为-99.998％（浓度降低2.2-4.7 log（10）-单位），而使用无膜膜的对照实验表明，噬菌体T4去除了91-96％（浓度降低1.0-1.4 log，-单位）。病毒。制备了孔径为20μm的360μm厚的复合微孔膜，该膜由直径为1.7μm的连接的微小珠子组成，这些珠子是由交联的聚（N-苄基-4-乙烯基吡啶鎓氯化物）制成，并用氯乙烯增强无纺布。使用一张复合膜片以34.2 cm / h的速度进行简单过滤，显示去除率为99.96-99.9995％（浓度降低3.4-5.3 log（10）-单位）。当使用两片复合膜时，在滤液中未检测到病毒。 （C）1996 John Wiley＆Sons，Inc. [参考：11]

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