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It is shown that carboxyl group is introduced into the charged membrane by infra-red spectrum,and the modified membrane rejection has significant increase from 9.23% to 89.02% while the membrane flux has only slight decrease.
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研究结果表明;实验制备得到的荷负电膜引入了羧基基团;膜的透过率影响较少;而截留率比未改性膜提高了9倍;由9.;23%25增加到89
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