Effect of Polymeric Surfactant on the Separation of 1-Naphthylamine by Micellar Enhanced Ultrafiltration Membranes

고분자형 계면활성제가 마이셀 촉진 한외여과법에 의한 1-나프틸 아민의 제거에 미치는 영향

  • Youngkook Choi (Advanced Chemical Technology Division, Korea Research Institute of Chemical Technology) ;
  • Soobok Lee (Advanced Chemical Technology Division, Korea Research Institute of Chemical Technology) ;
  • Minok Koo (Advanced Chemical Technology Division, Korea Research Institute of Chemical Technology) ;
  • Yutaka Ishigami (Applied Interface Laboratory, National Institute of Materials and Chemical Research, 1-1 Higashi) ;
  • Toshio Kajiuchi (Environmental Chemistry and Engineering, Tokyo Institute of Technology, O-okayama 2-12-1)
  • Published : 1997.10.01

Abstract

Polymeric micellar enhanced ultrafiltration method using a new type of polyrmer, $\alpha$-allyl-$\omega$-methoxy polyoxyethlene and maleic anhydride copolymer (AKM-0531, Mw 15, 000), has been proposed to separate 1-naphthylamine as a weak cationic toxic organic solubilizate. Enhancement effect of polymeric micelle was identified by the ultrafiltration runs using polyacryronitrile(PAN) holow fiber membrane with molecular weight cut off 6, 000. The linear dependance of flux on the pressure difference is shown to be valid up to 0.6kg/${cm}^2$ and the rate of flux increase in response to change in the pressure is gradually reduced under the pressure difference. Rejection of 0.96 was observed for f mM of 1-naphthylamine with 2 wt.% polymer solution at the conditions of 0.4kg/${cm}^2$, natural pH. and $25^{\circ}C$ Solubilization of 1-naphthylamine into the polymeric micelle enhanced the separation efficiency.

신규 고분자형 계면활성제($\alpha$-allyl-$\omega$-methoxy polyoxyethylene and maleic anhydride block copolymer)를 사용하는 고분자형 마이셀 촉진 한외여과법을 제안하였다. 제거용질로서는 염료의 중간체이며 발암성 물질인 1-나프틸 아민을 사용하였다. 고분자형 마이셀의 촉진효과는 중공사형 폴리아크리로니트릴 막(분획 분자량 6,000, 표면적 0.017$m^2$)을 사용하여 조사하였다. 플럭스의 선형의존성은 0.6kg/${cm}^2$까지 유지되었고, 점차 압력증가에 따라 플럭스 증가율은 감소하였다. 고분자형 마이셀을 첨가하지 않은 상태에서의 제거율은 2mM의 용질에 대하여 0.19, 2 wt.%의 고분자를 첨가한 상태에서의 제거율은 0.96이었다 고분자형 마이셀 내부로의 가용화가 분리효율을 5배 촉진시킨 것을 확인하였다.

Keywords

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