A Study on the Mass Transfer of Extraction Process by Use of Hollow Fiber Membrane Module

실관막 모듈을 이용한 추출공정의 물질전달에 관한 연구

  • 김영일 (동아대학교 공과대학 화학공학과) ;
  • 진도원 (대판대학기초공학부 화학공학과) ;
  • 김종현 (동서대학교 응용공학부 화학공학과) ;
  • 최대웅 (동의대학교 공과대학 화학공학과) ;
  • 박동원 (동아대학교 공과대학 화학공학과)
  • Received : 1996.06.18
  • Accepted : 1996.09.02
  • Published : 1996.10.10

Abstract

Liquid-liquid extractions by use of hollow fiber membrane module are fast because of the large surface area per volume. In these membranes, the extractant and feed can be contacted at high speed and two flows are completely independent, so there are no problems with loading and channeling. In this paper, it was investigated the selectivities of extractants for extraction of heavy metals from aqueous solution into organic extractants by using the hollow fiber membrane. To identify the effect of distribution ratio on mass transfer in the membrane, we also compared the distribution ratio with mass transfer coefficient. From these experiments for the system with high distribution ratio, effect of the distribution ratio on mass transfer was weak compare with the low distribution ratio system in the hollow fiber membrane.

Keywords

References

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