Membrane Journal (멤브레인)

The Membrane Society of Korea (한국막학회)
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Characteristic of the Permeation Flux of Hollow Fiber Membranes by Process Pressures Change

공정압 변화에 따른 중공사막의 투과플럭스 특성

  • Lee, Yong-Taek (College of Environment and Applied Chemistry, Department of Chemical Engineering, Kyung Hee University) ;
  • Kim, Nam-Su (Hyorim Industries Inc. Plant Team) ;
  • Shin, Dong-Ho (College of Environment and Applied Chemistry, Department of Chemical Engineering, Kyung Hee University)
  • 이용택 (경희대학교 환경.응용화학대학 화학공학 및 신소재공학) ;
  • 김남수 ((주)효림산업 플랜트팀) ;
  • 신동호 (경희대학교 환경.응용화학대학 화학공학 및 신소재공학)
  • Published : 2007.12.30
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Abstract

This study was carried out to evaluate the performance of the separate membrane (HF; hollow fiber membrane with polysulfone) process applied with the external membrane types, internal pressure membrane types and external-internal types according to the variations of pressure and membrane pore size in the purification treatment process of the lake water. The maximum permeate flux was average values of 282 LMH and 234 LMH with the pore size of 0.3 and 0.05 ${\mu}m$ respectively in the external pressure membrane process, and 443 LMH and 522 LMH with the pore size of 0.3 and $0.05{\mu}m$ respectively in the internal pressure membrane process. In addition, the maximum permeate flux of the process that was applied with external and internal membrane pressure simultaneously showed the average values of 674 LMH with the pore size of $0.3{\mu}m$, and 648 LMH with the pore size of $0.05{\mu}m$. Therefore, maximum yield per unit area is supposed when the separate membrane that was applied with external and internal pressure simultaneously are used to treat the lake water.

본 연구에서는 호소수의 정수처리공정 중 폴리술폰계 중공사막을 이용한 침지형(흡인압)과 외압형을 동시에 적용한 분리막 공정으로 압력 및 공경에 따른 투과플럭스의 변화에 관한 성능을 평가하고자 하였다. 침지형(흡인압) 공정의 압력에 따른 최대 투과 플럭스는 공경이 $0.3{\mu}m$에서 평균 282 LMH, $0.05{\mu}m$에서는 234 LMH를 나타내었으며 외압형(외압) 공정의 압력에 따른 최대 투과 플럭스는 공경이 $0.3{\mu}m$에서 평균 443 LMH, $0.05{\mu}m$에서는 522 LMH를 나타내었다. 또한, 흡인압과 외압을 동시에 적용한 공정의 압력에 따른 최대 투과 플럭스는 공경이 $0.3{\mu}m$에서 평균 674 LMH $0.05{\mu}m$에서는 648 LMH를 나타내었다. 따라서, 호소수를 이용한 정수처리공정에서 분리막으로 흡인압과 외압을 동시에 이용할 경우 단위 면적당 생산수를 최대로 할 수 있을 것으로 사료된다.

Keywords

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