멤브레인 (Membrane Journal)

  • 제33권6호
  • /
  • Pages.377-382
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  • 2023
  • /
  • 1226-0088(pISSN)
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  • 2288-7253(eISSN)
한국막학회 (The Membrane Society of Korea)
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PEBAX/PVDF 복합막 제조 및 투과증발을 통한 에탄올/물 분리 연구

Preparation of PEBAX/PVDF Composite Membrane and Separaration of Ethanol/Water Mixtures by Pervaporation

  • 정예원 (국립부경대학교 공업화학.고분자공학부 공업화학전공) ;
  • 나해은 (국립부경대학교 공업화학.고분자공학부 공업화학전공) ;
  • 조세욱 (국립부경대학교 공업화학.고분자공학부 공업화학전공) ;
  • 손민영 (국립부경대학교 공업화학.고분자공학부 공업화학전공)
  • Ye Won Jeong (Department of Industrial Chemistry, Pukyong National University) ;
  • Haeeun Na (Department of Industrial Chemistry, Pukyong National University) ;
  • Se Wook Jo (Department of Industrial Chemistry, Pukyong National University) ;
  • Min Young Shon (Department of Industrial Chemistry, Pukyong National University)
  • 투고 : 2023.12.04
  • 심사 : 2023.12.07
  • 발행 : 2023.12.31
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초록

본 연구는 PEBAX/PVDF 복합막을 제조하고 에탄올/물 혼합액에 대한 투과증발 성능을 평가하였다. 또한 PVDF 지지체 표면에 ZIF-8 층을 형성하여 복합막의 투과증발 성능을 향상시키고자 하였고, PEBAX 선택층 두께에 따른 성능 비교를 통해 최적의 막을 선정하였다. 제작된 복합막을 물과 에탄올이 95/5 중량비로 혼합된 공급액에 대하여 투과증발 실험을 수행하였다. 그 결과 ZIF-8 충이 형성된 PVDF 지지체를 사용한 복합막의 경우 플럭스 1.98 kg/m2h, 분리 계수 3.88로 일반 PVDF 지지체를 사용한 복합막보다 투과량과 선택도가 모두 높은 값을 나타내었다.

In this study, a PEBAX/PVDF composite membrane was fabricated, and its pervaporation performance was tested in an ethanol/water mixture. In addition, we attempted to improve the pervaporation performance of the composite membrane by forming a ZIF-8 layer on the surface of the PVDF substrate. The thickness of selective layer was optimized by comparing the pervaporation performance depending on the PEBAX thickness. A pervaporation test was performed on the Ethanol/Water mixture. As a result, the composite membrane using PVDF substrate with ZIF-8 layer had a flux of 1.98 kg/m2h and separation factor of 3.88, showing higher values of both permeation flux and selectivity than the composite membrane using bare PVDF substrate.

키워드

과제정보

본 논문은 부산광역시 및 (재)부산테크노파크의 BB21plus 사업으로 지원된 연구임

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