Membrane Journal (멤브레인)

The Membrane Society of Korea (한국막학회)
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Development of High-Permeability Ceramic Hollow Fiber and Evaluation of CH4/CO2 Separation Characteristics of Membrane Contactor Process

고투과성 세라믹 중공사 개발과 접촉막 공정의 CH4/CO2 분리 특성 평가

  • Lee, Seung Hwan (Department of Chemical and Biochemical Engineering, Dongguk University) ;
  • Kim, Min Kwang (Department of Chemical and Biochemical Engineering, Dongguk University) ;
  • Jeong, Byeong Jun (Department of Chemical and Biochemical Engineering, Dongguk University) ;
  • Zhuang, Xuelong (Department of Chemical and Biochemical Engineering, Dongguk University) ;
  • Park, Jung Hoon (Department of Chemical and Biochemical Engineering, Dongguk University)
  • 이승환 (동국대학교 화공생물공학과) ;
  • 김민광 (동국대학교 화공생물공학과) ;
  • 정병준 (동국대학교 화공생물공학과) ;
  • 장학룡 (동국대학교 화공생물공학과) ;
  • 박정훈 (동국대학교 화공생물공학과)
  • Received : 2020.07.24
  • Accepted : 2020.08.18
  • Published : 2020.08.31
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Abstract

In this study, CO2 separation experiment was performed on a CH4/CO2 mixed gas using a ceramic hollow fiber membrane contactor (HFMC). In order to fabricate high-performance HFMC, experiments were conducted to manufacture high-permeability hollow fiber membranes, and the prepared hollow fiber membranes were evaluated through N2 gas permeation experiments. HFMC for CH4/CO2 mixed gas separation was manufactured using the manufactured high-permeability hollow fiber membrane. In the experiment, mixed gas of CH4/CO2 (34.5% CO2, CH4 balance) and monoetanolamine (MEA) was used, and the effect of CO2 removal efficiency on the flow rate of the absorbent was evaluated. The CO2 removal efficiency increased as the liquid flow rate increased, and the CO2 absorption flux also increased with the liquid flow rate.

본 연구에서는 세라믹 중공사 접촉막 모듈을 이용하여 CH4/CO2 혼합가스에서 CO2 분리 실험을 수행하였다. 높은 성능의 접촉막 모듈을 제작하기 위해 고투과성 중공사막의 제조 실험을 진행하였으며, 제조한 중공사막은 N2 기체투과실험을 통해 투과 성능을 평가하였다. 최종적으로 고투과도 중공사막을 이용하여 CH4/CO2 혼합 기체 분리를 위한 Hollow fiber membrane contactor (HFMC)를 제작하였다. 실험에는 CH4/CO2 혼합 기체(34.5% CO2, CH4 balance)와 monoethanolamine (MEA)를 사용하였으며, CO2 제거 효율이 흡수제의 유량에 따라 어떠한 영향을 받는지 평가하였다. CO2 제거 효율은 액체유량이 증가함에 따라 같이 상승하였으며, CO2 흡수 flux 또한 액체유량과 함께 증가하는 결과를 보였다.

Keywords

References

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