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The Membrane Society of Korea (한국막학회)
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Fabrication and Hydrogen Separation Performance of Newly Created Ti-Based Alloy Membrane

신조성의 Ti-기반 합금 수소분리막의 설계 및 수소투과 성능

  • Min Yeong Ko (Department of Chemical and Biochemical Engineering, Dongguk University) ;
  • Min Chang Shin (Department of Chemical and Biochemical Engineering, Dongguk University) ;
  • Xuelong Zhuang (Department of Chemical and Biochemical Engineering, Dongguk University) ;
  • Jae Yeon Hwang (Department of Chemical and Biochemical Engineering, Dongguk University) ;
  • Sung Woo Han (Department of Chemical and Biochemical Engineering, Dongguk University) ;
  • Si Eun Kim (Department of Chemical and Biochemical Engineering, Dongguk University) ;
  • Jung Hoon Park (Department of Chemical and Biochemical Engineering, Dongguk University)
  • 고민영 (동국대학교 화공생물공학과) ;
  • 신민창 (동국대학교 화공생물공학과) ;
  • 장학룡 (동국대학교 화공생물공학과) ;
  • 황재연 (동국대학교 화공생물공학과) ;
  • 한성우 (동국대학교 화공생물공학과) ;
  • 김시은 (동국대학교 화공생물공학과) ;
  • 박정훈 (동국대학교 화공생물공학과)
  • Received : 2024.02.19
  • Accepted : 2024.04.01
  • Published : 2024.04.30
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Abstract

In this experiment, a Ti-based flat hydrogen separation membrane was designed and manufactured. In order to find a Ti-based hydrogen separation membrane of a new composition, the correlation between the physical-chemical properties and hydrogen permeability of various alloys was investigated. Based on this, two types of new alloy films (Ti14.2Zr66.4Ni12.6Cu6.8 (70 ㎛), Ti17.3Zr62.7Ni20 (80 ㎛)) was designed and manufactured. The manufactured flat hydrogen separation membrane was tested for hydrogen permeation using mixed gas (H2, N2) and sweep gas (Ar) at 300~500℃ and 1~4 bar. The Ti14.2Zr66.4Ni12.6Cu6.8 alloy film has a maximum flux of 16.35 mL/cm2 min at 500℃ and 4 bar, and the Ti17.3Zr62.7Ni20 alloy film has a maximum flux of 10.28 mL/cm2 min at 450℃ and 4 bar.

본 실험에서는 Ti를 기반으로 한 평판 수소 분리막을 설계하여 제조하였다. 새로운 조성의 Ti를 베이스로 한 수소 분리막을 찾기 위하여 여러 합금들의 물리화학적 특성과 수소투과도 사이의 상관관계에 대해 조사하였다. 이를 바탕으로 신조성의 합금막 2종(Ti14.2Zr66.4Ni12.6Cu6.8 (70 ㎛), Ti17.3Zr62.7Ni20 (80 ㎛))을 설계 및 제조하였다. 제조된 평판 수소 분리막은 300~500℃, 1~4 bar의 조건에서 혼합 가스(H2, N2), sweep 가스(Ar)를 이용하여 수소 투과 실험을 진행하였다. Ti14.2Zr66.4Ni12.6Cu6.8 합금막은 500℃, 4bar에서 최대 16.35 mL/cm2 min의 flux를 가지며, Ti17.3Zr62.7Ni20 합금막은 450℃, 4 bar에서 최대 10.28 mL/cm2 min의 flux를 가진다.

Keywords

Acknowledgement

본 연구는 한국전력공사의 2021년 선정 기초연구개발 과제 연구비에 의해 지원되었습니다. (과제번호: R21XA01-30)

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