Membrane Journal (멤브레인)

The Membrane Society of Korea (한국막학회)
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Fabrication and Hydrogen Permeation Properties of $V_{99.8}B_{0.2}$ Alloy Membrane for Hydrogen Separation

수소 분리를 위한 $V_{99.8}B_{0.2}$ 분리막의 제조와 수소투과특성

  • Jung, Yeong-Min (Green House Gas Center, Korea Institute of Energy Research) ;
  • Jeon, Sung-Il (Department of Chemical Engineering, Chung Nam National University) ;
  • Park, Jung-Hoon (Green House Gas Center, Korea Institute of Energy Research)
  • 정영민 (한국에너지기술연구원 온실가스센터) ;
  • 전성일 (충남대학교 화학공학과) ;
  • 박정훈 (한국에너지기술연구원 온실가스센터)
  • Received : 2011.09.04
  • Accepted : 2011.11.04
  • Published : 2011.12.20
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Abstract

No investigation has yet been accomplished to screen the boron-doped effects on vanadium based metal membranes. The synthesis, hydrogen permeation properties and chemical stability of a novel Pd-coated $V_{99.8}B_{0.2}$ alloy membrane are presented in this report. Hydrogen permeation experiments have been performed to investigate the hydrogen transport properties through the Pd-coated $V_{99.8}B_{0.2}$ alloy membrane in the absolute pressure range 1.0~3.0 bar under pure hydrogen, hydrogen-carbon dioxide gas mixture at $400^{\circ}C$. The maximum hydrogen permeation flux was $48.5mL/min/cm^2$ for a 0.5 mm thick membrane under pure hydrogen. This results offer new direction in the synthesis of novel non-Palladium-based metal membranes for hydrogen separation in water-gas shift reaction.

보론이 도프된 바나듐 합금 분리막은 아직까지 연구된 적이 없다. 본 연구에서는 팔라듐이 코팅된 새로운 $V_{99.8}B_{0.2}$ 조성의 합금 분리막을 합성하여 수소 투과 특성 및 화학적 안정성에 대하여 연구를 수행하였다. 순수 수소, 수소와 이산화탄소의 혼합가스를 $400^{\circ}C$, 절대압력 1.0~3.0 bar에서 공급하여 수소 투과 특성을 알아보았다. 순수 수소를 공급하여 측정한 결과 0.5 mm 두께의 분리막은 최대 $48.5mL/min/cm^2$의 투과량을 보였다. 본 연구 결과는 수성가스 전이반응(WGS)에서 생성된 수소를 분리할 수 있는 비 팔라듐계 수소 분리막의 합성에 새로운 방향을 제시하고 있다.

Keywords

References

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