화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.27, No.1, 235-240, January, 2010
DOI10.1007/s11814-009-0310-8  Export Citation
Development of a hydrogen purifier with Pd-based composite membrane
Shin-Kun Ryi, Jong-Soo Park1, †, Sung-Hyun Kim2, Dong-Won Kim3, Byong-Il Woo3, and John Ross Grace
  • Department of Chemical and Biological Engineering, University of British Columbia, 2360 East Mall Vancouver, Canada V6T 1Z3
  • 1Korea Institute of Energy Research, 71-2, Jang-dong, Yuseong-gu, Daejeon 305-343, Korea
  • 2Department of Chemical and Biological Engineering, Korea University, 5-Ga, Anam-dong Sungbuk-gu, Seoul 136-701, Korea
  • 3Department of Advanced Materials Engineering, Kyonggi University, Suwon-city, Gyeonggi-do 443-760, Korea
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A hydrogen purifier equipped with Pd-Cu-Ni/PNS membranes has been developed to purify low-grade hydrogen and supply it to processes requiring high-purity hydrogen. The purifier does not include any purge system to flush out hydrogen from the membrane module to prevent membrane embrittlement because there is no α-β phase transition below the critical point of the Pd-H system, making the purifier simple. The hydrogen purifier was tested with three different grades of hydrogen, 90, 99 and 99.9%, to determine the effects of the grade of feed hydrogen on the hydrogen permeation behavior. A lower grade required a lower recovery ratio of the purifier to obtain a given relative hydrogen permeation flux. It was confirmed that the purifier can provide high-purity hydrogen to a gas chromatograph (GC) for carrier and make-up gases. A 75-day durability test provided evidence that the hydrogen purifier could be useful for extended periods as needed for commercial processes.
Keywords:Hydrogen;Purifier;Membrane Module;Pd Based Membrane;Composite Membrane
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