화학공학소재연구정보센터
학회 한국화학공학회
학술대회 2008년 봄 (04/23 ~ 04/25, 제주ICC)
권호 14권 1호, p.392
발표분야 분리기술
제목 The study of Pd-Cu-Ni ternary alloy membrane deposited on a polishing treated PNS
초록 In this study, We used a porous nickel support that has enlarged pore size distribution and increased gas permeation flux compared with previous one. The surface pore size of the porous nickel support was reduced by polishing process with sandpaper followed by wet polishing with alumina powder. The polishing process significantly reduced surface roughness and almost plugged pores of the porous nickel support. A 12 ㎛ thick defect-free Pd-Cu-Ni ternary alloy film could be formed on the modified porous nickel support with polishing process and the plugged pores by polishing process regenerated during Cu-reflow at 700℃ by nickel upward diffusion. Furthermore, we could obtain 2.9 times higher hydrogen permeation flux than the results of previous studies because of decreased support resistance.
저자 이신근1, 박종수1, 김성현2, 황경란1, 이춘부2, 김동원3, 조규일3
소속 1한국에너지기술(연), 2고려대, 3경기대
키워드 Hydrogen separation; Dense membrane; Palladium; Porous nickel support
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