화학공학소재연구정보센터
학회 한국화학공학회
학술대회 2009년 봄 (04/23 ~ 04/24, 광주 김대중컨벤션센터)
권호 15권 1호, p.499
발표분야 에너지
제목 Catalyst Deactivation in Ethanol Steam Reforming at Low Temperature
초록 To produce H2 from ethanol steam reforming at low temperatures, Rh/CeO2-ZrO2 catalysts with various CeO2/ZrO2 ratios have been prepared and applied for the target reaction at low temperatures. All the catalysts deactivated with time on stream due to carbonaceous deposition at low temperatures. The addition of 0.5% K has a beneficial effect on catalyst stability, while 5% K has a negative effect on catalytic activity.The catalyst could be regenerated considerably even at ambient temperature and could recover its initial activity after regeneration above 200°C with 1% O2. The results are most consistent with catalyst deactivation due to carbonaceous deposition on the catalyst.
저자 노현석
소속 연세대
키워드 catalyst deactivation; ethanol steam reforming; Rh; CeO2-ZrO2
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