컴팩트 개질기용 수성가스전이 반응을 위한 Cu-CeO 2 촉매에 대한 Nb 2 O 5 의 영향

The water-gas shift reaction for the compact reformer was carried out at a gas hourly space velocity of 72,152 h-1 over the Cu-Nb-CeO2 catalysts prepared by co-precipitation method. In order to investigate the effect of Nb2O5 promotion over a Cu-CeO2 catalyst, the Nb2O5 loading amount was systematic...

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Published in한국수소 및 신에너지학회 논문집 Vol. 31; no. 1; pp. 57 - 64
Main Authors 정창훈, 김태광, 변희주, 김주환, 배은택, 선해림, 전경원, 정대운, JEONG, CHANG-HOON, KIM, TAE-GWANG, BYON, HUI-JU, KIM, JU-HWAN, BAE, EUN-TAEK, SHEN, KAILIN, JEON, KYUNG-WON, JEONG, DAE-WOON
Format Journal Article
LanguageKorean
Published 2020
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Abstract The water-gas shift reaction for the compact reformer was carried out at a gas hourly space velocity of 72,152 h-1 over the Cu-Nb-CeO2 catalysts prepared by co-precipitation method. In order to investigate the effect of Nb2O5 promotion over a Cu-CeO2 catalyst, the Nb2O5 loading amount was systematically changed from 0 to 5 wt.%. Among the prepared catalysts, the Cu-Nb-CeO2 (1%) catalyst showed the highest catalytic activity (CO conversion=61% at 400℃) as well as 100% CO2 selectivity. The high activity and stability of Cu-Nb-CeO2 (1%) catalyst are correlated to high Brunauer-Emmett-Teller surface area, small metallic Cu crystallite size, and enhanced redox property.
AbstractList The water-gas shift reaction for the compact reformer was carried out at a gas hourly space velocity of 72,152 h-1 over the Cu-Nb-CeO2 catalysts prepared by co-precipitation method. In order to investigate the effect of Nb2O5 promotion over a Cu-CeO2 catalyst, the Nb2O5 loading amount was systematically changed from 0 to 5 wt.%. Among the prepared catalysts, the Cu-Nb-CeO2 (1%) catalyst showed the highest catalytic activity (CO conversion=61% at 400℃) as well as 100% CO2 selectivity. The high activity and stability of Cu-Nb-CeO2 (1%) catalyst are correlated to high Brunauer-Emmett-Teller surface area, small metallic Cu crystallite size, and enhanced redox property.
Author JEON, KYUNG-WON
선해림
JEONG, CHANG-HOON
정창훈
정대운
KIM, JU-HWAN
SHEN, KAILIN
BAE, EUN-TAEK
변희주
전경원
배은택
JEONG, DAE-WOON
김주환
BYON, HUI-JU
김태광
KIM, TAE-GWANG
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  fullname: JEONG, DAE-WOON
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Title 컴팩트 개질기용 수성가스전이 반응을 위한 Cu-CeO 2 촉매에 대한 Nb 2 O 5 의 영향
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