화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.36, No.8, 1243-1248, August, 2019
DOI10.1007/s11814-019-0309-8  Export Citation
Effect of precipitation on physico-chemical and catalytic properties of Cu-Zn-Al catalyst for water-gas shift reaction
Hyun-Suk Na, Seon-Yong Ahn, Jae-Oh Shim, Kyung-Won Jeon, Hak-Min Kim, Yeol-Lim Lee, Won-Jun Jang1, Byong-Hun Jeon2, †, and Hyun-Seog Roh†
  • Department of Environmental Engineering, Yonsei University, 1 Yonseidae-gil, Wonju, Gangwon 26493, Korea
  • 1Department of Environmental and Energy Engineering, Kyungnam University, 7 Kyungnamdaehak-ro, Changwon-si, Gyeongsangnam-do 51767, Korea
  • 2Department of Earth Resources and Environmental Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea
E-mail:,
To investigate the effect of precipitation on physico-chemical and catalytic properties of Cu-Zn-Al catalyst, the pH value and injection rate in the precipitation process were systematically changed, and the water-gas shift reaction was carried out. The Cu-Zn-Al catalyst showed the highest CO conversion when the optimized synthesis parameters (i.e., pH=10-10.5 and injection rate=30ml/min) were employed. This is mainly due to the enhanced physicochemical properties such as a high Brunauer-Emmett-Teller surface area, small crystallite size, high Cu dispersion, and easier reducibility.
Keywords:Water-gas Shift;Cu-Zn-Al;Precipitation Process;pH;Injection Rate
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