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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2011.4
- 수록면
- 249 - 256 (8page)
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초록· 키워드
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In this study, the Ni-based catalysts for the production of synthetic natural gas were prepared by various preparation methods such as the co-precipitation, precipitation, impregnation and physical mixing methods. The ranges of the reaction conditions were the temperatures of 250~350℃, H₂/CO mole ratio of 3.0, the pressures of 1 atm and the space velocity of 20000 ml/g<sub>-cat</sub>.·h. It was found that the catalyst prepared by precipitation method had higher CO conversion than the catalyst prepared by co-precipitation method. While the catalyst prepared by precipitation method had the formation of NiO structure, the catalyst prepared by co-precipitation method had the formation of NiAl<sub>2</sub>O₄ structure. It was confirmed that Ni-based catalyst prepared by the physical mixing method had the lowest CO conversion because it was deactivated by the production of Ni<sub>3</sub>C during the methanation. As a result, it was shown clearly that Ni-based catalysts prepared by impregnation method expressed the highest catalytic activity in CO methanation.
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참고문헌 (7)
참고문헌 신청
유영돈 / 2009 / 석탄 이용 합성천연가스(SNG) 제조 기술 / 한국공업화학회지 12(3):38~57
Greyson M. / 1955 / Synthesis of Methane, Technical report
C.Y. Wen / 1969 / Optimization of fixed bed methanation processes, Technical report
A. E. Cover / 1985 / Review of selected shift and methanation process for SNG production
Strakey J.P. / 1975 / Methanation in coal gasification processes, Technical report
Greyson M. / 1955 / Synthesis of Methane, Technical report
C.Y. Wen / 1969 / Optimization of fixed bed methanation processes, Technical report
A. E. Cover / 1985 / Review of selected shift and methanation process for SNG production
Strakey J.P. / 1975 / Methanation in coal gasification processes, Technical report
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