화학공학소재연구정보센터
학회 한국화학공학회
학술대회 2009년 봄 (04/23 ~ 04/24, 광주 김대중컨벤션센터)
권호 15권 1호, p.1041
발표분야 촉매 및 반응공학
제목 Combined H2O and CO2 Reforming of CH4 overNi-Ce/Al2O3 Catalysts to Produce Syngas for Gas to Liquid (GTL) Process
초록 Ce-promoted Ni/Al2O3 catalysts were applied for the combined steam and carbon dioxide reforming of methane (CSCRM) to produce the syngas for gas to liquid (GTL) process. Ni-Ce/Al2O3 catalysts with various Ce content have been prepared by co-impregnation and characterized by XRD, BET and H2-TPR. The reaction was performed with the ratio of (H2O+CO2)/CH4 of 1.2 and H2/CO ratio of 2 was achieved in CSCRM. Coke formation in used catalysts was examined by SEM and TEM. It has been found that catalytic activity and stability depends on the Ce content over Ni/Al2O3 catalyst and the interaction between Ce and Ni on the surface. The Ni/Al2O3 catalyst with 6wt% Ce shows the highest activity as well as high coke resistance due to the improvement of Ni dispersion and high oxygen storage capacity of ceria.
저자 구기영1, 노현석2, 정운호1, 윤왕래1
소속 1한국에너지기술(연), 2연세대
키워드 GTL; 복합개질; 수증기-이산화탄소 리포밍; 합성가스; 코크
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