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성형 Co-Ru-Zr-Si 촉매를 이용한 이산화탄소에 의한 메탄 리포밍
남정광 ( Jeong Kwang Nam ),이지혜 ( Ji Hye Lee ),송상훈 ( Sang Hoon Song ),안홍찬 ( Hong Chan Ahn ),장태선 ( Tae Sun Chang ),서정권 ( Jeong Kwon Suh ),김성보 ( Seong Bo Kim ) 한국공업화학회 2012 공업화학 Vol.23 No.2
The methane dry reforming has received the considerable attention in recent years, mainly as an attractive route to produce synthesis gas (CO, H2) from green-house gases (CH4, CO2) for resources. However, this process has not been commercialized due to the high temperature and catalyst deactivation. In this study, Co-Ru-Zr catalysts supported on SiO2 were studied for the characterization of methane dry reforming reaction and the preliminary data for process development were achieved. The crystal structure of catalysts was measured by XRD, the surface area and pore size were analyzed by BET, and the element composition of catalyst were analyzed by EDS. Conversions of methane and carbon dioxide were analyzed by GC. In addition, reaction rate constants were obtained from the reaction kinetic study and the optimum catalyst size that does not affect mass transfer from reactants was also determined. The selected pellet-type catalyst maintained activation for 720 h at 850 ℃.