CO2 메탄화 반응을 위한 Ni 기반 Disk Type 촉매의 제조 최적화에 관한 연구

Manufacturing Optimization of Ni Based Disk Type Catalyst for CO2 Methanation

  • 이재정 (경기대학교 일반대학원 환경에너지공학과) ;
  • 문대헌 (경기대학교 일반대학원 환경에너지공학과) ;
  • 장순웅 (경기대학교 창의공과대학 환경에너지공학과)
  • Lee, Jae-Joung (Department of Environmental Energy Engineering, Graduate School, Kyonggi University) ;
  • Moon, Dea-Hyun (Department of Environmental Energy Engineering, Graduate School, Kyonggi University) ;
  • Chang, Soon-Wong (Department of Environmental Energy Engineering, College of Engineering, Kyonggi University)
  • 투고 : 2018.09.28
  • 심사 : 2019.01.04
  • 발행 : 2019.01.31


The catalytic activity of Ni-0.2%YSZ (Yttria-Stabilized Zirconia) with different promoters was evaluated for $CO_2$ methanation. The catalysts were weighed for mixing and they were dried at $110^{\circ}C$ for molding into disks. The concentration of $CO_2$ and $CH_4$ for conducting of $CO_2$ methanation were analyzed by gas chromatography and the physical characteristics of the disk-type catalyst formed were analyzed by X-ray diffraction, scanning electron microscope and energy dispersive x-ray spectrometer. The addition of $CeO_2$ as a promoter for Ni-0.2%YSZ (denoted as Ni-5%Ce-0.2%YSZ) resulted in the highest $CO_2$ methanation. It also showed catalytic activity at a low temperature($200^{\circ}C$). Following this, $ZrO_2$, $SiO_2$, $Al_2O_3$ and $TiO_2$ were added to Ni-5%Ce-0.2%YSZ to compare the $CO_2$ methanation, and the highest efficiency was found for. Ni-1%Ti-5%Ce-0.2%YSZ Then, the concentration of Ti was increased to 10% and the catalytic activity was estimated using seven different types of commercial $TiO_2$. In conclusion, ST-01 $TiO_2$ showed the highest efficiency for $CO_2$ methanation.


연구 과제 주관 기관 : 경기대학교 대학원


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