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Effect of La2O3 promoter on NiO/Al2O3 catalyst in CO methanation
저자
Hongyun Qin, Cuili Guo, Yuanyuan Wu, Juntao Zhang
학술지명
Korean Journal of Chemical Engineering
출판/발행연도
2014
주제
요약
이 연구에서는 La2O3를 첨가하여 NiO/Al2O3 촉매의 CO 메탄화 활성을 향상시켰다. La2O3 첨가는 NiO 입자 성장을 억제하고 수소 흡착량 및 Ni 분산을 증가시켜 촉매 활성을 높였다. 특히 3 wt% La2O3를 첨가한 촉매는 높은 전환율(98%)과 선택도(96%)를 보였으며, 장기 테스트에서도 우수한 안정성과 탄소 침착 방지 성능을 나타냈다.
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