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      이산화탄소의 접촉수소화반응을 통한 탄화수소의 합성에 관한 연구 = A Study on the Synthesis of Hydrocarbon through Carbon Dioxide Hydrogenation

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      https://www.riss.kr/link?id=A3024227

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      다국어 초록 (Multilingual Abstract) kakao i 다국어 번역

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      Carbon dioxide hydrogenation reaction was carried out over hybrid catalyst composed of Cu/ZnO/ZrO₂ and MFI zeolites such as HZSM-5, H-Ga-Silicate and H-Fe-Silicate. The hybrid catalyst composed of Cu/ZnO/ZrO₂ catalyst and HZSM-5 showed the highest yield and selectivity to C₂+ hydrocarbon, which seemed to be due to the largest amount of Br nsted acid sites. Higher yield to C₂+ hydrocarbon was obtained over HZSM-5 with lower SiO₂/Al₂O₃ ratio and also with longer ion exchange time, which showed larger amount of Br nsted acid sites, respectively. When a metal ion was exchanged into HZSM-5, the highest yield to C₂+ hydrocarbon was obtained with descending order Ga/HZSM-5=HZSM-5 > Zn/HZSM-5, i.e., with the amount of Bro¨nsted acid sites.
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      Carbon dioxide hydrogenation reaction was carried out over hybrid catalyst composed of Cu/ZnO/ZrO₂ and MFI zeolites such as HZSM-5, H-Ga-Silicate and H-Fe-Silicate. The hybrid catalyst composed of Cu/ZnO/ZrO₂ catalyst and HZSM-5 showed the highest...

      Carbon dioxide hydrogenation reaction was carried out over hybrid catalyst composed of Cu/ZnO/ZrO₂ and MFI zeolites such as HZSM-5, H-Ga-Silicate and H-Fe-Silicate. The hybrid catalyst composed of Cu/ZnO/ZrO₂ catalyst and HZSM-5 showed the highest yield and selectivity to C₂+ hydrocarbon, which seemed to be due to the largest amount of Br nsted acid sites. Higher yield to C₂+ hydrocarbon was obtained over HZSM-5 with lower SiO₂/Al₂O₃ ratio and also with longer ion exchange time, which showed larger amount of Br nsted acid sites, respectively. When a metal ion was exchanged into HZSM-5, the highest yield to C₂+ hydrocarbon was obtained with descending order Ga/HZSM-5=HZSM-5 > Zn/HZSM-5, i.e., with the amount of Bro¨nsted acid sites.

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