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2-1-1 Integrated CO2 Capture and Reduction to CH4 using Dual-Functional Catalysts
2-1-1 二元機能触媒を用いた低濃度CO2からの直接CH4合成技術の開発
Proceedings of the Annual Conference of The Japan Institute of Energy
2-1-1 二元機能触媒を用いた低濃度CO2からの直接CH4合成技術の開発
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We investigated direct conversion of dilute CO2 into CH4 without CO2 purification under various reaction conditions over Ni-based dual-functional catalysts. Ni/Na/Al2O3 showed the highest performance with high CO2 conversion (>96%) and CH4 selectivity (>93%) for 5% CO2 capture and reduction. In addition, very low CO2 levels of 100 ppm were successfully converted to 11.5% CH4 at a peak point over Ni/Na/Al2O3, which was more than 1000 times higher concentration than that of the supplied CO2.
doi:10.20550/jietaikaiyoushi.30.0_10
fatcat:56hh2hiv55bvthem75b7wvej2y