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2-1-1 Integrated CO2 Capture and Reduction to CH4 using Dual-Functional Catalysts
Proceedings of the Annual Conference of The Japan Institute of Energy
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