Advanced catalytic technologies are crucial to enable the transition toward a low-carbon industry with minimized CO 2 emissions. This paper showcases the application of highly effective Ru-promoted Ni-based catalysts for gas-phase CO 2 upgrading: CO 2 methanation and reverse water−gas shift. The addition of small amounts of Ru results in a remarkable enhancement of CO 2 conversion and selectivity. The bimetallic Ru-Ni catalyst displays greater metallic dispersion, tuned electronic properties and outstanding stability for long-term runs, a mandatory requisite for its implementation in actual CO 2 conversion units. The singularity of our advanced catalyst lays on its capacity to work effectively for both the CO 2 methanation and the reverse water−gas shift, allowing end-product flexibility by adjusting the reactor temperature. Such versatility opens a big range of possibilities to adapt this technology in heavy carbon industries whose net CO 2 emissions represent a big share in the global greenhouse gases emissions.
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