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A 81.1% aromatic selectivity in C5+ hydrocarbon was obtained at 320 °C, corresponding to 19.9% CO2 conversion and 69.4% C5+ selectivity in total hydrocorbons.

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A kind of core-shell catalyst with Fe-Zn-Zr as the core and a zeolite (HZSM-5, Hbeta, and HY) as the shell was synthesized by a simple cladding method. The catalyst has an obvious confinement effect on the synthesis of isoalkanes by CO2 hydrogenation. Especially, the Fe-Zn-Zr@HZSM-5-Hbeta catalyst with a double-zeolite shell exhibits an extraordinary high i-HC/t-HC ratio.