A hybrid catalyst for one-step conversion of syngas into liquid hydrocarbons, mainly gasoline and diesel, is proposed.

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This study investigates the production of diesel fuels by integrated Fischer–Tropsch synthesis over a bifunctional cobalt catalyst consisting of a cobalt component (Co–Al2O3/SiO2) and a zeolite-containing component (ZSM-5). The catalytic properties were tested in a continuous-flow reactor with a stationary catalyst bed at 240–250°C, 2 MPa, and gas WHSV 1000 h–1. The effects of the SiO2/Al2O3 ratio in a HZSM-5 zeolite on the catalytic performance, catalyst deactivation rate, and hydrocarbon and fractional compositions of the synthetic product were identified. The low-temperature properties of the synthesized diesel fuel satisfy the current requirements for winter fuels.