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Combined Synthesis and Hydroprocessing of Hydrocarbons over Co/SiO 2 + ZSM-5 + Al 2 O 3 Catalysts Promoted by Nickel
Petroleum Chemistry  (IF1.029),  Pub Date : 2021-05-20, DOI: 10.1134/s096554412105008x
R. E. Yakovenko, I. N. Zubkov, V. G. Bakun, A. P. Savost’yanov


The study investigates the effects of nickel introduction methods on the properties of a hybrid cobalt catalyst in a combination of Fischer–Tropsch synthesis and the hydroprocessing of the synthesized products. At 240°C, 2 MPa, and syngas WHSV 1000 h–1, the catalytic performances were compared, the products were analyzed for the hydrocarbon and fractional compositions, and the characteristics of the synthesized fuels were determined. Among the catalysts differing in nickel introduction method, the sample with a nickel-containing zeolite component prepared by ion exchange was found to have the highest hydrogenation activity, while the sample with a metal component generated by joint cobalt/nickel introduction [Co/SiO2 + Ni(i)/HZSM-5 + Al2O3] exhibited the highest isomerization activity.