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The following catalytic systems were developed, tested in the Fischer Tropsch reaction and characterised by XPS, TEM and CO chemisorption: (1) Fe/Mn oxides impregnated with Co, Cu, Pd, Rh and K respectively; (2) Co/Mn oxide catalysts with different compositions to maximise the formation of olefinic products; (3) Rh/SiO(2) catalysts doped with rare earth compounds and ThO(2) to maximise the formation of oxygenates; (4) mixtures of the catalysts (1), (2) or (3) with pentasil zeolites to form aromatic hydrocarbons. Two modes of operation were tested: a single bed reactor with a mechanical mixture of the components and a dual operation with the FT component and the zeolite respectively in separate reactors. The impregnation of Fe/Mn oxides with Cu and a Co/Mn ratio of 1/4 leads to the most promising catalysts. The optimal zeolite for the formation of the aromatics from propene was determined. A knowledge based expert system for catalyst selection was developed.

Additional information

Authors: BAERNS M, Ruhr-Universität Bochum (DE);PAPP H, Ruhr-Universität Bochum (DE)
Bibliographic Reference: EUR 13974 EN (1991) 378 pp., MF, ECU 16
Availability: (2)
Record Number: 199210102 / Last updated on: 1994-12-02
Original language: en
Available languages: en