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- W2023449123 abstract "Abstract The effect of Mn addition on the catalytic behavior of Cs-promoted and Cs- and Pd-promoted Zn/Cr spinels has been examined for production of mixtures of methanol and isobutanol from a 1:1 mixture of CO and H 2 (synthesis gas) at temperatures of 400°C, 440°C and 460°C and pressures of 1000 and 1500 psig. For all catalysts examined the optimum conditions are 440°C and 1500 psig. The best catalyst tested contains 3 wt% Cs and 6 wt% Pd. It yields a total alcohol rate of 203 g/kg h, a methanol-to-isobutanol mole ratio of 0.66 and a hydrocarbon byproduct rate of 105 g/kg h. The addition of Pd increases the total alcohol production rate, the isobutanol production rate, the hydrocarbon byproduct rate and decreases the methanol production rate. For Cs-promoted catalysts the replacement of Cr with Mn results in improved catalytic performance when a Pd promotor is absent. This trend is in contrast to that of K-promoted catalysts which perform best when both Mn and Pd are present." @default.
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- W2023449123 date "1999-07-01" @default.
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- W2023449123 title "Higher alcohol synthesis reaction study VI: effect of Cr replacement by Mn on the performance of Cs- and Cs, Pd-promoted Zn/Cr spinel catalysts" @default.
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- W2023449123 doi "https://doi.org/10.1016/s0926-860x(99)00060-5" @default.
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