Abstract

Direct synthesis of alcohols from syngas on Ru Mo Na/Al 2O 3 catalysts was investigated at 255°C under 86 kg cm −2. Relationships between properties of the alumina support, CO adsorption ability of the catalyst, and its alcohol synthesis activity are discussed. For the support with a large BET surface area, the dispersion of supported Ru was proportional to the cubic root of the BET surface area of the support. Specific activity for alcohol synthesis increased with decreasing dispersion. The highest alcohol synthesis activity (437 g/l.h) was achieved by the catalyst supported on the alumina obtained by calcination of bayerite at 900°C.

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