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1 Polish Journal of Applied Chemistry

1 1998

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Catalytic hydrogenation of benzyl alcohol to cyclohexylmethanol

Wandas R., Frączek K.

Polish Journal of Applied Chemistry

1998

Vol. 42, nr 3-4

243-250

The experiments of a low-temperature hydrogenation of benzyl alcohol to cyclohexylrnethanol over zeolite-supported ruthenium catalyst have been carried out. The effects of the catalyst concentration (40-120 g 11) and of hydrogen pressure (3.0-7.0 MPa) on the total conversion degree of the substrate and the yield of cyclohexylmethanol have been examined. At the temperature of 50°C, an effective hydrogenation of benzyl alcohol takes place with the total conversion reaching 100% and the yield of cyclohexylrnethanol reaching 70%. The presence of by-products (toluene and methylcyclohexane) formed by a hydrogenolysis of C- O bond has been detected.