PREPARATION OF TETRAHYDROFURAN

摘要

O.Z. 0050/033,590 PREPARATION OF TETRAHYDROFURAN A process for the preparation of tetrahydrofuran by heating a carboxylic acid diester of butane-1,4-diol in the gas phase at above about 160.degree.C in the presence of an aluminum oxide catalyst which is obtained by drying, at 70 - l20.degree.C, an aluminum hydroxide gel which has been precipitated from an aqueous aluminum sulfate solution by means of a basic agent.