abstract |
PURPOSE: To obtain a ketone with an aldehyde content of ≤ 10ppm, by the hydrogenation of the crude ketone containing the aldehyde obtained by the cumene method using a compound which contains ≥ 4,000 ppm of based on active hydrogens the crude ketone, in the presence of a catalyst of noble metals. n COPYRIGHT: (C)1979,JPO&Japio |