Collect. Czech. Chem. Commun. 1997, 62, 1015-1022
https://doi.org/10.1135/cccc19971015

Transformation of Ethene Into Ketones by CO and H2 Over NiMo Sulfide Catalysts

Zdeněk Vít, Jean Louis Portefaix and Michéle Breysse

Institut de Recherches sur la Catalyse, CNRS, 2, Av. A. Einstein, 69 626 Villeurbanne Cedex, France

Abstract

The reaction of ethene, CO and H2 on NiMo sulfide catalysts at 240-290 °C and at 1 MPa gives ethane, diethyl ketone, propyl ethyl ketone, propanal and diethyl sulfide (DES). The support (carbon, alumina, magnesia and zirconia) influenced the activity of catalysts and the ratio between oxygenated and sulfur products. The carbon supported catalyst was the most active, producing the lowest proportion of DES. The overall oxo selectivity was practically constant in a broad range of ethene conversion. Selectivity into the formation of diethyl ketone increased by lowering the reaction temperature and H2S concentration in the feed. A selectivity of about 25% into diethyl ketone was achieved with a feed containing 0.4% H2S at 240 °C.

Keywords: Oxo synthesis; Diethyl ketone; Ethene; NiMo sulfide catalyst.