Ruhrchemie Aktiengesellschaft

Hans-Dieter Hahn

Boy Cornils

Ludger Bexten

Hans Tummes

An improvement in the process for the continuous manufacture of an aldehyde by reaction of an olefin with carbon monoxide and hydrogen in the presence of a rhodium catalyst at an elevated temperature and pressure followed by distillative separation of the non-converted feedstocks and low boiling components of the reaction mixture, the improvement residing in employing a carbon monoxide/hydrogen mixture containing 2-20 ppm sulfur and recycling residual rhodium compounds, both dissolved and suspended in the distillation residue, to the reaction zone.

Growing community of inventors

Oberhausen, Germany

Hans-Dieter Hahn