Evonik Operations Gmbh

Evonik Degussa Gmbh

Evonik Oxeno Gmbh & Co. Kg

Corinna Hecht

Robert Franke

Benedikt Dercks

Dirk Fridag

Michael Grass

Udo Lenz

Florian Boeck

Frank Stenger

Peter Kreis

Christoph Hiller

Marc Oliver Kristen

Stefan Münzner

Jennifer Haßelberg

Christoph Ehlers

Horst-Werner Zanthoff

Lena Altmann

Hanna Spohr

Florian Ott

A hydroformylation process can be used for short-chain olefins, especially C2 to C5 olefins, wherein the catalyst system is heterogenized on a support that contains a porous ceramic material. Systems can also be used for carrying out said process.

Process for hydroformylation of short-chain olefins in the gas phase

The invention relates to a process for hydroformylating short-chain olefins, especially C2 to C5 olefins, in which the catalyst system is in heterogenized form on a support of a porous ceramic material, and to plants for performing this process.

Process for hydroformylating short-chain olefins in the gas phase

Process for hydroformylating short-chain olefins using a heterogenized catalyst system without ionic liquid

The present invention relates to a method for preparing saturated C- and C-alcohols, wherein the separation of the C-alcohols and the C-alcohols is effected by means of at least one two-column system or by means of at least one dividing wall column.

Method for obtaining alcohols from aldehydes

The present invention relates to a method for preparing saturated C- and C-alcohols, wherein the ratio of C- to C-alcohols is controlled by a distillative separation of the aldehydes used.

Method for obtaining alcohols from aldehydes III

The present invention relates to a method for preparing saturated C- and C-alcohols, wherein the ratio of C- to C-alcohols is controlled by the diversion of substreams in individual method steps.

Method for obtaining alcohols from aldehydes II

The invention is concerned with the issue of how to produce n-pentanal by hydroformylation from feedstock mixtures comprising a small proportion of n-butene and a large proportion of n-butane. Specifically, solutions for further optimizing established processes for hydroformylation of such low-butene mixtures in terms of material utilization are sought. The present invention has for its object to enhance the material utilization of the feedstock mixture in the production of n-pentanal from feedstock mixtures having a small proportion of n-butene and a large proportion of n-butane. The process shall be capable of economic operation on an industrial scale. In particular an existing oxo plant shall be honed to achieve better raw material utilization. This object is achieved by a combination of a hydroformylation and a dehydrogenation, wherein said combination has the special feature that the dehydrogenation is arranged after the hydroformylation in the downstream direction and is thus markedly smaller than conventional dehydrogenations provided upstream. A skillful product removal effectively removes contaminants formed in the process.

Production of n-pentanal from low-butene feedstock mixtures

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Haltern am See, Germany

Corinna Hecht