Evonik Operations Gmbh

Fabian Nadolny

Guido Stochniol

Stephan Peitz

Robert Franke

Thomas Quandt

Helene Reeker

Wladimir Reschetilowski

Reiner Bukohl

Felix Alscher

Cornelia Breitkopf

Niklas Paul

Benjamin William Berntsson

Henrik Frenzel

Ekaterina Borovinskaya

Angela Heykamp

A process for the oligomerization of C- to C-olefins proceeds in the presence of a catalyst, wherein the oligomerization is carried out in at least one reaction stage which includes at least one reactor and at least one distillation column. The content of oligomers in the feed stream to the at least one reaction stage after removal of the oligomers in the at least one distillation column is less than 0.4% by weight.

Process for the oligomerization of olefins with control of the oligomer content in the hydrocarbon streams to be oligomerized

The invention relates to an oligomerization catalyst comprising nickel oxide and silica-alumina support material and to a process for oligomerization of C3- to C6-olefins using the oligomerization catalyst.

Oligomerization catalyst and process for the production thereof

A process for preparing an oligomerization catalyst is based on using nickel aluminosilicate that has high activity and selectivity coupled with adequate service life in the heterogeneously catalysed oligomerization of C3 to C6 olefins or olefin-containing feed mixtures based thereon.

Process for preparing a structurally selective oligomerization catalyst of prolonged stability by precipitation

The present invention relates to an oligomerization catalyst for oligomerization of low-molecular-weight olefins, to the use of said catalyst and to a process for oligomerization of low-molecular-weight olefins using the oligomerization catalyst according to the invention.

Ni-containing catalyst for the oligomerization of olefins

The invention relates to a process for producing an oligomerization catalyst comprising nickel oxide and a silicon-alumina support material, wherein the silica-alumina support material is in the ammonium form. The present invention further relates to a process for oligomerization of C3- to C6-olefins using the oligomerization catalyst produced according to the invention.

Process for producing an oligomerization catalyst

The invention relates to an oligomerization catalyst comprising nickel oxide and silica-alumina support material and to a process for oligomerization of C- to C-olefins using the oligomerization catalyst.

The invention provides a process for oligomerization of n-butenes using a nickel-containing aluminosilicate catalyst to produce a product mixture whose ratio of 4,4-dimethylhexene to 3,4-dimethylhexene is determined and monitored. The invention further relates to a process for determining the ratio of the amount of the formed 4,4-dimethylhexene or of the formed 3-ethyl-2-methylpentene to the amount of the formed 3,4-dimethylhexene.

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Arnsberg, Germany

Fabian Nadolny