Abstract: Process for the preparation of propylene from a hydrocarbon feed, wherein the hydrocarbon feed is an essentially olefinic hydrocarbon feed comprising C6 olefins and wherein the hydrocarbon feed is contacted with a one-dimensional zeolite having 10-membered ring channels and a silica to alumina ratio (SAR) in the range from 10 to 200.

Abstract: The present invention provides a process for the preparation of propylene from a hydrocarbon feed containing one or more C5 and/or C6 cycloalkanes, wherein the hydrocarbon feed containing one or more C5 and/or C6 cycloalkanes is contacted under cracking conditions with a one-dimensional zeolite having 10-membered ring channels and a silica to alumina ratio in the range from 1 to 500. The invention further provides an industrial set-up for such a process.

Abstract: Process for the alkylation of a cycloalkene, which process comprises alkylating a cycloalkene with an oxygenate under alkylating conditions in the presence of a zeolite; to yield an alkylated cycloalkene. Composition obtainable by such a process and use of such a composition as a gasoline blending component.

Abstract: Process for the preparation of an olefin comprising a) reacting a combination of an oxygenate feed selected from the group consisting of alcohols and ethers, and an olefinic co-feed in a reactor in the presence of a one-dimensional zeolite having 10-membered ring channels to prepare an olefinic reaction mixture; b) separating the olefinic reaction mixture into at least a first olefinic product fraction and a second olefinic fraction containing olefins with 4 or more carbon atoms; and c) recycling at least part of the second olefinic fraction obtained in step b) to step a) as olefinic co-feed.

Abstract: Process for the preparation of an olefin comprising contacting a diluted olefinic hydrocarbon feed, containing an oxygenate feed, an olefinic co-feed and one or more diluents, with a solid zeolite catalyst to obtain a reaction product containing one or more olefins, and wherein the diluted feed is contacted with the solid zeolite catalyst at a Gas Hourly Space Velocity, as measured at standard temperature and pressure, of at least 10,000 ml diluted olefinic hydrocarbon feed/gram zeolite catalyst/hour.

Abstract: Process for the preparation of C5 and/or C6 olefins from a lower olefin, which lower olefin comprises from 2 to 5 carbon atoms, and an oxygenate, which oxygenate comprises at least one oxygen-bonded alkyl group, comprising contacting the lower olefin with the oxygenate, in a molar ratio of oxygen-bonded alkyl group to lower olefin of at least 1:1 in the presence of a MTT-type zeolite.

Abstract: Process for the preparation of ethylene and/or propylene comprising reacting an oxygenate feed and an olefinic co-feed in a reactor in the presence of a zeolite catalyst to prepare an olefinic reaction mixture; wherein the olefinic co-feed is partially obtained from an olefinic refinery stream and partially obtained from a olefinic recycle stream.

Abstract: A process to prepare methanol and/or dimethylether from a solid carbonaceous feedstock comprising the steps of (a) feeding an oxygen-comprising gas and the carbonaceous feedstock to a burner firing into a reactor vessel, (b) performing a partial oxidation of the carbonaceous feedstock in said burner to obtain a stream of hot synthesis gas and a liquid slag whereby both the hot synthesis gas and the liquid slag flow downwardly relative to the burner, (c) cooling the hot synthesis gas by direct contact with a liquid water-containing cooling medium, (d) performing a water shift reaction on at least part of the synthesis gas, to obtain a synthesis gas effluent, (e) performing an oxygenate synthesis using the synthesis gas effluent of step (d), to obtain a methanol and/or dimethylether containing oxygenate effluent and a first liquid water-rich by-product, wherein at least part of the first liquid water-rich by-product is used in step (c), forming at least part of the liquid water-containing cooling medium.

Abstract: Integrated separation and preparation process comprising a gas separation process wherein a first component is separated from a mixture of components by diffusion of the first component through a porous partition into a stream of sweeping component; and a preparation process wherein the sweeping component is used as feed. Separation unit and device for use in such a process and industrial set-up for use in such a process.

Abstract: Process for the preparation of an olefin comprising reacting an oxygenate feed and an olefinic co-feed in a reactor in the presence of a zeolite to obtain a reaction product containing one or more olefins; wherein the olefinic co-feed is at least partially obtained ex-situ during a first phase and at least partially obtained in-situ during a subsequent second phase.

Abstract: Process for the preparation of propylene, wherein a diluted olefinic hydrocarbon feed, comprising in the range of 1 to 99 vol % of olefinic hydrocarbon feed and 1-99 vol % of one or more diluents, is contacted with a solid zeolite catalyst at a Gas Hourly Space Velocity, as measured at standard temperature and pressure of 23° C. and 1 bar, of at least 15,000 ml diluted olefinic hydrocarbon feed/gram zeolite catalyst/hour.

Abstract: Process for the preparation of isopropanol is provided, wherein a benzene-containing feed of acetone is hydrogenated to obtain isopropanol and hydrogenation products of benzene. Combination of such a process with a process for the preparation of phenol and combination of such a process with a series of separation steps is provided.

Abstract: A process for the hydrogenation of acetone to prepare isopropanol is provided, wherein the hydrogenation reaction is carried out in a multi-tubular reactor.

Abstract: The invention involves a method for producing styrene, using at least two separate reactors, by feeding a 1-phenylethanol-rich reaction mixture to a first reactor, transferring the partially catalytically dehydrated mixture to a second reactor or to a distillation unit, and separating the mixture into a fraction of low-molecular compounds and transporting it to an outlet, and to a fraction containing high-molecular compounds and transporting it to the second reactor, or feeding a part of the catalytically dehydrated mixture to the distillation unit and the other part to the second reactor, optionally recycling a part to the first reactor, and/or optionally transporting a part to another reactor, and/or to the distillation unit or to another distillation unit; provided that part of the reaction mixture of at least one of the reactors is transported to the distillation unit. The invention further pertains to an apparatus for performing this method.

Abstract: Process for the preparation of isopropanol is provided, wherein a benzene-containing feed of acetone is hydrogenated to obtain isopropanol and hydrogenation products of benzene.

Abstract: A process for the hydrogenation of acetone to prepare isopropanol is provided, wherein the hydrogenation reaction is carried out in a multi-tubular reactor.