| Patent application number | Description | Published |
|---|
| 20090105429 | PROCESS FOR THE PREPARATION OF AN OLEFIN - 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. | 04-23-2009 |
| 20090105434 | PROCESS FOR THE PREPARATION OF PROPYLENE - 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. | 04-23-2009 |
| 20090118551 | Integrated Separation and Preparation Process - 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. | 05-07-2009 |
| 20090126259 | PROCESS TO PREPARE METHANOL AND/OR DIMETHYLETHER - A process to prepare methanol and/or dimethylether from a solid carbonaceous feedstock comprising the steps of
| 05-21-2009 |
| 20090187056 | PROCESS FOR THE PREPARATION OF AN OLEFIN - 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. | 07-23-2009 |
| 20090187057 | PROCESS FOR THE PREPARATION OF C5 AND/OR C6 OLEFIN - Process for the preparation of C | 07-23-2009 |
| 20090187058 | PROCESS FOR THE PREPARATION OF AN OLEFIN - 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. | 07-23-2009 |
| 20090187059 | PROCESS FOR THE PREPARATION OF AN OLEFIN - 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. | 07-23-2009 |
| 20090259087 | PROCESS FOR THE PREPARATION OF PROPYLENE AND INDUSTRIAL PLANT THEREOF - The present invention provides a process for the preparation of propylene from a hydrocarbon feed containing one or more C | 10-15-2009 |
| 20090270669 | PROCESS FOR THE PREPARATION OF PROPYLENE FROM A HYDROCARBON FEED - 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. | 10-29-2009 |
| 20100261943 | PROCESS FOR THE PREPARATION OF AN OLEFINIC PRODUCT - Process for the preparation of an olefinic product, which process comprises contacting a reaction mixture comprising an oxygenate feedstock and an olefinic component with an oxygenate conversion catalyst comprising a molecular sieve having one-dimensional 10-membered ring channels, in a flow-through reactor unit defining a flow trajectory for fluids towards a downstream outlet for an olefinic reaction effluent from the flow-through reactor unit, wherein an olefinic co-feed is added at an upstream olefin feed inlet of the flow-through reactor unit, and wherein oxygenate feedstock is admitted to the reactor such that it is added to the reaction mixture at a plurality of locations along the feed trajectory. | 10-14-2010 |
| 20100268007 | PROCESS FOR CONVERTING AN OXYGENATE INTO AN OLEFIN-CONTAINING PRODUCT, AND REACTOR SYSTEM - A process for converting an oxygenate to an olefin-containing product, wherein oxygenate is contacted with an oxygenate conversion catalyst in a reactor system comprising two or more serially arranged riser reactor stages to obtain a riser reactor effluent from each stage, wherein each riser reactor stage comprises a single riser reactor or a plurality of parallel riser reactors, such that at least part of the riser reactor effluent of a preceding riser reactor stage is fed into a subsequent riser reactor stage, and wherein oxygenate is added to a plurality of the riser reactor stages; and a reactor system comprising two or more serially arranged riser reactor stages wherein the first of the two or more serially arranged riser reactor stages has a smaller total cross-sectional area than at least one of the subsequent riser reactor stages. | 10-21-2010 |
| 20100268009 | CATALYST PARTICLES, PROCESS FOR THE PREPARATION OF AN OLEFINIC PRODUCT, AND PROCESS FOR THE PREPARATION OF AN OXYGENATE CONVERSION CATALYST - Catalyst particles comprising a first molecular sieve having one-dimensional 10-membered ring channels, and a second molecular sieve having more-dimensional channels; a process for the preparation of such catalyst particles; and a process for the preparation of an olefinic product, comprising reacting an oxygenate feedstock in a reaction zone in the presence of catalyst particles of the invention. | 10-21-2010 |
| 20100298619 | PROCESS FOR THE PREPARATION OF AN OLEFINIC PRODUCT - Process for the preparation of an olefinic product, comprising reacting an oxygenate feedstock comprising oxygenate species having an oxygen-bonded methyl group and an olefinic co-feed, in the presence of an oxygenate conversion catalyst comprising a molecular sieve having one-dimensional 10-membered ring channels, to prepare an olefinic reaction effluent, wherein the olefinic co-feed comprises less than 10 wt % of C5+ hydrocarbon species; fractionating the olefinic reaction effluent to obtain at least a light olefinic fraction comprising ethylene, and a heavier olefinic fraction comprising C4 olefins and less than 10 wt % of C5+ hydrocarbon species; recycling at least part of the heavier olefinic fraction; and withdrawing at least part of the light olefinic fraction as olefinic product. | 11-25-2010 |
| 20100305375 | PROCESS FOR THE PREPARATION OF AN OLEFINIC PRODUCT - Process for the preparation of an olefinic product, which process comprises reacting an oxygenate feedstock and an olefinic co-feed in a reactor in the presence of an oxygenate conversion catalyst comprising a molecular sieve having one-dimensional 10-membered ring channels, and a further molecular sieve having more-dimensional channels, wherein the weight ratio between the one-dimensional molecular sieve and the further molecular sieve is in the range of from 1:1 to 100:1, to prepare an olefinic reaction effluent; separating the olefinic reaction effluent into at least a first olefinic fraction and a second olefinic fraction; recycling at least part of the second olefinic fraction; and recovering at least part of the first olefinic fraction as olefinic product. | 12-02-2010 |
| 20100305377 | PROCESS FOR THE PREPARATION OF AN OLEFIN - An olefin is prepared from an alkyl alcohol in a process, comprising the steps: a) converting the alkyl alcohol into a dialkylether over a first catalyst, to yield a dialkylether product stream containing alkyl alcohol, dialkylether and water; b) separating the dialkylether product stream into a vaporous dialkylether-rich stream and a liquid water-containing stream which water-containing stream comprises at most 5% wt of alkyl alcohol, based on the total weight of water and alkyl alcohol; and c) converting the vaporous dialkylether-rich stream to an olefin over a second catalyst, wherein the dialkylether product stream is enriched with a base. | 12-02-2010 |
| 20110112314 | PROCESS FOR PRODUCING OLEFINS - The present invention provides a process for producing olefins, comprising:
| 05-12-2011 |
| 20110112344 | PROCESS AND INTEGRATED SYSTEM FOR THE PREPARATION OF A LOWER OLEFIN PRODUCT - A process for the preparation of an olefin product comprising ethylene and/or propylene, which process comprises the steps of
| 05-12-2011 |
| 20110112345 | PROCESS FOR THE PREPARATION OF A LOWER OLEFIN PRODUCT - A process for the preparation of an olefin product comprising ethylene and/or propylene, which process comprises the steps of | 05-12-2011 |
| 20110137053 | PROCESS FOR PRODUCING ETHYLENE OXIDE - The present invention provides a process for producing ethylene oxide, comprising:
| 06-09-2011 |
| 20110137095 | PROCESS FOR PRODUCING OLEFINS - The present invention provides a process for producing olefins, comprising:
| 06-09-2011 |
| 20110160509 | PROCESS FOR THE PREPARATION OF AN OLEFIN - An olefin is prepared from an alkyl alcohol in a process which comprises the steps: a) converting the alkyl alcohol into a dialkylether over a first catalyst, to yield a hot dialkylether product stream containing alkyl alcohol, dialkylether and water; b) cooling the hot dialkylether product stream at least partly by indirect heat exchange with a cold dialkylether product stream to below the dew point of water at the prevailing conditions to obtain a gas-liquid mixture; c) separating the obtained mixture into a liquid water-containing stream and a vaporous dialkylether-rich stream; d) subjecting at least part of the vaporous dialkylether-rich stream, as the cold dialkylether product stream in step b), to heat exchange with the hot dialkylether product stream, to yield a heated dialkylether-rich feed; and e) converting the heated dialkylether-rich feed to an olefin over a second catalyst. | 06-30-2011 |
