Patent application number | Description | Published |
20110207600 | Method of Making Heteropoly Acid Compound Catalysts - The invention is for a method for making a heteropoly acid compound catalyst from compounds containing molybdenum, vanadium, phosphorus, cesium, copper, bismuth, antimony and boron in which molybdenum, vanadium, phosphorus, cesium, copper, bismuth and boron are at their highest oxidation states and antimony has a 3+ oxidation state. The catalyst contains oxides of molybdenum, vanadium, phosphorus, cesium, copper, bismuth, antimony, boron and, optionally, other metals. The catalyst has the formula: | 08-25-2011 |
20120016159 | Catalyst for Oxidation of Saturated and Unsaturated Aldehydes to Unsaturated Carboxylic Acid, Method of Making and Method of Using Thereof - The invention is a heteropoly acid compound catalyst composition, a method of making the catalyst composition and a process for the oxidation of saturated and/or unsaturated aldehydes to unsaturated carboxylic acids using the catalyst composition. The catalyst composition is a heteropoly acid compound containing molybdenum, vanadium, phosphorus, cesium, bismuth, copper and antimony. Thermal stability is achieved with higher cesium content (up to less than 3.0) but antimony, copper and bismuth must be present to maintain good activity. | 01-19-2012 |
20120289754 | METHODS AND APPARATUSES FOR PRODUCING ETHYLBENZENE - Embodiments of methods and apparatuses for producing ethylbenzene are provided. The method comprises the steps of introducing a first feed mixture comprising benzene and ethylene to UZM-8 zeolite-based catalyst at a first predetermined inlet temperature to form a first intermediate outlet stream comprising ethylbenzene and benzene. Ethylene is added to the first intermediate outlet stream to form a second intermediate feed mixture. The second intermediate feed mixture is introduced to beta zeolite-based catalyst at a second predetermined inlet temperature to form ethylbenzene. | 11-15-2012 |
20120294784 | METHODS AND APPARATUSES FOR PRODUCING STYRENE FROM ETHYLBENZENE - Embodiments of methods and apparatuses for producing styrene are provided. The method comprises the steps of introducing ethylbenzene to a first dehydrogenation reactor containing a first high activity dehydrogenation catalyst at a first predetermined inlet temperature to form a first intermediate effluent stream that comprises styrene, ethylbenzene, and hydrogen. Oxygen is added to the first intermediate effluent stream to form a first oxygenated intermediate effluent stream. The first oxygenated intermediate effluent stream is introduced to a first oxidation-reheat dehydrogenation reactor at a second predetermined inlet temperature of about 530° C. or less to form styrene. The first oxidation-reheat dehydrogenation reactor contains a first oxidation catalyst and a second high activity dehydrogenation catalyst. | 11-22-2012 |
20130217945 | PROCESSES AND SYSTEMS FOR TREATING AROMATIC FEED INCLUDING AN AROMATIC COMPONENT AND NITROGEN-CONTAINING IMPURITIES, AND PROCESSES AND SYSTEMS FOR PREPARING A REACTION PRODUCT OF THE AROMATIC COMPONENT - Processes and systems for treating an aromatic feed comprising an aromatic component and nitrogen-containing impurities, as well as processes and systems for preparing a reaction product of an aromatic component from an aromatic feed comprising the aromatic component and nitrogen-containing impurities, are provided herein. In an embodiment, a process for treating an aromatic feed comprising an aromatic component and nitrogen-containing impurities includes adsorbing a portion of the nitrogen-containing impurities from the aromatic feed to produce a treated aromatic feed comprising the aromatic component and residual nitrogen-containing impurities. The treated aromatic feed and water are mixed to produce a hydrated aromatic feed. A purified aromatic feed and a water component are distilled from the hydrated aromatic feed in a distillation stage, wherein the water component comprises residual nitrogen-containing impurities from the treated aromatic feed and wherein the purified aromatic feed comprises the aromatic component. | 08-22-2013 |
20130323133 | Methods and Apparatus for Treating a Hydrocarbon Stream - Disclosed is an apparatus for treating two or more hydrocarbon feed streams. The apparatus according to one aspect includes a first feed line for supplying one aromatic feed stream and a second feed line for supplying another aromatic feed stream. The apparatus includes a juncture between the feed lines for combining the feed streams. The apparatus further includes a treatment zone in communication with the juncture for treating the combined feed stream. | 12-05-2013 |
20130323134 | Methods and Apparatus for Treating a Hydrocarbon Stream - Disclosed is an apparatus for removing water, nitrogen compounds, and unsaturated aliphatic compounds from a hydrocarbon feed stream including a water removal zone, a nitrogen removal zone, and an unsaturated aliphatic compound removal zone. By on aspect, the water removal zone includes a water selective adsorbent, the nitrogen removal zone includes a nitrogen selective adsorbent, and the unsaturated aliphatic compound removal zone includes an unsaturated aliphatic compound removal material. | 12-05-2013 |
20130324773 | Methods and Apparatus for Treating a Hydrocarbon Stream - Disclosed is a method for treating two or more aromatic feed streams including combining one aromatic feed stream with another aromatic feed stream. The method further includes passing the combined feed stream to a unsaturated aliphatic compound removal zone for removing an unsaturated aliphatic compound therefrom. The method further includes passing the combined aromatic feed stream to a nitrogen removal zone for removing a nitrogen compound therefrom. | 12-05-2013 |
20130324774 | Methods and Apparatus for Treating a Hydrocarbon Stream - Disclosed is a method for removing water, nitrogen compounds, and unsaturated aliphatic compounds from a hydrocarbon feed stream by passing the hydrocarbon feed stream through a water removal zone, a nitrogen removal zone, and an unsaturated aliphatic compound removal zone. By on aspect, the method includes removing water from the hydrocarbon feed stream, contacting the feed stream with a nitrogen selective adsorbent, and contacting the feed stream with an unsaturated aliphatic compound removal material. | 12-05-2013 |
20130338416 | METHODS FOR REMOVING WEAKLY BASIC NITROGEN COMPOUNDS FROM A HYDROCARBON STREAM USING ACIDIC CLAY - Disclosed is a method for removing weakly basic nitrogen compounds from a hydrocarbon feed stream by contacting the hydrocarbon feed stream with acidic clay to produce a hydrocarbon effluent stream having a lower weakly basic nitrogen compound content relative to the hydrocarbon feed stream. The hydrocarbon feed stream comprises an aromatic compound and a weakly basic nitrogen compound. | 12-19-2013 |
20130338417 | Methods for Removing Weakly Basic Nitrogen Compounds from a Hydrocarbon Stream Using Basic Molecular Sieves - Disclosed is a method for removing weakly basic nitrogen compounds from a hydrocarbon feed stream by contacting the hydrocarbon feed stream with a basic catalyst to convert a portion of the weakly basic nitrogen compounds to basic nitrogen compounds. The method also includes contacting the hydrocarbon feed stream with an acidic adsorbent to adsorb the basic nitrogen compounds from the stream. The hydrocarbon feed stream comprises an aromatic compound and a weakly basic nitrogen compound. | 12-19-2013 |