Patent application number | Description | Published |
20080249342 | Production of Aromatics from Methane - In a process for converting methane to aromatic hydrocarbons, a feed containing methane and a particulate catalytic material are supplied to a reaction zone operating under reaction conditions effective to convert at least a portion of the methane to aromatic hydrocarbons and to deposit carbonaceous material on the particulate catalytic material causing catalyst deactivation. At least a portion of the deactivated particulate catalytic material is removed from the reaction zone and is heated to a temperature of about 700° C. to about 1200° C. by direct and/or indirect contact with combustion gases produced by combustion of a supplemental fuel. The heated particulate catalytic material is then regenerated with a hydrogen-containing gas under conditions effective to convert at least a portion of the carbonaceous material thereon to methane and the regenerated catalytic particulate material is recycled back to the reaction zone. | 10-09-2008 |
20110054232 | Production of Aromatics from Methane - A catalyst for the conversion of methane to higher hydrocarbons including aromatic hydrocarbons comprises molybdenum or a compound thereof dispersed on an aluminosilicate zeolite, wherein the amount of aluminum present as aluminum molybdate in the catalyst is less than 2700 ppm by weight. | 03-03-2011 |
20120271077 | Dehydrogenation Process - In a dehydrogenation process a hydrocarbon stream comprising at least one non-aromatic six-membered ring compound and at least one five-membered ring compound is contacted with a dehydrogenation catalyst produced by a method comprising treating the support with a liquid composition comprising the dehydrogenation component or a precursor thereof and at least one organic dispersant selected from an amino alcohol and an amino acid. The contacting is conducted under conditions effective to convert at least a portion of the at least one non-aromatic six-membered ring compound in the hydrocarbon stream to benzene and to convert at least a portion of the at least one five-membered ring compound in the hydrocarbon stream to paraffins. | 10-25-2012 |
20120271078 | Dehydrogenation Process - In a dehydrogenation process a hydrocarbon stream comprising at least one non-aromatic six-membered ring compound and at least one five-membered ring compound is contacted with a dehydrogenation catalyst comprising: (i) a support; (ii) a first component comprising at least one metal component selected from Group 1 and Group 2 of the Periodic Table of Elements; and (iii) a second component comprising at least one metal component selected from Groups 6 to 10 of the Periodic Table of Elements, wherein the catalyst composition exhibits an oxygen chemisorption of greater than 50%. The contacting is conducted under conditions effective to convert at least a portion of the at least one non-aromatic six-membered ring compound in the hydrocarbon stream to benzene and to convert at least a portion of the at least one five-membered ring compound in the hydrocarbon stream to paraffins. | 10-25-2012 |
20120271079 | Dehydrogenation Process - A processes for producing a dehydrogenation reaction product stream comprising the step of contacting a hydrocarbon stream comprising cyclohexane and methyl cyclopentane with a dehydrogenation catalyst comprising at least one metal or compound thereof and at least one molecular sieve and under conditions effective to convert at least a portion of the cyclohexane to benzene and to convert at least a portion of the methyl cyclopentane to at least one paraffin. The hydrocarbon stream is produced by hydroalkylating benzene and hydrogen to form a hydroalkylation reaction product stream which is separated to yield the hydrocarbon stream. | 10-25-2012 |
20120283494 | Dehydrogenation Process - In a dehydrogenation process a hydrocarbon stream comprising at least one non-aromatic six-membered ring compound and at least one five-membered ring compound is contacted with a first catalyst comprising at least one metal component and at least one support and a second catalyst. The first catalyst is utilized to convert at least a portion of the at least one non-aromatic six-membered ring compound in the hydrocarbon stream to at least one aromatic compound and the second catalyst is utilized to convert at least a portion of the at least one five-membered ring compound in the hydrocarbon stream to at least one paraffin. | 11-08-2012 |
20120302798 | Dehydrogenation Process - A dehydrogenation process for the dehydrogenation of at least one dehydrogenatable hydrocarbon, the process comprising contacting a feed comprising the at least one dehydrogenatable hydrocarbon under dehydrogenation conditions with a catalyst composition comprising a support and at least one dehydrogenation component wherein said conditions include a temperature of from 400° C. to 750° C. and a pressure of at least 50 psig (345 kPag). | 11-29-2012 |
20120302799 | Dehydrogenation Catalyst And Process - A catalyst composition comprises (i) a support; (ii) a dehydrogenation component comprising at least one metal or compound thereof selected from Groups 6 to 10 of the Periodic Table of Elements; and (iii) potassium or a potassium compound present in an amount of about 0.15 to about 0.6 wt % of potassium based upon the total weight of the catalyst composition, wherein the catalyst composition has an oxygen chemisorption of greater than 50%. | 11-29-2012 |
20120316365 | Dehydrogenation Process - In a process for the dehydrogenation of cyclohexanone to produce phenol, a feed comprising cyclohexanone is contacted with a catalyst comprising an inorganic, crystalline, mesoporous support material and a hydrogenation-dehydrogenation component under dehydrogenation conditions effective to convert at least part of the cyclohexanone in the feed into phenol and hydrogen. | 12-13-2012 |
20120323045 | Dehydrogenation of Cyclohexanone to Produce Phenol - In a process for the dehydrogenation of cyclohexanone to produce phenol, a feed comprising cyclohexanone is contacted with a dehydrogenation catalyst under dehydrogenation conditions comprising a temperature of less than 400° C. and a pressure of less than 690 kPa, gauge, such 0.1 to 50 wt % of the cyclohexanone in said feed is converted to phenol and the dehydrogenation product contains less than 100 ppm by weight of alkylbenzenes. | 12-20-2012 |
20120323046 | Dehydrogenation Process - In a process for the dehydrogenation of dehydrogenatable hydrocarbons, a feed comprising dehydrogenatable hydrocarbons is contacted with a catalyst comprising a support and a dehydrogenation component under dehydrogenation conditions effective to convert at least a portion of the dehydrogenatable hydrocarbons in the feed. The catalyst is produced by a method comprising treating the support with a liquid composition comprising the dehydrogenation component or a precursor thereof and at least one organic dispersant selected from an amino alcohol and an amino acid. | 12-20-2012 |
20130090499 | Cyclohexanone Dehydrogenation Catalyst and Process - A catalyst composition comprising: (i) a support; (ii) a first component comprising at least one metal component selected from Group 1 and Group 2 of the Periodic Table of Elements; and (iii) a second component comprising at least one metal component selected from Groups 6 to 10 of the Periodic Table of Elements, wherein the catalyst composition exhibits an oxygen chemisorption of greater than 50%. | 04-11-2013 |
20130172514 | "PROCESS FOR PRODUCING CYCLOALKYLAROMATIC COMPOUNDS" - In a process for producing a cycloalkylaromatic compound, an aromatic compound, hydrogen and at least one diluent are supplied to a hydroalkylation reaction zone, such that the weight ratio of the diluent to the aromatic compound supplied to the hydroalkylation reaction zone is at least 1:100. The aromatic compound, hydrogen and the at least one diluent are then contacted under hydroalkylation conditions with a hydroalkylation catalyst in the hydroalkylation reaction zone to produce an effluent comprising a cycloalkylaromatic compound. | 07-04-2013 |
20130202522 | "HYDROALKYLATION PROCESSES" - The invention relates to hydroalkylation processes. In the processes, a hydrogen stream comprising hydrogen and an impurity is treated to reduce the amount of the impurity in the hydrogen stream. The hydrogen is then hydroalkylated with benzene to form at least some cyclohexylbenzene. The processes also relate to treating a benzene stream comprising benzene and an impurity with an adsorbent to reduce the amount of the impurity in the benzene stream. The hydroalkylation processes described herein may be used as part of a process to make phenol. | 08-08-2013 |
20130233764 | Upgrading Hydrocarbon Pyrolysis Products - The invention relates to upgraded pyrolysis products, processes for upgrading products obtained from hydrocarbon pyrolysis, equipment useful for such processes, and the use of upgraded pyrolysis products. | 09-12-2013 |
20130289323 | Activation and Use of Hydroalkylation Catalysts - A hydroalkylation catalyst comprising a molecular sieve and a compound of a hydrogenation metal is activated by treating the catalyst at a temperature of less than about 250° C. in the presence of hydrogen. | 10-31-2013 |
20140061094 | Hydroprocessed Product - The invention relates to a hydroprocessed product that can be produced by hydroprocessing tar, such as a tar obtained from hydrocarbon pyrolysis. The invention also relates to methods for producing such a hydroprocessed product, and the use of such a product, e.g., as a fuel oil blending component. | 03-06-2014 |
20140061095 | Preheating Feeds to Hydrocarbon Pyrolysis Products Hydroprocessing - The invention relates to upgraded pyrolysis products, hydroconversion processes for upgrading products obtained from hydrocarbon pyrolysis, equipment useful for such processes. In particular the invention provides methods for reducing coke fouling in such equipment. | 03-06-2014 |
20140061100 | Process for Reducing the Asphaltene Yield and Recovering Waste Heat in a Pyrolysis Process by Quenching with a Hydroprocessed Product - The invention relates to upgraded pyrolysis products, processes for upgrading products obtained from hydrocarbon pyrolysis, equipment useful for such processes, and the use of upgraded pyrolysis products. | 03-06-2014 |
20140148620 | Process for Producing Phenol - In a process for the dehydrogenation of cyclohexanone to produce phenol, cyclohexanone is contacted in a reaction zone under dehydrogenation conditions with a dehydrogenation catalyst comprising (i) a support comprising silica; and (ii) a dehydrogenation component comprising at least one metal selected from Group 10 of Periodic Table of Elements. Contact of the dehydrogenation catalyst with the cyclohexanone is then terminated and the dehydrogenation catalyst is contacted with an inert gas and/or hydrogen at a temperature of at least 300° C. Contact of the dehydrogenation catalyst with additional cyclohexanone is subsequently reestablished. | 05-29-2014 |
20140336422 | Process for Producing a Monocycloalkyl-Substituted Aromatic Compound - In a process for producing mono-cycloalkyl-substituted aromatic compound, benzene and cyclic monoolefin are contacted with a catalyst under alkylation conditions to produce an effluent containing mono-cycloalkyl-substituted aromatic compound. The catalyst comprises a molecular sieve. | 11-13-2014 |