Entries |
Document | Title | Date |
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 |
20090247802 | Synthesis Of Aluminophosphate And Metalloaluminophosphate Molecular Sieves - In a method of synthesizing an aluminophosphate or metalloaluminophosphate molecular sieve, a synthesis mixture is provided comprising water, a source of aluminum, a source of phosphorus, optionally a source of a metal other than aluminum, a tertiary amine, and an alkylating agent capable of reacting with said tertiary amine to form a quaternary ammonium compound capable of directing the synthesis of said molecular sieve. The synthesis mixture is maintained under conditions sufficient to cause the alkylating agent to react with the tertiary amine to produce the quaternary ammonium compound and to induce crystallization of the molecular sieve. | 10-01-2009 |
20100030001 | Process for catalytically producing ethylene directly from acetic acid in a single reaction zone - A process for the selective production of ethylene by vapor phase reaction of acetic acid over a hydrogenating catalyst composition to form ethylene in a single reaction zone is disclosed and claimed. In an embodiment of this invention reaction of acetic acid and hydrogen over either a copper supported on iron oxide, copper-aluminum catalyst, cobalt supported on H-ZSM-5, ruthenium-cobalt supported on silica or cobalt supported on carbon selectively produces ethylene in a vapor phase at a temperature in the range of about 250° C. to 350° C. | 02-04-2010 |
20100030002 | Ethylene production from acetic acid utilizing dual reaction zone process - A process for selective formation of ethylene from acetic acid includes contacting a feed stream containing acetic acid and hydrogen at an elevated temperature with a first catalytic composition including a suitable hydrogenating catalyst in a first reaction zone to form an intermediate mixture including ethanol and ethyl acetate; and subsequently reacting the intermediate mixture over a suitable dehydrating and/or cracking catalyst in a second reaction zone to form ethylene. Selectivities of ethylene of over 80% are achieved. | 02-04-2010 |
20110160510 | Process for the Production of Hydrocarbons Including Olefins from Synthesis Gas - A process is provided for the production of hydrocarbons that include olefins from synthesis gas containing at least one of carbon monoxide and or carbon dioxide wherein the synthesis gas is fed to a reactor in which a catalyst acts on the feed at a temperature of between 160° C. and 400° C. and a pressure of between 1 bar and 50 bar. The feed includes a compound containing one or both of nitrogen and phosphorous, such as ammonia and a phosphine, added to the reactor with the synthesis gas. The compound containing nitrogen typically constitutes at least 1 vol % and preferably of the order of 4 to 20 vol % or more of the feed. The carbonaceous gas may be carbon monoxide with a ratio of hydrogen to carbon monoxide in the synthesis gas of from 0.5:1 to 5:1. The catalyst is preferably a supported cobalt catalyst and may be modified with a promoter. The process produces an enhanced proportion of olefins, especially linear olefins, in the hydrocarbons produced. | 06-30-2011 |
20110190563 | PROCESS TO MAKE OLEFINS FROM ORGANICS WITH REDUCED SIDE REACTIONS - The present invention is a process for making an olefin product from an oxygen-containing organic feedstock comprising:
| 08-04-2011 |
20110196183 | Method for Crystalline Preparing Metalloaluminophosphate (MeAPO) Molecular Sieves - The invention relates to a process for obtaining a metalloaluminophosphate (MeAPO) molecular sieve comprising the following steps in the order given:
| 08-11-2011 |
20110230696 | OLEFIN PRODUCTION PROCESS - A novel olefin production process of the invention can be established as an industrial and practical process of producing an olefin with high selectivity by directly reacting a ketone and hydrogen in a single reaction step. In particular, a novel olefin production process is provided in which propylene is obtained with high selectivity by directly reacting acetone and hydrogen. An olefin production process of the invention includes reacting a ketone and hydrogen at a reaction temperature in the range of 50 to 300° C. in the presence of a Cu-containing hydrogenation catalyst and a solid acid substance. | 09-22-2011 |
20110237853 | PROCESS FOR PRODUCING HYDROCARBON OIL - A method for manufacturing a hydrocarbon oil, comprising: a first step wherein a feedstock oil containing an oxygen-containing organic compound and a water-insoluble chlorine-containing compound is brought into contact with a hydrogenation catalyst comprising a support containing a porous inorganic oxide and one or more metals selected from Group VIA and Group VIII of the periodic table supported on the support in the presence of hydrogen to generate a hydrocarbon oil and water in a vapor state by the hydrodeoxygenation of an oxygen-containing organic compound and convert the water-insoluble chlorine-containing compound into a water-soluble chlorine-containing compound; a second step wherein the water in the reaction product of the first step is maintained in a vapor state and the reaction product of the first step is brought into contact with a nitrogen-containing Brønsted base compound which has a boiling point at normal pressure of 100° C. or less and is water-soluble to obtain a product to be treated; and a third step wherein the product to be treated is cooled to a temperature not higher than the temperature at which water in a vapor state is liquefied to form an aqueous phase containing a water-soluble chlorine-containing compound and a nitrogen-containing Brønsted base compound and then separate the aqueous phase from an oil to be treated to obtain a product oil containing a hydrocarbon oil. | 09-29-2011 |
20110288357 | PROCESS FOR THE PREPARATION OF AN OLEFINIC PRODUCT - A process for the preparation of an olefinic product, the process comprising reacting an oxygenate feedstock in a reactor in the presence of catalyst comprising an aluminosilicate having one-dimensional 10 membered ring channels, to produce the olefinic product, wherein before reacting the oxygenate feedstock to produce the olefinic product, the acidity of the aluminosilicate has been increased by at least 5% by treating the aluminosilicate with an aqueous solution comprising at least one of a chelating agent and an acid, wherein the increase in acidity is based on the acidity of the aluminosilicate before treatment. | 11-24-2011 |
20110295049 | CATALYST RETURN APPARATUS, AND PROCESS FOR REACTING A FEEDSTOCK - A catalyst return apparatus is disclosed as well as a riser reactor system comprising the conduit apparatus and a riser reactor, the conduit apparatus comprising a catalyst return conduit and at least two flow control devices in series, each flow control device arranged to control the flow of fluid through the conduit, wherein the length of the catalyst return conduit is more than 20 m. A process for reacting a feedstock in a riser reactor system comprising a riser reactor, the catalyst return apparatus and, and a stage vessel, the process comprising: holding a fluid comprising the catalyst in the at least one stage vessel for a residence time of at least 10 seconds. | 12-01-2011 |
20110306814 | RISER REACTOR SYSTEM AND A PROCESS FOR THE PREPARATION OF AN OLEFINIC PRODUCT - A riser reactor system comprising a riser reactor and a catalyst feed device for fluidized catalyst, the riser reactor having a riser interior in which catalyst is flowing during normal operation, and the feed device comprising an annular trough surrounding the riser interior, the annular trough having an up-stream opening for receiving fluidized catalyst, and at least one substantially circumferential downstream opening providing fluid communication between the trough and the riser interior; and a process for the preparation of an olefinic product using a riser reactor system as claimed in any one of the preceding claims, the process comprising reacting an oxygenate feedstock in the presence of an oxygenate conversion catalyst under oxygenate-to-olefin conversion conditions in the riser reactor system, to obtain the olefinic product. | 12-15-2011 |
20110306815 | Metathesis Catalyst and Process for Use Thereof - This invention relates to a catalyst compound comprising a combination of a cyclic alkyl amino carbene ligand and a benzylidene both attached to a Group 8 metal, preferably ruthenium atom. | 12-15-2011 |
20110313224 | PROCESS FOR THE PREPARATION OF AN OLEFINIC PRODUCT AND AN OXYGENATE CONVERSION CATALYST - A process for the preparation of an olefinic product in the presence of a catalyst comprising an aluminosilicate having one-dimensional 10-membered ring channels and a silica-to-alumina-ratio of less than 170, and at least one Group IB metal at a metal loading of between 0.1 and 10 wt % of the aluminosilicate, the process comprising reacting an oxygenate feedstock under oxygenate conversion conditions to produce a reaction, product comprising ethylene and/or propylene. An oxygenate conversion catalyst is also claimed. | 12-22-2011 |
20110313225 | PROCESS FOR THE PREPARATION OF AN OLEFINIC PRODUCT, OXYGENATE CONVERSION CATALYST PARTICLES, AND PROCESS FOR THE MANUFACUTRE THEREOF - The invention provides a process for the preparation of an olefinic product, the process comprising reacting an oxygenate feedstock in the presence of formulated oxygenate conversion catalyst particles to produce the olefinic product, the formulated catalyst particles comprising a combination of at least a molecular sieve having one-dimensional 10-membered ring channels and a matrix wherein a Group II metal species has been added to the catalyst particles after the combination of said molecular sieve and the matrix. Further a process for the manufacture of formulated oxygenate conversion catalyst particles, comprising combining of at least a molecular sieve having one-dimensional 10-membered ring channels and a matrix to form catalyst particles, and adding a Group II metal species to the catalyst particles after the combination of said molecular sieve and the matrix; and also oxygenate conversion catalyst particles comprising a combination of at least a molecular sieve having one-dimensional 10-membered ring channels, a further molecular sieve having more-dimensional channels, a matrix, and a Group II metal species. | 12-22-2011 |
20120010453 | OLEFIN PRODUCTION PROCESS - A novel olefin production process is provided which can be established as an industrial and practical process capable of producing olefins by directly reacting a ketone and hydrogen in a single reaction step. In particular, a novel olefin production process is provided in which propylene is obtained with high selectivity by directly reacting acetone and hydrogen. | 01-12-2012 |
20120083640 | PROCESS FOR THE MANUFACTURE OF A FORMULATED OXYGENATE CONVERSION CATALYST, FORMULATED OXYGENATE CONVERSION CATALYST AND PROCESS FOR THE PREPARATION OF AN OLEFINIC PRODUCT - The present invention provides a process for the manufacture of a formulated oxygenate conversion catalyst, the process comprising: —treating with a phosphorus containing compound a first molecular sieve comprising aluminosilicate and a second molecular sieve, different from the first molecular sieve, the second molecular sieve having more-dimensional channels; and—combining the first molecular sieve, the second molecular sieve and a matrix material; wherein the catalyst is not treated with a phosphorus containing compound after combination of the molecular sieves with the matrix material. In a further aspect the invention provides a formulated oxygenate conversion catalyst and a process for the preparation of an olefinic product. | 04-05-2012 |
20120088947 | PROCESS FOR OXIDATIVE DEHYDROGENATION OF PARAFFINIC LOWER HYDROCARBONS - The present invention relates to a process for producing lower olefinic hydrocarbons by oxidative dehydrogenation of paraffinic lower hydrocarbons. More particularly the present invention provides a process for converting a feedstream comprising a paraffinic lower hydrocarbon and carbon dioxide to a product stream comprising an olefinic lower hydrocarbon and synthesis gas in the presence of the catalyst composition La—Mn/inert support, wherein said catalyst composition comprises 1-10 mass % lanthanum and 1-10 mass % manganese and optionally 0.3-3 mass % alkali metal. | 04-12-2012 |
20120101322 | OXYGENATE CONVERSION CATALYST, PROCESS FOR THE PREPARATION OF AN OLEFINIC PRODUCT, AND PROCESS FOR THE PREPARATION OF AN OXYGENATE CONVERSION CATALYST - An oxygenate conversion catalyst comprising both a first molecular sieve having one-dimensional 10-membered ring channels, and a second molecular sieve having more-dimensional channels, wherein the second molecular sieve comprises MEL-type aluminosilicate; a process for the preparation of an olefinic product in the presence of the oxygenate conversion catalyst, and a process for the preparation of an oxygenate conversion catalyst. | 04-26-2012 |
20120108876 | PROCESS AND REACTOR SYSTEM FOR THE PREPARATION OF AN OLEFINIC PRODUCT - A process and a reactor system for the preparation of an olefinic product by reacting an oxygenate feedstock in the presence of an oxygenate conversion catalyst within a reactor system under oxygenate-to-olefin conversion conditions, to obtain the olefinic product, wherein the reactor system has a contact surface coming in contact with oxygenates and wherein at least part of the contact surface is an material of the formula MX wherein: M is a metal and X is C, or M is a metal or Si and X is N. | 05-03-2012 |
20120130138 | METHOD FOR MANUFACTURING PROPYLENE AND CATALYST FOR MANUFACTURING PROPYLENE - There are provided a catalyst for manufacturing propylene, which can keep stable activity for a prolonged period of time in manufacturing propylene by bringing an oxygen-containing compound into contact with the catalyst in the presence of an olefin having 4 or more carbon atoms, and a method for manufacturing propylene using this catalyst for manufacturing propylene. | 05-24-2012 |
20120142990 | PROCRESS FOR THE PREPARATION OF AN OLEFINIC PRODUCT, PROCESS FOR THE MANUFACTURE OF AN OXYGENATE CONVERSION CATALYST AND AN OXYGENATE CONVERSION CATALYST - A process for the preparation of an olefinic product in the presence of an oxygenate conversion catalyst, the catalyst comprising a molecular sieve, wherein the molecular sieves comprises a SAPO-type silicoaluminophosphate, MFI-type aluminosilicate and/or MEL-type aluminosilicate, and a sulphur species at an elemental sulphur loading of at least 0.05 wt % based on total catalyst, the process comprising reacting an oxygenate feedstock under oxygenate conversion conditions to produce an olefinic reaction product. Further a process for the manufacture of an oxygenate conversion catalyst, and an oxygenate conversion catalyst comprising a molecular sieve having n-membered ring channels wherein n is 10 or less, and a sulphur species. | 06-07-2012 |
20120184791 | PROCESS FOR THE MANUFACTURE OF A FORMULATED OXYGENATE CONVERSION CATALYST, FORMULATED OXYGENATE CONVERSION CATALYST AND PROCESS FOR THE PREPARATION OF AN OLEFINIC PRODUCT - The present invention provides a process for the manufacture of a formulated oxygenate conversion catalyst, the process comprising combining a first molecular sieve comprising aluminosilicate, a second molecular sieve, different from the first molecular sieve, the second molecular sieve having more-dimensional channels, and a matrix material; and, treating the catalyst with a phosphorus containing compound after combination of the molecular sieves with the matrix material. In a further aspect the invention provides a formulated oxygenate conversion catalyst and a process for the preparation of an olefinic product. | 07-19-2012 |
20120203046 | HIGH STRENGTH SAPO-34 MICROSPHERE CATALYST, METHOD FOR PREPARING SAME, AND METHOD FOR PREPARING LIGHT OLEFINS USING SAME - The present invention relates to a high-strength silicoaluminophasphate-34 (SAPO-34) microsphere catalyst, a method for preparing the same, and a method for preparing light olefins by using the same, and when described in more detail, the present invention relates to a method for preparing a SAPO-34 microsphere catalyst, including: spray drying a mixed slurry including a matrix, a binder, an additive, and the like to a SAPO-34 slurry prepared by a hydrothermal synthesizing method using various organic templates such as tetraethylammonium hydroxide (TEAOH), and the like alone or in mixtures to prepare microspheres, and firing the microspheres, and to a SAPO-34 microsphere catalyst for a circulating-fluidized bed reactor, prepared by the preparation method. The SAPO-34 microsphere catalyst of the present invention has excellent reaction activity while having high strength, and thus is appropriate for use in a circulating-fluidized bed reactor requiring high strength of the catalyst. Further, the SAPO-34 microsphere catalyst has a long life-span and excellent conversion rate of C | 08-09-2012 |
20130030234 | Single Module Apparatus for Production of Hydro-Carbons and Method of Synthesis - Disclosed herein is a method to synthesize hydrocarbons directly from water and atmospheric air in the presence of small amount of hydrocarbons. A module apparatus for gaseous and liquid hydrocarbons production and a technological process of hydrocarbons synthesis is provided. The peculiarity of the developed technological process is that atmospheric air and water are consumed in the process of synthesis, while a hydrocarbon matrix is maintained unconsumed. | 01-31-2013 |
20130079576 | CONVERSION OF METHYLAMINE TO OLEFIN OR MIXTURE OF OLEFINS - Convert a methylamine (e.g. monomethylamine, dimethylamine and trimethylamine) to a mixture of olefins (e.g. ethylene, propylene and butylene) by placing the methylamine, optionally in a mixture with at least one of ammonia and an inert diluent, in contact with a microporous acidic silicoaluminophosphate catalyst or a microporous aluminosilicate catalyst. | 03-28-2013 |
20130137913 | PROCESS FOR THE REJUVENATION OF A SPENT MOLECULAR SIEVE CATALYST - The present invention relates to a process for the rejuvenation of a spent molecular sieve, comprising at least the steps of:
| 05-30-2013 |
20130296626 | METHOD FOR PRODUCING OLEFIN - The present invention discloses a method for producing an olefin through decarbonylation of a carboxylic acid having a β-hydrogen atom or a derivative thereof in the presence of a catalyst containing at least one metal element selected from Groups 9, 10, and 11 metals under conditions with a concentration of carbon monoxide of not less than 41 mmol/L. | 11-07-2013 |
20140243569 | PROCESS AND ROTARY MACHINE TYPE REACTOR - A rotary machine type shock wave reactor suitable for thermal cracking of hydrocarbon-containing materials includes a casing, a rotor whose periphery contains an axial-flow blade cascade, and a directing rim, provided with at least two stationary vane cascades, adjoining an axial-flow rotor cascade, wherein the casing substantially encloses the periphery of the rotor and the directing rim. The cascades are configured to direct feedstock containing process stream to repeatedly pass the cascades in a helical trajectory while propagating within the duct between the inlet and exit and to generate stationary shock-waves to heat the feedstock. The axial-flow rotor cascade is configured to provide kinetic energy and add velocity to feedstock containing process stream, and the stationary vanes located downstream the rotor cascade are configured to reduce the velocity of the stream and convert kinetic energy into heat. The reactor may also process carbohydrate- and glyceride-based feedstock, and gaseous biomass matter. | 08-28-2014 |
20140343338 | CATALYST RETURN APPARATUS AND PROCESS FOR REACTING A FEEDSTOCK - A catalyst return apparatus is disclosed as well as a riser reactor system comprising the conduit apparatus and a riser reactor, the conduit apparatus comprising a catalyst return conduit and at least two flow control devices in series, each flow control device arranged to control the flow of fluid through the conduit, wherein the length of the catalyst return conduit is more than 20 m. A process for reacting a feedstock in a riser reactor system comprising a riser reactor, the catalyst return apparatus and, and a stage vessel, the process comprising: holding a fluid comprising the catalyst in the at least one stage vessel for a residence time of at least 10 seconds. | 11-20-2014 |
20140357919 | PROCESS FOR THE OXIDATIVE REGENERATION OF A DEACTIVATED CATALYST AND AN APPARATUS THEREFOR - The present invention relates to a process for the oxidative regeneration of a deactivated catalyst comprising molecular sieve to provide a regenerated molecular sieve catalyst, wherein said deactivated catalyst is from one or both of an oxygenate to olefin process and a olefin cracking process, said regeneration process comprising at least the steps of providing a regeneration gas stream comprising oxidant; treating the regeneration gas stream with a liquid adsorbent stream comprising an ethylene glycol in a contaminant absorption zone to remove at least a part of one or more of any water, any alkali metal ion and any alkaline earth metal ion present in the regeneration gas stream to provide a treated regeneration gas stream comprising oxidant; regenerating a deactivated catalyst comprising molecular sieve with the treated regeneration gas stream to provide a regenerated catalyst comprising regenerated molecular sieve. | 12-04-2014 |
20160001272 | HYDROTREATMENT CATALYST WITH A HIGH DENSITY OF MOLYBDENUM, AND PROCESS FOR ITS PREPARATION - The present invention concerns a hydrotreatment catalyst comprising an alumina-based support, at least one metal from group VIB, at least one metal from group VIII and phosphorus, in which:
| 01-07-2016 |
20160046874 | Hydrocarbon Upgrading - The invention relates to hydrocarbon streams containing impurities such as carbon oxysulfides, to processes for upgrading the hydrocarbons by removing at least a portion of the impurities therefrom, to equipment useful in such processes, and to the use of upgraded hydrocarbons for, e.g., chemical manufacturing. | 02-18-2016 |
20160090538 | APPARATUSES AND METHODS FOR FLUID CATALYTIC CRACKING WITH LIMITED PARTICULATE EMISSIONS - Methods and apparatuses are provided for cracking a hydrocarbon. The method includes contacting a first hydrocarbon stream with a cracking catalyst in a riser. The cracking catalyst is regenerated in a regenerator to produce a flue gas stream having a particulate concentration, where the flue gas stream is vented. A second stream is contacted with the cracking catalyst in the riser while the first hydrocarbon stream is contacted with the catalyst, where the second stream includes a natural oil. The particulate concentration is a second particulate concentration while the second stream contacts the cracking catalyst, and a first particulate concentration prior to the second stream contacting the cracking catalyst. The first particulate concentration is greater than the second particulate concentration. | 03-31-2016 |