Class / Patent application number | Description | Number of patent applications / Date published |
585322000 | Including an aromatization step | 25 |
20100160700 | PROCESS AND CATALYSTS FOR REFORMING FISHER TROPSCH NAPHTHAS TO AROMATICS - Improved processes and catalysts are described for the conversion of oxygenate-containing olefinic Fischer Tropsch naphtha into aromatics. This involves removal of the oxygenates without complete saturation of the olefins followed by aromatization of the oxygenate-depleted olefinic naphtha preferably over a catalyst that is tolerant to oxygenates. | 06-24-2010 |
20110184217 | Method of Enhancing an Aromatization Catalyst - A hydrocarbon aromatization process comprising adding a nitrogenate, an oxygenate, or both to a hydrocarbon stream to produce an enhanced hydrocarbon stream, and contacting the enhanced hydrocarbon stream with an aromatization catalyst, thereby producing an aromatization reactor effluent comprising aromatic hydrocarbons, wherein the catalyst comprises a non-acidic zeolite support, a group VIII metal, and one or more halides. Also disclosed is a hydrocarbon aromatization process comprising monitoring the presence of an oxygenate, a nitrogenate, or both in an aromatization reactor, monitoring at least one process parameter that indicates the activity of the aromatization catalyst, modifying the amount of the oxygenate, the nitrogenate, or both in the aromatization reactor, thereby affecting the parameter. | 07-28-2011 |
20110263917 | Process for Producing Propylene and Aromatics from Butenes by Metathesis and Aromatization - The invention is for a process for producing propylene and hexene (along with ethylene, pentenes, product butenes, heptenes and octenes) by metathesis from butenes (iso-, 1- and cis and trans 2-) and pentenes and then aromatizing the hexenes (along with higher olefins, such as heptenes and octenes) to benzene (along with toluene, xylenes, ethylbenzene and styrene). Since the desired products of the metathesis reaction are propylene and hexene, the feed to the metathesis reaction has a molar ratio for 1-butene:2-butene which favors production of propylene and 3-hexene with the concentration of hexenes and higher olefins in the metathesis product being up to 30 mole %. An isomerization reactor may be used to obtain the desired molar ratio of 1-butene:2-butene for the feed composition into the metathesis reactor. After the metathesis reaction, of hexene and higher olefins are separated for aromatization to benzene and other aromatics. | 10-27-2011 |
20120157734 | PROCESS FOR THE CONVERSION OF RENEWABLE OILS TO LIQUID TRANSPORTATION FUELS - The present invention relates to production of fuels or fuel blendstocks from renewable sources. Various embodiments provide a method of producing a hydrocarbon product by hydrotreating a feedstock including at least one of a renewable triacylglyceride (TAG), renewable free fatty acid (FFA), and renewable fatty acid C | 06-21-2012 |
20120271083 | PRODUCTION OF AROMATICS FROM NONCATALYTICALLY CRACKED FATTY ACID BASED OILS - A method for producing aromatic compounds from fatty acid oils including heating a fatty acid oil to a temperature between about 100° C. to about 800° C. at a pressure between about vacuum conditions and about 200 psia for a time sufficient to crack the oil and produce a cracked fatty acid oil; removing undesired materials, unreacted oil, heavy ends, and light ends from the cracked fatty acid oil; heating the resulting purified cracked fatty acid oil to a temperature between about 100° C. to about 800° C. at a pressure between about vacuum conditions and about 200 psia for a time sufficient to reform alkenes and alkanes in the cracked fatty acid oil into aromatic compounds and produce a reformed fatty acid oil; and extracting components from the reformed fatty acid oil to produce a mixture of chemical products containing between 5% and 90% aromatic compounds by weight. | 10-25-2012 |
20130131414 | PROCESS FOR THE CONVERSION OF PROPANE AND BUTANE TO AROMATIC HYDROCARBONS - A process for the conversion of propane and/or butane into aromatics which comprises first reacting a propane and/or butane feed in the presence of an aromatization catalyst under reaction conditions which maximize the conversion of propane and/or butane into first stage aromatic reaction products, separating ethane produced in the first stage reaction from the first stage aromatic reaction products, reacting ethane in the presence of an aromatization catalyst under reaction conditions which maximize the conversion of ethane into second stage aromatic reaction products, and optionally separating ethane from the second stage aromatic reaction products. | 05-23-2013 |
20130158320 | INITIAL HYDROTREATING OF NAPHTHENES WITH SUBSEQUENT HIGH TEMPERATURE REFORMING - A process for the production of aromatics through the reforming of a hydrocarbon stream is presented. The process utilizes the differences in properties of components within the hydrocarbon stream to increase the energy efficiency. The differences in the reactions of different hydrocarbon components in the conversion to aromatics allows for different treatments of the different components to reduce the energy used in reforming process. | 06-20-2013 |
20130261361 | DEHYDROGENATION OF ALKANOLS TO INCREASE YIELD OF AROMATICS - The present invention provides methods, reactor systems, and catalysts for increasing the yield of aromatic hydrocarbons produced while converting alkanols to hydrocarbons. The invention includes methods of using catalysts to increase the yield of benzene, toluene, and mixed xylenes in the hydrocarbon product. | 10-03-2013 |
20130338415 | PROCESS FOR THE CONVERSION OF MIXED LOWER ALKANES TO AROMATIC HYDROCARBONS - A process comprising: contacting a lower alkane feed comprising propane and ethane with an aromatization catalyst in a first stage under first stage reaction conditions to produce a first stage product stream comprising ethane and aromatics; separating the aromatics from the first stage product stream to form an aromatics product stream and a second stage feed; and contacting the second stage feed with an aromatization catalyst in a second stage under second stage reaction conditions to produce a second stage product stream comprising ethane and aromatics wherein the amount ethane in the first stage product stream is equal to from 80 to 300% of the amount of ethane in the lower alkane feed and the amount of ethane in the second stage product stream is 500 equal to at most 80% of the amount of ethane in the second stage feed is described. | 12-19-2013 |
20140046107 | REVERSE FLOW REACTORS FOR PROPYLENE AND AROMATICS PRODUCTION - A reverse flow regenerative reactor having first and second zones, each having first and second ends, the first zone having a plurality of channels capable of separately conveying at least two components of a combustible gas mixture, a gas distributor configured for injecting the components of the combustible gas mixture into first zone, a combustion zone including a selective combustion catalyst disposed at or downstream of the second end of said channels for catalyzing combustion, wherein the second zone is positioned and situated to receive a combusted gas mixture. Processes usefully conducted in the reactor are also disclosed. | 02-13-2014 |
20140114106 | PROCESS FOR THE PRODUCTION OF PARA-XYLENE - A reforming process using a medium pore zeolite under conditions to facilitate the conversion of C | 04-24-2014 |
20140148629 | PROCESS FOR PRODUCING PROPYLENE AND AROMATICS FROM BUTENES BY METATHESIS AND AROMATIZATION - The disclosure is for a process for producing propylene and hexene (along with ethylene, pentenes, product butenes, heptenes and octenes) by metathesis from butenes (iso-, 1- and cis and trans 2-) and pentenes and then aromatizing the hexenes (along with higher olefins, such as heptenes and octenes) to benzene (along with toluene, xylenes, ethylbenzene and styrene). Since the desired products of the metathesis reaction are propylene and hexene, the feed to the metathesis reaction has a molar ratio for 1-butene:2-butene which favors production of propylene and 3-hexene with the concentration of hexenes and higher olefins in the metathesis product being up to 30 mole %. An isomerization reactor may be used to obtain the desired molar ratio of 1-butene:2-butene for the feed composition into the metathesis reactor. After the metathesis reaction, of hexene and higher olefins are separated for aromatization to benzene and other aromatics. | 05-29-2014 |
20140155665 | STEAMCRACKING BIO-NAPHTHA PRODUCED FROM COMPLEX MIXTURES OF NATURAL OCCURRING FATS AND OILS - A process for making a bio-naphtha and optionally bio-propane from a complex mixture of natural occurring fats & oils, wherein
| 06-05-2014 |
20140350317 | HYDROGENATION OF CARBOXYLIC ACIDS TO INCREASE YIELD OF AROMATICS - The present invention provides methods, reactor systems, and catalysts for increasing the yield of aromatic hydrocarbons produced while converting carboxylic acids to aromatic hydrocarbons. The invention includes methods of using catalysts to increase the yield of benzene, toluene, and mixed xylenes in the hydrocarbon product. | 11-27-2014 |
20150038752 | SYSTEMS AND METHODS OF PRODUCING AROMATIC PRODUCTS - Systems and methods for producing aromatic products are provided. An aromatic stream is provided with aromatic compounds and olefins. The olefins are reacted with aromatic compounds to form colored bodies, and the aromatic stream is distilled to produce an overhead stream and reboiler stream. The colored bodies are in the reboiler stream, and the reboiler stream is passed through an absorbent to remove the colored bodies. | 02-05-2015 |
20150065769 | Oxygen Storage and Production of C5+ Hydrocarbons - Disclosed are reactors and reaction processes for contacting hydrocarbon reactant in the presence of oxygen stored and released within a thermal mass region of the reactor, and catalytically converting at least a portion of alkane, e.g., methane, in the hydrocarbon reactant to produce a reaction mixture comprising a C | 03-05-2015 |
20150133705 | DEHYDROGENATION OF ALKANOLS TO INCREASE YIELD OF AROMATICS - The present invention provides methods, reactor systems, and catalysts for increasing the yield of aromatic hydrocarbons produced while converting alkanols to hydrocarbons. The invention includes methods of using catalysts to increase the yield of benzene, toluene, and mixed xylenes in the hydrocarbon product. | 05-14-2015 |
20150141725 | PROCESS FOR PROVIDING AROMATICS FROM COAL TAR - A process for providing aromatics from a coal tar stream. A coal tar stream is provided, and the coal tar stream is fractionated into at least a naphtha range stream. The naphtha range stream is hydrotreated, and the hydrotreated naphtha range stream is separated to provide at least a naphthene rich stream. The naphthene rich stream is reformed or dehydrogenated to convert the naphthene. The dehydrogenated naphthene rich stream may be combined with a portion of a reformed crude oil hydrocarbon stream. | 05-21-2015 |
20150299594 | PROCESS FOR THE PREPARATION OF HYDROCARBONS - Process for the preparation of higher hydrocarbons boiling in the gasoline range from methane containing feed gas comprising the steps of a) mixing the feed gas with a hydrogenated tail gas and autothermal reforming the mixed feed gas to a methanol synthesis gas containing hydrogen, carbon monoxide and carbon dioxide; b) converting the methanol synthesis gas to a methanol and dimethyl ether containing effluent in presence of one or more catalysts active in the conversion of hydrogen and carbon oxides to methanol and dehydration of methanol to dimethyl ether; c) converting the methanol and dimethyl ether containing effluent as prepared in step (b) to a raw product containing hydrocarbons boiling in the gasoline range, water, unconverted methanol synthesis gas and carbon dioxide formed during the conversion of the methanol synthesis gas; d) cooling and separating the raw product into a water fraction, a higher hydrocarbon fraction boiling in the gasoline range and into a tail gas with the unconverted methanol synthesis gas and the carbon dioxide; e) hydrogenating a part of the tail gas as obtained in step d) to provide the hydrogenated tail gas; and f) recycling the hydrogenated tail gas to step (a). | 10-22-2015 |
20150376090 | FCC PROCESS WITH A DEHYDROGENATION ZONE FOR MAX PROPYLENE PRODUCTION - A process is presented for the production of light olefins. The process provides for the separation of the effluent stream from a catalytic cracking process into a stream having light olefins and a stream having heavier hydrocarbons. The heavier stream is oligomerized to generate an oligomer stream having heavier hydrocarbons, and then separated into a stream to be passed to the catalytic cracking process, and a stream to be passed to a reforming unit. | 12-31-2015 |
20160090334 | Conversion of Acetylene and Methanol to Aromatics - Methods are provided for forming aromatic compounds from a highly unsaturated aliphatic feeds optionally in combination with methanol. The method can include dehydrogenating a feed containing at least about 50 vol % C | 03-31-2016 |
20160097007 | TWO-STEP PROCESS FOR AROMATICS PRODUCTION FROM NATURAL GAS/SHALE GAS CONDENSATES - The aromatics production system is useful for producing an aromatics-rich system product from a liquid hydrocarbon condensate includes a hydroprocessing reactor, an aromatization reactor system and a hydrogen extraction unit. The method for producing the aromatics-rich system product from the wide boiling range condensate includes introducing the wide boiling range condensate into the hydroprocessing reactor, operating the aromatics production system such that the hydroproces sing reactor forms a naphtha boiling temperature range liquid product, such that the aromatization reactor system forms the aromatics-rich system product, and such that the hydrogen extraction unit forms a high-purity hydrogen. | 04-07-2016 |
20160097008 | PROCESS FOR PRODUCING AROMATICS FROM WIDE-BOILING TEMPERATURE HYDROCARBON FEEDSTOCKS - The present invention relates to methods and systems useful for producing aromatics-rich products from liquid hydrocarbon condensates. The production system includes a hydroprocessing reactor, an aromatization reactor system and a hydrogen extraction unit. The methods for producing the aromatics-rich products include introducing a wide boiling range condensate into the hydroprocessing reactor and operating the aromatics production system such that the hydroprocessing reactor forms a naphtha boiling temperature range liquid product. The liquid hydrocarbons produced in accordance with the present invention may optionally be further processed using a hydrogen extraction unit to produce a high-purity hydrogen fraction. | 04-07-2016 |
20160168477 | Synthesis of Drop-in Liquid Fuels and Chemicals from Methanol, Ethanol or Syngas Using Mixed Catalysts | 06-16-2016 |
20160176779 | Ethane and Ethylene to Aromatics | 06-23-2016 |