Class / Patent application number | Description | Number of patent applications / Date published |
585256000 | Molecular weight reduction | 30 |
20110118517 | Manufacturing Process for Branched and Linear Alkylated Benzene as Precursor for Enhanced Oil Recovery Surfactant - A process is presented for the preparation of surfactants that are useable in enhanced oil recovery. The surfactants are long chained sulfonated alkylaryl compounds. The process includes recovering linear and lightly branched paraffins from a hydrocarbon stream, dehydrogenating the paraffins, and then alkylating benzene with the olefins generated. The process uses pentasil zeolites to selectively separate the normal and lightly branched paraffins from the hydrocarbon stream. | 05-19-2011 |
20110144397 | METHOD FOR CONTAMINANTS REMOVAL IN THE OLEFIN PRODUCTION PROCESS - The present invention provides a method and reactor system for hydrogenating acetylenes present in the olefin stream derived from the following streams, alone or in combination: petroleum catalytic cracking process and/or oxygenate-to-olefin reactor, such as methanol-to-olefin (MTO) reactor, in an olefin production plant before the distillation steps, wherein the acetylene hydrogenation occurs before or just after the acid gas removal step. | 06-16-2011 |
20110207979 | METHOD FOR PRODUCING HIGH VALUE AROMATICS AND OLEFIN FROM LIGHT CYCLE OIL PRODUCED BY A FLUIDIZED CATALYTIC CRACKING PROCESS - The present invention relates to a method of producing aromatic products (benzene/toluene/xylene) and olefin products from petroleum fractions obtained by fluid catalytic cracking, and, more particularly, to a method of producing products comprising high-concentration aromatic products and high value-added light olefin products from light cycle oil obtained by fluid catalytic cracking. | 08-25-2011 |
20120004479 | GAS AND LIQUID PHASE HYDROPROCESSING FOR BIOCOMPONENT FEEDSTOCKS - Diesel fuel is produced from a feedstock that is at least partially biocomponent in origin. A feedstock is treated in a reactor including one or more hydrotreating zones having a continuous gas phase. The liquid effluent from the hydrotreating zones is then hydroprocessed in a hydroprocessing zone having a continuous liquid phase, such as a hydroprocessing zone in the same reactor. The hydroprocessing zone can be operated under effective catalytic dewaxing conditions. | 01-05-2012 |
20120022308 | PROCESS FOR PREPARING ACETYLENE BY THE SACHSSE-BARTHOLOME PROCESS - A process is proposed for preparing acetylene by the Sachsse-Bartholomé process by combustion of a natural gas/oxygen mixture in one or more burners to obtain a cracking gas which is cooled in two or more stages in burner columns, each burner having one or more burner columns assigned thereto, and said cracking gas being quenched with pyrolysis oil in the first cooling stage, to obtain a low boiler fraction comprising benzene, toluene and xylene from the one or more burner columns, which is cooled with direct cooling water and separated in a phase separator into an aqueous phase and an organic phase which comprises benzene, toluene and xylene and is fully or partly introduced to the top of the one or more burner columns as a return stream, wherein the organic phase comprising benzene, toluene and xylene from the phase separator, prior to full or partial recycling to the top of the one or more burner columns, is supplied to a selective hydrogenation over a catalyst which comprises at least one platinum group metal on an inorganic metal oxide as support, comprising 0.05 to 5% by weight of platinum group metal, based on the total weight of the catalyst, and wherein the selective hydrogenation is performed at a pressure in the range from 10 to 70 bar gauge and a temperature in the range from 0 to 100° C. | 01-26-2012 |
20130018213 | DEOXYGENATION OF FATTY ACIDS FOR PREPARATION OF HYDROCARBONS - Embodiments of methods for making renewable diesel by deoxygenating (decarboxylating/decarbonylating/dehydrating) fatty acids to produce hydrocarbons are disclosed. Fatty acids are exposed to a catalyst selected from a) Pt and MO | 01-17-2013 |
20130066122 | DIESEL FUEL PRODUCTION DURING LUBRICANT BASE OIL HYDROPROCESSING - Conditions selected for lubricant base oil production can be used to also produce a high quality diesel product. The diesel product can have a cetane index or cetane number of at least 55, corresponding to a high value diesel fuel. The diesel product can also have good cold flow properties, such as a pour point of −40° C. or less and/or a cloud point of 25° C. or less. Additionally, the sulfur content of the diesel product can be low, such as less than 1 wppm. This can allow the diesel product to be blended with other potential diesel boiling range products that have a higher sulfur content while still meeting an overall diesel fuel specification. The aromatics content can also be low, allowing the premium diesel to comply with various regulatory requirements. | 03-14-2013 |
20130137907 | PROCESS FOR THE PRODUCTION OF MIDDLE DISTILLATE FROM A CONVENTIONAL HEAVY FEEDSTOCK INCLUDING A STEP FOR SELECTIVE HYDROGENATION OF THE EX FCC HCO CUT - The present invention describes a process for the conversion of a heavy feedstock for improving the production and selectivity for middle distillate, said process using a catalytic cracking unit followed by a unit for selective hydrogenation of the heavy distillate cut (HCO) or any other cut rich in triaromatic compounds before recycling it to the FCC reaction zone in order to maximize the middle distillate cut. | 05-30-2013 |
20130165712 | INTEGRATED PROCESS FOR THE PREPARATION OF A LOWER OLEFIN PRODUCT - A process for the preparation of an olefin product comprising ethylene, comprising a) cracking a cracker feedstock to obtain a cracker effluent comprising olefins; b) converting an oxygenate feedstock in an oxygenate-to-olefins conversion system, comprising a reaction zone in which an oxygenate feedstock is contacted a catalyst to obtain a conversion effluent comprising ethylene and/or propylene; c) combining at least part of the cracker effluent and at least part of the conversion effluent to obtain a combined effluent wherein the combined effluent comprises a C | 06-27-2013 |
20130184506 | METHOD FOR PRODUCING AROMATIC HYDROCARBONS - Disclosed is a method for producing aromatic hydrocarbons including a cracking reforming reaction step of bringing a feedstock having a 10 vol % distillation temperature of 140° C. or higher and a 90 vol % distillation temperature of 380° C. or lower, into contact with a catalyst for monocyclic aromatic hydrocarbon production containing a crystalline aluminosilicate to cause the feedstock to react with the catalyst, and thereby obtaining a product including monocyclic aromatic hydrocarbons having 6 to 8 carbon numbers and a heavy oil fraction having 9 or more carbon numbers; a step of separating the monocyclic aromatic hydrocarbons and the heavy oil fraction from the product obtained from the cracking reforming reaction step; a step of purifying the monocyclic aromatic hydrocarbons separated in the separating step, and collecting the hydrocarbons; and a step of separating naphthalene compounds from the heavy oil fraction separated in the separating step, and collecting the naphthalene compounds. | 07-18-2013 |
20130253239 | Heavy Alkylbenzene Production Through Oligomerization - A process for producing heavy alkyl aromatics is presented. The process utilizes low molecular weight hydrocarbons for generating larger alkyl groups. The hydrocarbons can be generated from a variety of sources including Fischer-Tropsch liquids. The process includes oligomerization of low molecular weight olefins to larger olefins. The larger olefins are passed to an alkylation reactor to alkylate aromatic compounds. | 09-26-2013 |
20140024867 | METHOD FOR PRODUCING HYDROCARBON MATERIAL - A method for producing a hydrocarbon material from a C | 01-23-2014 |
20140039232 | GENETICALLY ENGINEERED MICROBES AND USES THEREOF - This invention concerns methods of identifying genetic alterations with which a microbe can be used to produce fatty acids at a large amount for making biofuels. Also disclosed are microbes with such genetic alterations and uses thereof. | 02-06-2014 |
20140066672 | METHOD FOR PRODUCING SINGLE-RING AROMATIC HYDROCARBONS - Provided is a method for producing monocyclic aromatic hydrocarbons having 6 to 8 carbon atoms, the method including a cracking reforming reaction step of bringing feedstock oil into contact with a catalyst to effect a reaction; a step of purifying and recovering monocyclic aromatic hydrocarbons separated from the reaction step; and (1) a step of hydrogenating a heavy fraction separated from the reaction step; a dilution step of returning a portion of the hydrogenation product as a diluent oil to the hydrogenation step; and a step of returning the hydrogenation product to the reaction step; or (2) a step of adding a diluent to the heavy fraction separated from the reaction step; a step of hydrogenating the mixture; and a step of returning the hydrogenation product to the reaction step. | 03-06-2014 |
20140066673 | METHOD FOR PRODUCING MONOCYCLIC AROMATIC HYDROCARBONS - A method for producing monocyclic aromatic hydrocarbons includes a cracking reforming reaction step of bringing an oil feedstock into contact with a catalyst for monocyclic aromatic hydrocarbon production containing a crystalline aluminosilicate, and causing the oil feedstock to react, thereby obtaining a product containing monocyclic aromatic hydrocarbons having 6 to 8 carbon atoms, a hydrogenation reaction step of hydrogenating a product produced in the cracking reforming reaction step, a monocyclic aromatic hydrocarbon recovery step of recovering monocyclic aromatic hydrocarbons having 6 to 8 carbon atoms separated from a hydrogenation product obtained in the hydrogenation reaction step and a recycling step of returning a heavy fraction having 9 or more carbon atoms separated from the hydrogenation product obtained in the hydrogenation reaction step to the cracking reforming reaction step. | 03-06-2014 |
20140073826 | BASE OIL UPGRADING BY CO-FEEDING A KETONE OR BETA-KETO-ESTER FEEDSTOCK - This invention discloses a process for making high viscosity index lubricating base oils having a viscosity index of at least 110 by co-feeding a ketone or a beta-keto-ester feedstock with a lubricant oil feedstock directly to a hydrocracking unit to produce a hydrocracked stream. Then at least a portion of the hydrocracked stream is treated under hydroisomerization conditions to produce a high viscosity index lubricating base oil. The process may involve bypassing a hydrotreating or hydrofinishing step, which may result in improved efficiency and economics in producing high viscosity index lubricating base oils. | 03-13-2014 |
20140135542 | METHOD FOR PREPARING FUEL BY USING BIOLOGICAL OILS AND FATS - A new method of producing fuel from biological oils and fats is provided, which comprises following steps: (a) proceeding with a catalytic cracking-deoxygenation reaction for the biological oils and fats under heating in the presence of a cracking-deoxygenation catalyst; (b) mixing the product of step (a) with hydrogen gas; and (c) proceeding with a catalytic hydrodeoxygenation reaction for the mixture from step (b) under heating in the presence of a hydrodeoxygenation catalyst. By means of the method of the present invention, clean fuel produced by using biological oils and fats as raw materials is compatible to the fuel composition produced from crude oil refining. | 05-15-2014 |
20140148627 | MOS2 CATALYST PROCESS FOR THE CONVERSION OF SUGAR ALCOHOL TO HYDROCARBONS - Cellulose and hemicellulose from biomass can be broken down to C6 and C5 sugars and further converted to corresponding sugar alcohols. It is now found that a new catalyst, MoS2, is active for the hydrogenation of sugar alcohols to hydrocarbons. Combining the technologies listed above allows us to convert the cellulose/hemicellulose to liquid hydrocarbons. | 05-29-2014 |
20140155663 | ENHANCED PROCESS FOR THE HYDROCONVERSION OF HEAVY OILS THROUGH EBULLATED-BED SYSTEMS - Process for the hydroconversion of heavy oils, selected from crude oils, heavy crude oils, bitumens from tar sands, distillation residues, distillation heavy cuts, distillation deasphalted residues, vegetable oils, oils from coal and oil shale, oils from the thermodecomposition of waste material, polymers, biomasses, comprising sending the heavy oil to a hydroconversion area, effected in one or more ebullated bed reactors, wherein hydrogen is introduced, in the presence of a suitable heterogeneous, supported, hydroconversion catalyst, in addition to a suitable hydrogenation catalyst, nano-dispersed in said heavy oil, and sending the stream coming from the hydroconversion area to a separation area, in which the separated liquid fraction, containing the nano-dispersed catalyst, is recycled to the ebullated bed reactor(s). | 06-05-2014 |
20140163273 | Method and Apparatus for Managing the Conversion of Hydrocarbons Into Olefins - An apparatus and method are provided for processing hydrocarbon feeds. The method enhances the conversion of hydrocarbon feeds into ethylene. In particular, the present techniques expose feed containing hydrocarbons to high-severity operating conditions in a pyrolysis reactor and separate the reactor product from the reactor into a first product having hydrogen and a second product including ≧90 mole percent of the acetylene in the reactor product. Then, the second product is reacted with a catalyst in a converter to form ethylene. | 06-12-2014 |
20140200377 | METHOD FOR PRODUCING MONOCYCLIC AROMATIC HYDROCARBONS - The present method for producing monocyclic aromatic hydrocarbons is a method for producing monocyclic aromatic hydrocarbons having 6 to 8 carbon atoms. This method includes a cracking and reforming reaction step of bringing oil feedstock into contact with a catalyst to cause a reaction and obtain a product containing monocyclic aromatic hydrocarbons having 6 to 8 carbon atoms and a heavy fraction having 9 or more carbon atoms, a purification and recovery step of purifying and recovering the monocyclic aromatic hydrocarbons having 6 to 8 carbon atoms separated from the product formed by the cracking and reforming reaction step, and a first returning step of returning at least a portion of toluene obtained by the purification and recovery step to the cracking and reforming reaction step. | 07-17-2014 |
20140213836 | THERMAL CRACKING OF IMPURITIES IN TRIGLYCERIDE MIXTURES - A heated petroleum-derived hydrocarbon is contacted with a triglyceride feed in a thermal cracking zone to decompose and remove impurities prior to hydrotreating the mixture to fuel range hydrocarbon. This process allows the use of a variety of low cost triglyceride feeds while reducing fouling of process equipment and catalyst. The process also reduces the use of chemicals required for conventional degumming of triglyceride feeds. | 07-31-2014 |
20140275672 | SYSTEMS AND METHODS FOR TEMPORARY DEACTIVATION OF HYDROCRACKING CATALYST - Methods and systems for idling a hydrocracker are provided. The method can include hydrocracking a hydrocarbon in the presence of a catalyst and hydrogen in a reactor to produce a hydrocracked product. A kill agent can be introduced to the reactor in an amount sufficient to reduce hydrocracking by at least 10% therein. In some examples, the kill agent can include one or more nitrogen-containing compounds, such as ammonia, amines, anilines, ammonia-containing compounds, amine-containing compounds, or, aniline-containing compounds. In some examples, the catalyst can include one or more Group VIII metals (e.g., cobalt, nickel, palladium, iron, alloys thereof), one or more Group VIB metals (e.g., molybdenum, tungsten, alloys thereof, or oxides thereof), and a catalyst support, such as a zeolite. | 09-18-2014 |
20140275673 | Process for producing light olefins and aromatics - A process for producing light olefins and aromatics, which comprises reacting a feedstock by contacting with a catalytic cracking catalyst in at least two reaction zones, wherein the reaction temperature of at least one reaction zone among the reaction zones downstream of the first reaction zone is higher than that of the first reaction zone and its weight hourly space velocity is lower than that of the first reaction zone, separating the spent catalyst from the reaction product vapor, regenerating the separated spent catalyst and returning the regenerated catalyst to the reactor, and separating the reaction product vapor to obtain the desired products, light olefins and aromatics. This process produces maximum light olefins such as propylene, ethylene, etc from heavy feedstocks, wherein the yield of propylene exceeds 20% by weight, and produces aromatics such as toluene, xylene, etc at the same time. | 09-18-2014 |
20140296589 | Process for the Purification of 1,3-Butadiene from an Oxidative Dehydrogenation Process - A process is presented for the purification of 1,3 butadiene. The process is for treating a butadiene stream from an oxidative dehydrogenation unit, where a butane stream is dehydrogenated, generating a butadiene rich stream. The butadiene rich stream is fractionated and passed through a butadiene recovery unit. Additional C4 compounds recovered from the fractionation bottoms stream are further processed for increasing yields of butadiene. | 10-02-2014 |
20140371499 | Dealkylation Process - In a process for dealkylating a poly-alkylated aromatic compound, a feed comprising at least one poly-alkylated aromatic compound selected from polypropylbenzene, polybutylbenzene, and polycyclohexylbenzene is introduced into a reaction zone. The feed is then contacted in the reaction zone with an acid catalyst under conditions effective to dealkylate at least a portion of the poly-alkylated aromatic compound and produce a first reaction product comprising at least one mono-alkylated aromatic compound. | 12-18-2014 |
20150087872 | Base Oil Upgrading by Co-Feeding a Ketone or Beta-Keto-Ester Feedstock - This invention discloses a process for making high viscosity index lubricating base oils having a viscosity index of at least 110 by co-feeding a ketone or a beta-keto-ester feedstock with a lubricant oil feedstock directly to a hydrocracking unit to produce a hydrocracked stream. Then at least a portion of the hydrocracked stream is treated under hydroisomerization conditions to produce a high viscosity index lubricating base oil. The process may involve bypassing a hydrotreating or hydrofinishing step, which may result in improved efficiency and economics in producing high viscosity index lubricating base oils. | 03-26-2015 |
20150119614 | PROCESS FOR PRODUCING DIESEL - A process is disclosed for hydrocracking a primary hydrocarbon feed and a diesel co-feed in a hydrocracking unit and hydrotreating a diesel product from the hydrocracking unit in a hydrotreating unit. The diesel stream fed through the hydrocracking unit is pretreated to reduce sulfur and ammonia and can be upgraded with noble metal catalyst. | 04-30-2015 |
20150141717 | HYDROCRACKING PROCESS FOR A HYDROCARBON STREAM - A process for transalkylating a coal tar stream is described. A coal tar stream is provided, and is fractionated to provide at least one hydrocarbon stream having polycyclic aromatics. The hydrocarbon stream is hydrotreated in a hydrotreating zone, and then hydrocracked in a hydrocracking zone. A light aromatics stream is added to the hydrocracking zone. The light aromatics stream comprises one or more light aromatics having a ratio of methyl/aromatic available position that is lower than a ratio of methyl/aromatic available position for the hydrotreated stream. The hydrocracked stream is transalkylated in the hydrocracking zone. | 05-21-2015 |
20160168491 | CONVERTING ETHANE TO LIQUID FUELS AND CHEMICALS | 06-16-2016 |