Class / Patent application number | Description | Number of patent applications / Date published |
585467000 | Using metal, metal oxide, or hydroxide catalyst | 73 |
20080242907 | Multiphase Alkylaromatics Production - A process for producing a monoalkylated aromatic product in a reactor by reacting a mixed phase mixture of an alkylatable aromatic compound feedstock with another feedstock comprising alkene component in a reaction zone containing an alkylation catalyst. An effluent comprising the monoalkylated aromatic product and polyalkylated aromatic compounds exits from the reaction zone in liquid phase. The polyalkylated aromatic compounds can be separated as feed stream for transalkylation reaction in a transalkylation reaction zone. | 10-02-2008 |
20080249344 | PROCESS FOR CRACKING AN OLEFIN-RICH HYDROCARBON FEEDSTOCK - A process for cracking an olefin-containing hydrocarbon feedstock which is selective towards light olefins in the effluent, the process comprising passing a hydrocarbon feedstock containing one or more olefins through a moving bed reactor containing a crystalline silicate catalyst selected from an MFI-type crystalline silicate having a silicon/aluminium atomic ratio of at least 180 and an MEL-type crystalline silicate having a silicon/aluminium atomic ration of from 150 to 800 which has been subjected to a steaming step, at an inlet temperature of from 500 to 600° C., at an olefin partial pressure of from 0.1 to 2 bars and the feedstock being passed over the catalyst at an LHSV of from 5 to 30 h | 10-09-2008 |
20080287720 | Alkylaromatics Production - A process for alkylation of an alkylatable aromatic compound to produce a monoalkylated aromatic compound, comprising the steps of: (a) providing at least one reaction zone having a water content with at least one alkylation catalyst having an activity and a selectivity for said monoalkylated benzene, said alkylation catalyst comprising a porous crystalline molecular sieve of a MCM-22 family material, said MCM-22 family material is characterized by having an X-ray diffraction pattern including d-spacing maxima at 12.4±0.25, 3.57±0.07 and 3.42±0.07 Angstroms; (b) supplying the reaction zone with at least one alkylatable aromatic compound and at least one alkylating agent; (c) operating the reaction zone under suitable alkylation or transalkylation conditions, to produce at least one effluent which comprises a monoalkylated aromatic compound and a polyalkylated aromatic compound(s); (d) monitoring the amount of the monoalkylated aromatic compound or the amount of the polyalkylated aromatic compound(s) in the effluent; (e) adjusting the water content in the reaction zone to secure a desired amount of the monalkylated aromatic compound or the polyalkylated aromatic compound(s) in the effluent, the water content in the reaction zone being in a range from about 1 wppm to about 900 wppm; and wherein the polyalkylated aromatic compound(s) produced is reduced as compared to the reaction zone having a water content of about 0 wppm when the reaction zone is operated under equivalent conditions. | 11-20-2008 |
20090023969 | COATED CATALYST FOR AROMATIC ALKYLATION - A catalyst useful for multi-phase reactors that includes an active component surrounded by a coating on a surface of the active component, wherein the coating provides a liquid film around the active component to increase the useful life of the active component as compared to an uncoated active component. | 01-22-2009 |
20090099399 | Layered Zeolitic Catalyst for Improved Linearity in Detergent Alkylation - A process is disclosed wherein a layered catalyst is used for the alkylation of benzene with a substantially linear olefin. The layered catalyst allows for shifting the operating conditions to increase the alkylation of benzene, while reducing the amount of isomerization of the alkyl group. This is important for increasing the quality of the alkylbenzene by increasing the linearity of the alkylbenzene. | 04-16-2009 |
20090209796 | Heteropolyacid salt catalyst, process for producing heteropolyacid salt catalyst and process for producing alkyl aromatic compound - The present invention provides a heteropolyacid salt catalyst for use in an alkylation reaction of an aromatic compound or a transalkylation, disproportionation or isomerization reaction of an alkyl aromatic compound, which comprises a heteropolyacid salt catalyst represented by the following formula (1): | 08-20-2009 |
20100022812 | PROCESS FOR PRODUCING ALKYLATED AROMATIC COMPOUND AND PROCESS FOR PRODUCING PHENOL - The present invention provides an industrially practical process where a ketone and an aromatic compound are directly reacted to obtain a corresponding alkylated aromatic compound in a single reaction step. The process for producing an alkylated aromatic compound is characterized in that it comprises reacting an aromatic compound, a ketone and hydrogen in the presence of a solid acid substance and a catalyst composition comprising at least one metal selected from the group consisting of Co, Re, Ni and a platinum group metal. | 01-28-2010 |
20100036184 | Catalyst Composition and Its Use Thereof in Aromatics Alkylation - This disclosure relates to a catalyst composition comprising (a) a crystalline MCM-49 molecular sieve; and (b) a binder comprising at least 1 wt. % of a titanium compound. In one aspect of this disclosure, the titanium compound comprises at least one of titanium oxide, titanium hydroxide, titanium sulfate, titanium phosphate, or any combination thereof. In another aspect of this disclosure, the catalyst composition further comprises a crystalline MCM-22 family molecular sieve comprising at least one of MCM-22, MCM-36, MCM-49, MCM-56, ITQ-1, ITQ-2, ITQ-30, PSH-3, ERB-1, SSZ-25, or any combination thereof. In other embodiments, this disclosure relates to a process for preparing the catalyst composition of this disclosure, the process comprises (a) providing the crystalline MCM-49 molecular sieve and the binder comprising at least 1 wt. % of a titanium compound to form a mixture; and (b) forming the mixture into the catalyst composition. In a preferred embodiment, the forming step comprises extruding. In yet other embodiments, this disclosure discloses a process for alkylating an aromatic hydrocarbon with an alkylating agent to produce an alkylated aromatic product by contacting the aromatic hydrocarbon and the alkylating agent with the catalyst composition. | 02-11-2010 |
20100081856 | Process for Ethylbenzene Production - A method of producing an alkylaromatic by the alkylation of an aromatic with an alkylating agent, such as producing ethylbenzene by an alkylation reaction of benzene, is disclosed. The method includes using an H-beta catalyst to minimize process upsets due to alkylation catalyst deactivation and the resulting catalyst regeneration or replacement. The H-beta catalyst can be used in a preliminary alkylation reactor that is located upstream of the primary alkylation reactor. The H-beta catalyst used in a preliminary alkylation reactor can reduce the deactivation of the catalyst in the primary alkylation reactor. | 04-01-2010 |
20100179359 | CATALYSTS USEFUL FOR THE ALKYLATION OF AROMATIC HYDROCARBONS - A catalyst useful for the alkylation or transalkylation of aromatic compounds is disclosed. The catalyst is an acid-treated zeolitic catalyst produced by a process including contacting an acidic zeolitic catalyst comprising surface non-framework aluminum and framework aluminum with an organic dibasic acid at a catalyst to acid weight ratio in the range from about 2:1 to about 20:1 and at a temperature in the range from about 50° C. to about 100° C. to selectively remove at least a portion of the surface non-framework aluminum. The resulting catalyst may have a measured first-order rate constant, k | 07-15-2010 |
20100249478 | Hydrocarbon Conversion Processes Using the UZM-27 Family of Crystalline Aluminosilicate Compositions - This invention relates to hydrocarbon conversion processes using a new family of crystalline aluminosilicate compositions designated the UZM-27 family. These include the UZM-27 and UZM-27HS which have unique structures. UZM-27 is a microporous composition which has a three-dimensional structure and is obtained by calcining the as synthesized form designated UZM-27P. UZM-27HS is a high silica version of UZM-27 and includes an essentially pure silica version of UZM-27. | 09-30-2010 |
20100280298 | Liquid Phase Alkylation Process - The present invention provides an improved process for conversion of feedstock comprising an alkylatable aromatic compound and an alkylating agent to desired alkylaromatic conversion product under at least partial liquid phase conversion conditions in the presence of specific catalyst comprising a porous crystalline material, e.g., a crystalline aluminosilicate, and binder in the ratio of crystal/binder of from about 20/80 to about 60/40. The porous crystalline material of the catalyst may comprise a crystalline molecular sieve having the structure of Beta, an MCM-22 family material, e.g., MCM-49, or a mixture thereof | 11-04-2010 |
20110021855 | Process for Manufacturing MCM-22 Family Molecular Sieves - A method of manufacturing a molecular sieve of the MCM-22 family, said method comprising the steps of (a) providing a mixture comprising at least one source of ions of tetravalent element, at least one source of alkali metal hydroxide, at least one directing-agent (R), water, and optionally at least one source of ions of trivalent element, said mixture having the following mole composition:
| 01-27-2011 |
20110021856 | Method of Preparing a Molecular Sieve Composition - A method of preparing a crystalline molecular sieve is provided, which method comprises
| 01-27-2011 |
20110028772 | Catalyst Composition, The Method of Manufacturing, and the Process of Use Thereof in Aromatics Alkylation - A catalyst composition comprises a crystalline MCM-22 family molecular sieve and a binder, wherein the catalyst composition is characterized by an extra-molecular sieve porosity greater than or equal to 0.122 ml/g for pores having a pore diameter ranging from about 2 nm to about 8 nm, wherein the porosity is measured by N | 02-03-2011 |
20110034749 | Synthesis and use of ZSM-12 - A process is described for synthesizing a porous, crystalline material having the framework structure of ZSM-12 of the formula: | 02-10-2011 |
20110065972 | Alkylaromatic Production Process - The present disclosure provides a process for selectively producing a desired monoalkylated aromatic compound comprising the step of contacting in a reaction zone an alkylatable aromatic compound with an alkylating agent in the presence of catalyst comprising a porous crystalline material under at least partial liquid phase conditions, said catalyst manufactured from extrudate to comprise catalytic particulate material of from about 125 microns to about 790 microns in size, having an Effectiveness Factor increased from about 25% to about 750% from that of the original extrudate, and having an external surface area to volume ratio of greater than about 79 cm | 03-17-2011 |
20110077443 | Process for Catalyst Regeneration and Extended Use - A method of producing an alkylaromatic by the alkylation of an aromatic with an alkylating agent, such as producing ethylbenzene by an alkylation reaction of benzene, is disclosed. The method includes using an H-beta catalyst to minimize process upsets due to alkylation catalyst deactivation and the resulting catalyst regeneration or replacement. The H-beta catalyst can be used in a preliminary alkylation reactor that is located upstream of the primary alkylation reactor. The H-beta catalyst used in a preliminary alkylation reactor can lead to the reactivation of the catalyst in the primary alkylation reactor. | 03-31-2011 |
20110130609 | Dilute Liquid Phase Alkylation - Methods of forming ethylbenzene are described herein. In one embodiment, the method includes contacting dilute ethylene with benzene in the presence of an alkylation catalyst to form ethylbenzene, wherein such contact occurs in a liquid phase reaction zone and recovering ethylbenzene from the reaction zone. | 06-02-2011 |
20110137099 | Aromatic alkylation process - In a process for the alkylation of aromatic compounds an aromatic compound; an alkylating agent; hydrogen, an inert gas or a mixture there; and steam is contacted with a shape-selective zeolite catalyst in a reactor. Hydrogen, an inert gas or a mixture thereof is introduced into the reactor which is at a temperature of about 200° C., the alkylating agent is introduced into the reactor which is at a temperature of about 480° C. and the aromatic compound may be introduced into the reactor which is at a temperature of about 200° C. or about 480° C. and steam may be introduced into the reactor which is at a temperature of about 200° C. or about 480° C. This process is applicable for toluene methylation with a shape-selective catalyst of an aluminosilicate zeolite, such as ZSM-5 which has been modified with phosphorus, to produce para-xylene (p-xylene). | 06-09-2011 |
20110144403 | Detergent Alkylation Using a Rare Earth Exchanged Catalyst - A process is disclosed using a new catalyst for use in the alkylation of benzene with a substantially linear olefin. The catalyst allows for cation exchange with a rare earth element to increase the alkylation of benzene, while reducing the amount of isomerization of the alkyl group. This is important for increasing the quality of the alkylbenzene by increasing the linearity of the alkylbenzene. | 06-16-2011 |
20110166403 | Alkylaromatic Production Process - The present disclosure provides a process for selectively producing a desired monoalkylated aromatic compound comprising the step of contacting in a reaction zone an alkylatable aromatic compound with an alkylating agent in the presence of catalyst comprising a porous crystalline material under at least partial liquid phase conditions, said catalyst manufactured from extrudate to comprise catalytic particulate material of from about 125 microns to about 790 microns in size, having an Effectiveness Factor increased from about 25% to about 750% from that of the original extrudate, and having an external surface area to volume ratio of greater than about 79 cm | 07-07-2011 |
20110178354 | AROMATIC AKLYLATING AGENT AND AN AROMATIC PRODUCTION APPARATUS - One exemplary embodiment can be a process using an aromatic methylating agent. Generally, the process includes reacting an effective amount of the aromatic methylating agent having at least one of an alkane, a cycloalkane, an alkane radical, and a cycloalkane radical with one or more aromatic compounds. As such, at least one of the one or more aromatic compounds may be converted to one or more higher methyl substituted aromatic compounds to provide a product having a greater mole ratio of methyl to phenyl than a feed. | 07-21-2011 |
20110190560 | Transalkylation of Heavy Aromatic Hydrocarbon Feedstocks - In a process for producing xylene by transalkylation of a C | 08-04-2011 |
20110190561 | Process for Making Crystalline Metallosilicates - The present invention relates to a process for making a crystalline metallosilicate composition comprising crystallites having an inner part (the core) and an outer part (the outer layer or shell) such that:
| 08-04-2011 |
20110207982 | PROCESS FOR ETHYLBENZENE PRODUCTION - A method of producing an alkylaromatic by the alkylation of an aromatic with an alkylating agent, such as producing ethylbenzene by an alkylation reaction of benzene, is disclosed. The method includes using an H-beta catalyst in a preliminary alkylation reactor that is located upstream of the primary alkylation reactor. The H-beta catalyst used in a preliminary alkylation reactor can be regenerated and the regenerated H-beta zeolite catalyst can have a deactivation rate that is no more than 120% of the deactivation rate of a fresh H-beta zeolite catalyst. | 08-25-2011 |
20110245564 | PROCESSES USING UZM-37 ALUMINOSILICATE ZEOLITE - A new family of crystalline aluminosilicate zeolites has been synthesized. These zeolites are represented by the empirical formula. | 10-06-2011 |
20110301397 | PROCESS FOR ALKYLATION OF AROMATIC HYDROCARBONS USING UZM-35 - Alkylation processes such as the alkylation of aromatics, are catalyzed by the UZM-35 family of crystalline aluminosilicate zeolites represented by the empirical formula: | 12-08-2011 |
20120004486 | UZM-45 ALUMINOSILICATE ZEOLITE, METHOD OF PREPARATION AND PROCESSES USING UZM-45 - A new family of crystalline aluminosilicate zeolites has been synthesized designated UZM-45. These zeolites are represented by the empirical formula. | 01-05-2012 |
20120004487 | CATALYST FOR PRODUCING PARA-SUBSTITUTED AROMATIC HYDROCARBON AND METHOD FOR PRODUCING PARA-SUBSTITUTED AROMATIC HYDROCARBON USING THE SAME - This invention relates to a novel catalyst which enables an efficient production of a high-purity para-substituted aromatic hydrocarbon even without conducting isomerization step and/or adsorption separation step, and more particularly to a catalyst for producing a para-substituted aromatic hydrocarbon, which is formed by coating an MFI-type zeolite having an SiO | 01-05-2012 |
20120065444 | Method for Controlling 2-Phenyl Isomer Content of Linear Alkylbenzene and Catalyst Used in the Method - A method for controlling 2-isomer content in linear alkylbenzene obtained by alkylating benzene with olefins and catalyst used in the method. | 03-15-2012 |
20120215046 | Alkylation Process and Catalysts for Use Therein - Disclosed is a method for aromatic conversion that includes contacting an alkene and an aromatic hydrocarbon with a nanocrystalline zeolite catalyst disposed within a reactor under alkylation conditions, wherein the nanocrystalline zeolite catalyst includes at least one zeolitic material and producing a product stream having a monoalkyl aromatic hydrocarbon. | 08-23-2012 |
20130072736 | CATALYST AND METHOD FOR PRODUCING THE SAME AND METHOD FOR PRODUCING PARAXYLENE USING THE SAME - The present invention relates to a novel catalyst which has a molecular sieving effect (or shape selectivity) and has excellent catalytic activity, and particularly to a catalyst which includes a core made of a zeolite particle having a particle size of not more than 10 μm and a zeolite layer covering the core, wherein as measured by X-ray photoelectron spectroscopy, an outermost surface of the catalyst has a silica/alumina molar ratio of not less than 800, the core made of the zeolite particle has an average silica/alumina molar ratio of not more than 300, and the zeolite layer has an aluminum concentration increasing inward from an outer surface of the catalyst. | 03-21-2013 |
20130172649 | SUPPORTED NANO SIZED ZEOLITE CATALYST FOR ALKYLATION REACTIONS - A catalyst containing nanosize zeolite particles supported on a support material for alkylation reactions, such as the alkylation of benzene to form ethylbenzene, and processes using such a catalyst is disclosed. | 07-04-2013 |
20130178678 | METHOD FOR CONTROLLING 2-PHENYL ISOMER CONTENT OF LINEAR ALKYLBENZENE AND CATALYST USED IN THE METHOD - A method for controlling 2-isomer content in linear alkylbenzene obtained by alkylating benzene with olefins and catalyst used in the method. | 07-11-2013 |
20130184508 | Dilute Liquid Phase Alkylation - Methods of forming ethylbenzene are described herein. In one embodiment, the method includes contacting dilute ethylene with benzene in the presence of an alkylation catalyst to form ethylbenzene, wherein such contact occurs in a liquid phase reaction zone and recovering ethylbenzene from the reaction zone. | 07-18-2013 |
20130225890 | Liquid Phase Alkylation Process - The present invention provides a process for producing a monoalkylated aromatic compound comprising the step of contacting an alkylatable aromatic compound with an alkylating agent in the presence of a catalyst composition under effective alkylation conditions, said catalyst composition comprising MCM-56 and a binder, such that the crystal/binder weight ratio in the catalyst composition is from above 20/80 to about 80/20. | 08-29-2013 |
20130231514 | Process for Ethylbenzene Production - A method of producing an alkylaromatic by the alkylation of an aromatic with an alkylating agent, such as producing ethylbenzene by an alkylation reaction of benzene, is disclosed. The method includes using an H-beta catalyst to minimize process upsets due to alkylation catalyst deactivation and the resulting catalyst regeneration or replacement. The H-beta catalyst can be used in a preliminary alkylation reactor that is located upstream of the primary alkylation reactor. The H-beta catalyst used in a preliminary alkylation reactor can reduce the deactivation of the catalyst in the primary alkylation reactor. | 09-05-2013 |
20130237737 | Process for the Purification of Paraxylene - The proposed process uses crystallization technology to purify paraxylene simultaneously of large concentrations of C8 aromatics and also small concentrations of oxygenated species. | 09-12-2013 |
20130253245 | Alkylation Process - The invention relates to the production of paraxylene by an alkylation process that also produces oxygenates. The process is controlled to utilize recycle to minimize said oxygenates. | 09-26-2013 |
20130253246 | Selecting an Improved Catalyst Composition and Hydrocarbon Conversion Process Using Same - The present invention provides a method for selecting an improved catalyst composition comprising a crystalline molecular sieve material having a structure and properties whereby the catalyst composition has at least one active catalytic site with a Mono Alkylation Selectivity Factor (MASF) greater than or equal to 0 kcal/mol±0.5 kcal/mol, and optionally further at least one active catalytic site with an Olefin Oligomerization Suppression Factor (OOSF) greater than or equal to 5 kcal/mol±0.5 kcal/mol. Further, there is provided an improved process for conversion of hydrocarbon feedstock in the presence of said selected catalyst composition. | 09-26-2013 |
20130281754 | METHODS FOR PRODUCING ZEOLITE CATALYSTS AND METHODS FOR PRODUCING ALKYLATED AROMATIC COMPOUNDS USING THE ZEOLITE CATALYSTS - A method for producing a zeolite catalyst includes mixing a zeolite material with a filler material comprising transition phase and alpha alumina, a porosity enhancing agent, and water to produce a paste; mulling the paste; extruding the paste to produce a shaped extrudate; and drying and calcining the shaped extrudate to produce a zeolite catalyst, wherein the zeolite catalyst has a total porosity greater than about 0.60 ml/gm and greater than 15% of a total pore volume of pores in the range from about 550 Å to about 31,000 Å. | 10-24-2013 |
20130303816 | Catalysts with Carbonaceous Material for Improved CUMENE Production and Method of Making and Using Same - A composite catalyst is presented. The composite catalyst comprises a substrate. The substrate comprises a zeolite and an inorganic oxide. The composite further comprises a carbonaceous material disposed on a surface of the substrate. The carbonaceous material comprises greater than about 2.8 weight percent of the composite catalyst. | 11-14-2013 |
20130331627 | PROCESS FOR REDUCING THE BENZENE CONTENT OF GASOLINE BY ALKYLATING BENZENE USING A LOWER OLEFIN IN THE PRESENCE OF A PARAFFINIC DILUENT - A process for reducing the benzene content of gasoline stream, such as a reformate or light naphtha, comprises alkylating the gasoline stream in a reaction zone with an olefin alkylating agent. A paraffinic stream comprising C5 to ClO paraffins is fed to the inlet of the alkylation reaction zone. | 12-12-2013 |
20130345480 | AROMATIC ALKYLATION CATALYST - A aromatic alkylation catalyst, processes for producing the catalyst, and aromatic alkylation processes employing the catalysts are disclosed. The catalyst comprises a UZM-8 zeolite and nitrogen, and the catalyst has a nitrogen to zeolite aluminum molar ratio of at least about 0.015. In an exemplary alkylation process, the catalyst provides improved product yield. | 12-26-2013 |
20140005455 | PROCESS FOR THE CONVERSION OF OXYGENATES TO OLEFINS | 01-02-2014 |
20140005456 | CATALYST COATING AND PROCESS FOR THE CONVERSION OF OXYGENATES TO OLEFINS | 01-02-2014 |
20140005457 | CATALYST AND PROCESS FOR THE CONVERSION OF OXYGENATES TO OLEFINS | 01-02-2014 |
20140058157 | PROCESS FOR INCREASING A MOLE RATIO OF METHYL TO PHENYL - One exemplary embodiment can be a process for increasing a mole ratio of methyl to phenyl of one or more aromatic compounds in a feed. The process can include reacting an effective amount of one or more aromatic compounds and an effective amount of one or more aromatic methylating agents to form a product having a mole ratio of methyl to phenyl of at least about 0.1:1 greater than the feed. | 02-27-2014 |
20140066679 | METHOD OF MAKING DIETHYLBENZENE - The method of making diethylbenzene selectively produces diethylbenzene by reacting ethyibenzene and ethanol over a zeolite catalyst, such as ZSM-5. The zeolite catalyst is first heated in argon gas within a reaction chamber. The zeolite catalyst is then selectively coked with a precursor mixture of ethylbenzene and ethanol. Argon gas is then flowed over the coked zeolite catalyst, and a reaction mixture of ethylbenzene and ethanol is injected into the reaction chamber to produce diethylbenzene, which is then removed from within the reaction chamber. | 03-06-2014 |
20140100402 | Recovery of Olefins from Para-Xylene Process - A process for producing para-xylene, by (a) contacting toluene with methanol in the presence of an alkylation catalyst under conditions effective to produce an alkylation effluent comprising xylenes and a by-product mixture comprising water, dimethyl ether and C | 04-10-2014 |
20140163284 | UZM-44 ALUMINOSILICATE ZEOLITE - A new family of aluminosilicate zeolites designated UZM-44 has been synthesized. These zeolites are represented by the empirical formula. | 06-12-2014 |
20140171711 | METHOD OF MAKING PARA-DIETHYLBENZENE - The method of making para-diethylbenzene selectively produces para-diethylbenzene by reacting ethylbenzene and ethanol over a zeolite catalyst, such as ZSM-5. The zeolite catalyst is first silylated, preferably through multiple silylation. The silylated zeolite catalyst is then partially coked to form a treated catalyst. The treated catalyst is placed in argon gas in a reaction chamber, and the argon gas is flowed over the treated catalyst. A feedstock mixture of ethylbenzene and ethanol in a molar ratio of 1:1 is then injected into the reaction chamber at a temperature of about 300° C. to produce the para-diethylbenzene, which is then removed from the reaction chamber. | 06-19-2014 |
20140171712 | HYDROCARBON PROCESSES USING UZM-43 AN EUO-NES-NON ZEOLITE - A new family of crystalline aluminosilicate zeolites has been synthesized that has been designated UZM-43. These zeolites are similar to previously known ERS-10, SSZ-47 and RUB-35 zeolites but are characterized by unique x-ray diffraction patterns and compositions and have catalytic properties for carrying out various hydrocarbon conversion processes. Catalysts made from these zeolites are useful in hydrocarbon conversion reactions. | 06-19-2014 |
20140221717 | Alkylation of Benzene With a Hydrocarbon Gas - Methods of forming ethylbenzene are described herein. In one embodiment, the method includes contacting dilute ethylene with benzene in the presence of an alkylation catalyst to form ethylbenzene, wherein such contact occurs in a reaction zone containing a gaseous phase and recovering ethylbenzene from the reaction zone. | 08-07-2014 |
20150025287 | UZM-39 ALUMINOSILICATE ZEOLITE - A new family of coherently grown composites of TUN and IMF zeotypes have been synthesized. These zeolites are represented by the empirical formula. | 01-22-2015 |
20150126789 | Delaminated Zeolite Catalyzed Aromatic Alkylation - Provided is a method of alkylating an aromatic compound comprising contacting an aromatic compound and an alkylating agent in the presence of UCB-3 as a catalyst under reaction conditions suitable for aromatic alkylation. The aromatic compound preferably comprises benzene or toluene and the alkylation agent preferably comprises an olefin or alcohol. Lower temperature ranges can be used for the reaction, for example in the range of from 100 to 300° C. | 05-07-2015 |
20150344384 | METHOD FOR THE SELECTIVE PRODUCTION OF PARA-DIALKYLBENZENES - A method is disclosed for selective simultaneous production of para-xylene, para-ethyltoluene and para-diethylbenzene from a reactant stream containing ethylbenzene and methanol, as an alkylating agent. The process comprises alkylation of the feedstock in a fluidized-bed rector under alkylating conditions, over a modified ZSM-5-based catalyst to produce streams containing above 95% para-isomers of dialkylbenzenes. The method also includes the steps of multilayer silylation to achieve simultaneous selectivity of the para-isomers of dialkylbenzenes. | 12-03-2015 |
20160038928 | Treatment of Aromatic Alkylation Catalysts - The present disclosure relates to a method for treating a catalyst that is useful for producing mono-alkylaromatic compounds, the method comprises the steps of (a) contacting the untreated catalyst with water to produce water-contacted catalyst, and (b) drying the water-contacted catalyst with a drying gas without steam being formed at a temperature of less than 300° C. to produce a treated catalyst. The treatment is effective to improve the activity and catalyst selectivity. A process for producing a mono-alkylaromatic compound comprising such a catalyst treatment is also disclosed. | 02-11-2016 |
20160038929 | Regeneration of Aromatic Alkylation Catalyst Using Ozone - The present disclosure relates to a method of regenerating an at least partially deactivated catalyst, preferably an aromatic alkylation or transalkylation catalyst, comprising a molecular sieve. The method comprises the step of contacting the deactivated catalyst with an ozone-containing gas, preferably at a temperature of about 50° C. to about 250° C. | 02-11-2016 |
20160090338 | METHODS FOR PRODUCING ALKYLAROMATICS - Disclosed is a method for process for transalkylation of aromatic compounds comprising introducing a feed stream comprising aromatic hydrocarbon compounds to the transalkylation zone; introducing a water source to the transalkylation zone; contacting the feed stream with a zeolitic transalkylation catalyst; and producing an ethylbenzene product stream. This method increases ethylbenzene yield while improving the selectivity of the catalyst. | 03-31-2016 |
20160129429 | METHOD OF PRODUCING ZEOLITE ENCAPSULATED NANOPARTICLES - The invention therefore relates to a method for producing zeolite, zeolite-like or zeotype encapsulated metal nanoparticles, the method comprises the steps of: 1) Adding one or more metal precursors to a silica or alumina source; 2) Reducing the one or more metal precursors to form metal nanoparticles on the surface of the silica or alumina source; 3) Passing a gaseous hydrocarbon, alkyl alcohol or alkyl ether over the silica or alumina supported metal nanoparticles to form a carbon template coated zeolite, zeolite-like or zeotype precursor composition; 4a) Adding a structure directing agent to the carbon template coated zeolite, zeolite-like or zeotype precursor composition thereby creating a zeolite, zeolite-like or zeotype gel composition; 4b) Crystallising the zeolite, zeolite-like or zeotype gel composition by subjecting said composition to a hydrothermal treatment; 5) Removing the carbon template and structure directing agent and isolating the resulting zeolite, zeolite-like or zeotype encapsulated metal nanoparticles. | 05-12-2016 |
20160137516 | METHOD FOR PRODUCING ZEOLITES AND ZEOTYPES - The invention relates to a method for producing zeolite, zeolite-like or zeotype particles comprising the steps of: 1) Adding one or more metal precursors to a silica or alumina source; 2) Reducing the one or more metal precursors to form metal nanoparticles on the surface of the silica or alumina source; 3) Passing a gaseous hydrocarbon, alkyl alcohol or alkyl ether over the silica or alumina supported metal nanoparticle to form a carbon template coated zeolite, zeolite-like or zeotype precursor composition; 4a) Adding a structure directing agent to the carbon template coated zeolite, zeolite-like or zeotype precursor composition thereby creating a zeolite, zeolite-like or zeotype gel composition; 4b) Crystallising the zeolite, zeolite-like or zeotype gel composition by subjecting said composition to a hydrothermal treatment; 5) Removing the carbon template and structure directing agent and isolating the resulting zeolite, zeolite-like or zeotype particles. | 05-19-2016 |
20160176786 | Sulfiding Process for Aromatic Transalkylations | 06-23-2016 |
20170233308 | METHOD OF PREPARING A MODIFIED ZEOLITE CATALYST AND PREPARING ETHYLBENZENE USING ONE CYCLE PROCESS | 08-17-2017 |
585468000 | Noncrystalline, and containing Al and Si | 8 |
20090177021 | Aromatic Transalkylation Using A Modifed LZ-210 Zeolite - A process for converting polyalkylaromatics to monoalkylaromatics, particularly cumene, in the presence of a modified LZ-210 zeolite catalyst is disclosed. The process attains greater selectivity, reduced formation of undesired byproducts, and increased activity. | 07-09-2009 |
20100160704 | ALKYLATION OF AROMATICS WITH HIGH ACTIVITY CATALYST - A process for the alkylation of aromatics such as benzene with olefins such as cumene and ethylbenzene and in a reaction zone containing high activity UZM-8 catalysts. The process is carried out at a high weight hourly space velocity (WHSV) while still achieving complete olefin conversion in the reaction zone. | 06-24-2010 |
20110178355 | Method for Preparing Linear Alpha-Olefins with Removal of Aromatic By-Products and Reactor System Therefor - The present invention relates to a method and a reactor system for preparing linear alpha-olefins by oligomerization of ethylene in the presence of an organic solvent and an oligomerization catalyst, wherein a product fraction of C | 07-21-2011 |
20110270007 | Catalyst with an Ion-Modified Binder - An alkylation catalyst having a zeolite catalyst component and a binder component providing mechanical support for the zeolite catalyst component is disclosed. The binder component is an ion-modified binder that can include metal ions selected from the group consisting of Co, Mn, Ti, Zr, V, Nb, K, Cs, Ga, B, P, Rb, Ag, Na, Cu, Mg, Fe, Mo, Ce, and combinations thereof. The metal ions reduce the number of acid sites on the zeolite catalyst component. The metal ions can range from 0.1 to 50 wt % based on the total weight of the ion-modified binder. Optionally, the ion-modified binder is present in amounts ranging from 1 to 80 wt % based on the total weight of the catalyst. | 11-03-2011 |
20110306813 | Dilute Ethylene Alkylation of Benzene - Methods of forming ethylbenzene are described herein. In one embodiment, the method includes contacting dilute ethylene with benzene in the presence of an alkylation catalyst to form ethylbenzene, wherein such contact occurs in a reaction zone containing a gaseous phase and recovering ethylbenzene from the reaction zone. | 12-15-2011 |
20120083638 | PROCESSES FOR TRANSALKYLATING AROMATIC HYDROCARBONS AND CONVERTING OLEFINS - A process for aromatic transalkylation and olefin reduction of a feed stream is disclosed. Transalkylation conditions produce xylenes and reduced olefins in the feed. The process may be used in a xylene production facility to minimize or avoid the necessity of feedstock pretreatment such as hydrotreating, hydrogenation, or treating with clay and/or molecular sieves. | 04-05-2012 |
20130046123 | ITQ-47 MATERIAL, METHOD FOR OBTAINING SAME AND USE THEREOF - The present invention relates to a micro-porous crystalline material that is isostructural with the mineral known as boggsite and to a method for preparing same, said material having composition x X | 02-21-2013 |
20140296599 | Catalyst Comprising a Phosphorous Modified Zeolite and Having Partly an Alpo Structure - A catalyst can include a phosphorus modified zeolite having partly an ALPO structure. The ALPO structure can be determined by a signal between 35-45 ppm in | 10-02-2014 |