Class / Patent application number | Description | Number of patent applications / Date published |
585415000 | Product compound has more C atoms than feed compound, e.g., cyclic polymerization, etc. | 46 |
20090209794 | PROCESS FOR THE CONVERSION OF ETHANE TO AROMATIC HYDROCARBONS - A process for producing aromatic hydrocarbons which comprises (a) contacting ethane with a dehyroaromatization aromatic catalyst which is comprised of about 0.005 to about 0.1 wt % platinum, an amount of gallium which is equal to or greater than the amount of the platinum, from about 10 to about 99.9 wt % of an aluminosilicate, and a binder, and (b) separating methane, hydrogen, and C | 08-20-2009 |
20100022811 | SELECTIVE CATALYTIC CRACKING PROCESS OF NATURAL GAS LIQUID FRACTION TO LIGHT OLEFINS AND OTHER PRODUCTS - A selective catalytic cracking process of natural gas liquid fraction to light olefins and other products is described, the process includes placing in contact (within a reaction zone) said liquid fraction of natural gas, rich in C | 01-28-2010 |
20100274064 | Removal of Bromine Index Contaminants from Aromatic Streams - According to the invention, trace olefins and dienes are removed from aromatic plant feedstocks by contacting the catalyst using conditions outside the ordinary range used for this application today. | 10-28-2010 |
20110077441 | Production of Aromatics From Methane - A catalyst for the conversion of methane to higher hydrocarbons including aromatic hydrocarbons comprises particles of a porous refractory material, crystals of a zeolite material grown within the pores of the refractory material, and at least one catalytically active metal or metal compound associated with the zeolite crystals. | 03-31-2011 |
20110160508 | PRODUCTION OF AROMATICS FROM METHANE - A catalytic composition and method for methane dehydroaromatisation, the catalytic composition comprising a catalyst metal active for methane dehydroaromatisation, a zeolite having pores with diameters of at least 10 non-oxygen frame-work atoms, and silicon carbide, and in which the method comprises contacting a methane-containing feedstock with said catalytic composition to produce one or more aromatic compounds and hydrogen. | 06-30-2011 |
20110301394 | PROCESS FOR THE CONVERSION OF LOWER ALKANES TO AROMATIC HYDROCARBONS - A process is provided for producing aromatic hydrocarbons which comprises: (a) contacting a lower alkane feed with a solid particulate aromatic hydrocarbon conversion catalyst in a fixed bed reaction zone to produce aromatic hydrocarbons and other products, whereby the catalyst is at least partially deactivated by the formation of undesirable coke deposits, (b) periodically regenerating the catalyst under regeneration conditions, (c) separating aromatic hydrocarbons from the other products and unreacted lower alkanes, and (d) optionally recycling unreacted lower alkanes to the reaction zone wherein the fixed bed reaction zone additionally comprises a volume of a catalytically inactive solid. | 12-08-2011 |
20120004482 | METHOD FOR REACTING NATURAL GAS TO AROMATICS WHILE ELECTROCHEMICALLY REMOVING HYDROGEN AND ELECTROCHEMICALLY REACTING THE HYDROGEN WATER - The invention relates to a process for converting aliphatic hydrocarbons having from 1 to 4 carbon atoms into aromatic hydrocarbons, which comprises the steps:
| 01-05-2012 |
20120022309 | METHOD FOR PRODUCING AROMATIC HYDROCARBON - [Object] To produce aromatic hydrocarbon stably for a long time maintaining a high aromatic hydrocarbon yield when the aromatic hydrocarbon is produced upon making a contact reaction between lower hydrocarbon and a catalyst. | 01-26-2012 |
20120022310 | PROCESS FOR PREPARING AROMATICS FROM METHANE - The present invention relates to a process for carrying out endothermic, heterogeneously catalyzed reactions in which the reaction of the starting materials is carried out in the presence of a mixture of inert heat transfer particles and catalyst particles, where the catalyst particles are regenerated in a nonoxidative atmosphere at regular intervals and the heat of reaction required is introduced by separating off the inert heat transfer particles, heating the heat transfer particles in a heating zone and recirculating the heated heat transfer particles to the reaction zone. The process of the invention is particularly suitable for the nonoxidative dehydroaromatization of C | 01-26-2012 |
20120083637 | Regeneration of Metal-Containing Catalysts - In a process for the regeneration of a coked metal-containing catalyst, the coked catalyst is contacted in a regeneration zone with an atmosphere which contains carbon dioxide and carbon monoxide at a temperature of at least 400° C. | 04-05-2012 |
20120157735 | SUPPORTED MESOPOROUS AND MICROPOROUS MATERIAL, AND PROCESS FOR PRODUCING THE SAME - A process for producing a supported mesoporous and microporous material, comprises contacting a support with a template to produce a supported template, and contacting the supported template with one or more microporous material precursor to produce a supported microporous material-template composite, and subsequently removing the template from the supported microporous material-template composite to produce the supported mesoprous and microporous material. A composition comprising a supported mesoprous and microporous material produced by this process can be used for methane dehydroaromatization. | 06-21-2012 |
20150057480 | Radial Flow Process and Apparatus - A system for radial flow contact of a reactant stream with catalyst particles includes a reactor vessel and a catalyst retainer in the reactor vessel. The catalyst retainer includes an inner particle retention device and an outer particle retention device. The inner particle retention device and the outer particle retention device are spaced apart to define a catalyst retaining space. The inner particle retention device defines an axial flow path of the reactor vessel, and the outer particle retention device and an inner surface of a wall of the reactor vessel define an annular flow path of the reactor vessel. The system includes an inlet nozzle having an exit opening in fluid communication with the axial flow path, and an outlet nozzle in fluid communication with the annular flow path. The system can further include a fluid displacement device in the axial flow path of the reactor vessel. | 02-26-2015 |
20150065772 | Chemical Process for Hydrogen Separation - A process is disclosed for removing hydrogen gas that is produced during a DHA (dehydroaromatization) reaction that is used to produce benzene from methane. The hydrogen gas is reacted with a quantity of an alkali metal to produce an alkali metal hydride, which may be separated out from the benzene and any unreacted methane. This removal of the hydrogen gas “drives” the reaction to produce more benzene, thereby increasing the theoretical yield of the DHA reaction. | 03-05-2015 |
585417000 | Using transition metal-containing catalyst | 33 |
20090030253 | Production of Aromatics from Aliphatics - In a process for converting a low carbon number aliphatic hydrocarbon to higher hydrocarbons including aromatic hydrocarbons, a feed containing the aliphatic hydrocarbon is contacted with a dehydrocyclization catalyst under conditions effective to convert the aliphatic hydrocarbon to aromatic hydrocarbons and produce an effluent stream comprising aromatic hydrocarbons and hydrogen. The dehydrocyclization catalyst comprises a metal or metal compound and a molecular sieve wherein the ratio of the amount of any Bronsted acid sites in the catalyst to the amount of said metal in the catalyst is less than 0.4 mol/mol of said metal. | 01-29-2009 |
20090209795 | PROCESS FOR THE CONVERSION OF ETHANE TO AROMATIC HYDROCARBONS - A process for producing aromatic hydrocarbons which comprises (a) contacting ethane with a dehyroaromatization aromatic catalyst which is comprised of about 0.005 to about 0.1 % wt platinum, an amount of an attenuating metal which is no more than about 0.02 % wt less than the amount of platinum, from about 10 to about 99.9 % wt of an aluminosilicate, and a binder, and (b) separating methane, hydrogen, and C | 08-20-2009 |
20100048969 | PROCESS FOR THE CONVERSION OF LOWER ALKANES TO AROMATIC HYDROCARBONS - A process for producing aromatic hydrocarbons which comprises (a) contacting one or more lower alkanes with a dehydroaromatization aromatic catalyst which is comprised of 0.005 to 0.1% wt platinum, not more than 0.2% wt of an amount of an attenuating metal wherein the amount of platinum is not more than about 0.02% wt more than the amount of the attenuating metal, from about 10 to about 99.9% wt of an aluminosilicate, and a binder, and (b) separating methane, hydrogen, and C | 02-25-2010 |
20110021853 | PROCESS FOR THE CONVERSION OF ETHANE TO AROMATIC HYDROCARBONS - A process for producing aromatic hydrocarbons which comprises (a) contacting ethane with a dehyroaromatization aromatic catalyst which is comprised of 0.005 to 0.1% wt platinum, an amount of iron which is equal to or greater than the amount of the platinum, from 10 to 99.9% wt of an aluminosilicate, and a binder, and (b) separating methane, hydrogen, and C | 01-27-2011 |
20110054232 | Production of Aromatics from Methane - A catalyst for the conversion of methane to higher hydrocarbons including aromatic hydrocarbons comprises molybdenum or a compound thereof dispersed on an aluminosilicate zeolite, wherein the amount of aluminum present as aluminum molybdate in the catalyst is less than 2700 ppm by weight. | 03-03-2011 |
20110124933 | CATALYST FOR THE DEHYDROAROMATISATION OF METHANE AND MIXTURES CONTAINING METHANE - The present invention relates to a catalyst for dehydroaromatizing C | 05-26-2011 |
20110130606 | PROCESS FOR OBTAINING BENZENE, TOLUENE (AND NAPHTHALENE) FROM C1-C4-ALKANES WITH CO-DOSAGE OF HYDROGEN OF A SEPERATE LOCATION - The present invention relates to a process for nonoxidatively dehydroaromatizing a reactant stream comprising C | 06-02-2011 |
20110172478 | CATALYST FOR AROMATIZATION OF LOWER HYDROCARBON, AND PROCESS FOR PRODUCTION OF AROMATIC COMPOUND - [Object] To improve the yield of aromatic hydrocarbon and the stability of active life in a process for producing aromatic compound by using a lower hydrocarbon aromatization catalyst. | 07-14-2011 |
20120108875 | ZEOLITE CATALYST WITH DEPOSITED GERMANIUM, ALUMINUM AND PLATINUM FOR AROMATIZATION OF ALKANES, PROCESS OF MAKING AND PROCESS OF USING THEREOF - The present invention is for a catalyst, a process for making the catalyst and a process for using the catalyst in aromatization of alkanes having three to five carbon atoms per molecule, such as propane, to aromatics, such as benzene, toluene and xylene. The catalyst is an aluminum-silicon zeolite having a silicon to aluminum atomic ratio (Si:Al) greater than 15:1, such as MFI or ZSM-5, on which germanium, aluminum and a noble metal, such as platinum, have been deposited. The catalyst may be bound with magnesia, alumina, titania, zirconia, thoria, silica, boria or mixtures thereof. The aluminum and germanium may be deposited simultaneously on the zeolite. | 05-03-2012 |
20120123176 | METHANE AROMATIZATION CATALYST, METHOD OF MAKING AND METHOD OF USING THE CATALYST - A catalyst for converting methane to aromatic hydrocarbons is described herein. The catalyst comprises an active metal or a compound thereof, and an inorganic oxide support wherein the active metal is added to the support in the form of metal oxalate. The metal oxalate-derived catalyst exhibits superior performance in the conversion of methane-rich feed to aromatics products relative to catalysts prepared from non-oxalate metal precursors. A method of making the catalyst and a method of using the catalyst are also described. | 05-17-2012 |
20130012747 | METHOD OF MANUFACTURE OF AROMATIC COMPOUND - In manufacturing aromatic hydrocarbons by causing a contact reaction between a lower hydrocarbon and a catalyst, the aromatic hydrocarbons are stably produced over a long period of time while maintaining high aromatic hydrocarbon yields. The process includes a reaction process of initiating the contact reaction between the lower hydrocarbon and the catalyst thereby obtaining the aromatic hydrocarbons and hydrogen, and a regeneration process of regenerating the catalytic activity by bringing hydrogen into contact with the catalyst used in the reaction process. The reaction process and the regeneration process are repeated thereby producing the aromatic hydrocarbons and hydrogen. In the reaction process, carbon monoxide is added to the lower hydrocarbons and additionally a reaction temperature is set at higher than 800° C. | 01-10-2013 |
20130116493 | AROMATIZATION OF METHANE WITH COMBINATION OF CATALYSTS - A heated reaction gas comprising methane is contacted with first and second catalysts to catalyze production of an aromatic hydrocarbon. The first catalyst is more active than the second catalyst for catalyzing aromatization of methane, and the second catalyst is more active than the first catalyst for catalyzing aromatization of ethane. A reactor for producing aromatic hydrocarbons from the reaction gas may have a conduit defining a reaction zone for the reaction gas to react therein, and the first and second catalysts may be disposed in the reaction zone. | 05-09-2013 |
20130296625 | CATALYST FOR LIGHT NAPHTHA AROMATIZATION - Methods for preparing bound non-acidic germanium zeolite catalysts arc disclosed, where the preparation is reproducible and scalable and where the catalysts have similar or the same activity and selectivities of a standard naphtha aromatization catalyst and methods for aromatizing naphtha. | 11-07-2013 |
20130324778 | CATALYST FOR CONVERSION OF HYDROCARBONS, PROCESS OF MAKING AND PROCESS OF USING THEREOF - This invention is for a catalyst for conversion of hydrocarbons. The catalyst contains a zeolite with one element from Group 13, Group 14, or the first series transition metals and, optionally, germanium and/or aluminum in the zeolite framework. At least one Group 10 metal, such as platinum, is deposited on the zeolite. Examples of the elements in the framework are tin, boron, iron or titanium. The catalyst is prepared by synthesizing a zeolite with one element from Group 13, Group 14, or the first series transition metals and, optionally, germanium and/or aluminum in the zeolite framework; depositing the metal; and calcining after preparation of the zeolite and before or after depositing the metal. The catalyst may be used in a process for the conversion of hydrocarbons, such as propane to aromatics, by contacting the catalyst with alkanes having 2 to 12 carbon atoms per molecule and recovering the product. | 12-05-2013 |
20140039233 | CATALYST COMPOSITION FOR THE PRODUCTION OF AROMATIC HYDROCARBONS - A catalyst composition suitable for conversion of alkanes having 3 to 12 carbon atoms per molecule to aromatic hydrocarbons, wherein the catalyst composition comprises: M | 02-06-2014 |
20140163279 | DEHYDROCYCLODIMERIZATION USING UZM-44 ALUMINOSILICATE ZEOLITE - A process for dehydrocyclodimerization using a catalytic composite comprising at least one of a new family of aluminosilicate zeolites designated UZM-44 has been developed. These zeolites are represented by the empirical formula. | 06-12-2014 |
20140163280 | CONVERSION OF METHANE TO AROMATIC COMPOUNDS USING 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 |
20140163281 | CONVERSION OF METHANE TO AROMATIC COMPOUNDS USING A CATALYTIC COMPOSITE - A catalyst for the conversion of at least one low carbon number aliphatic hydrocarbon in a feedstream to provide at least one aromatic hydrocarbon, the catalyst comprising a zeolite and a promoter metal M, the zeolite characterized by the retention of greater than 40% of the tetrahedral aluminum sites in the zeolite following calcination of the catalyst in air at 750° C. for 3 hours when compared to the amount of tetrahedral aluminum in the same catalyst after calcination in air at 500° C. for 3 hours. | 06-12-2014 |
20140163282 | CONVERSION OF METHANE TO AROMATIC COMPOUNDS USING UZM-39 ALUMINOSILICATE ZEOLITE - A new family of coherently grown composites of TUN and IMF zeotypes has been synthesized and shown to be effective catalysts in processes for converting at least one aliphatic hydrocarbon having from 1 to about 4 carbon atoms in a feedstream to provide at least one aromatic hydrocarbon. These zeolites are represented by the empirical formula. | 06-12-2014 |
20140171708 | SYSTEM AND PROCESS FOR CONVERTING NATURAL GAS INTO BENZENE - A system and process to produce an aromatic hydrocarbon via catalyzed nonoxidative dehydroaromatization (DHA). The system includes a reaction zone containing a dehydroaromatization catalyst. A reactant feed stream inlet supplies a reactant composition, such as natural gas, to the reaction zone. A heater maintains the reaction zone at a suitable dehydroaromatization temperature. A product stream exit removes the aromatic hydrocarbon produced by the nonoxidative dehydroaromatization of the reactant composition from the reaction zone. A hydrogen separation membrane is disposed between the reaction zone and a hydrogen stream exit to enable continuous and selective removal of hydrogen produced in the reaction zone. A hydrogen recycle stream diverts a portion of hydrogen from the hydrogen stream exit and adds the portion of hydrogen to the reactant composition supplied to the reaction zone. The hydrogen may also be used to regenerate the dehydroaromatization catalyst. | 06-19-2014 |
20140235911 | CATALYST FOR THE PREPARATION OF AROMATIC HYDROCARBONS AND USE THEREOF - The present invention relates to catalyst composition comprising lanthanum and gallium containing zeolite and lanthanum modified binder, wherein said lanthanum and gallium containing zeolite comprises about 0.01-0.1 wt-% lanthanum and wherein said lanthanum modified binder comprises about 0.5-2 wt-% lanthanum. Furthermore, the present invention relates to a method for preparing the catalyst composition of the present invention and a process for producing aromatic hydrocarbons comprising contacting a feedstream comprising lower alkanes with the catalyst composition of the present invention under conditions suitable for alkane aromatization. | 08-21-2014 |
20140309469 | PROCESS FOR THE PRODUCTION OF GASOLINE BLENDING COMPONENTS AND AROMATIC HYDROCARBONS FROM LOWER ALKANES - An integrated process for producing gasoline blending components and aromatic hydrocarbons which comprises: (a) contacting a lower alkane feed with an aromatic hydrocarbon conversion catalyst to produce an aromatic reaction product mixture which is comprised of benzene and/or toluene and/or xylene, C | 10-16-2014 |
20140336432 | SYNTHESIS OF OLEFINS FROM OXYGEN-FREE DIRECT CONVERSION OF METHANE AND CATALYSTS THEREOF - The present invention is related to the preparation of a metal lattice-doping catalyst in an amorphous molten state, and the process of catalyzing methane to make olefins, aromatics, and hydrogen using the catalyst under oxygen-free, continuous flowing conditions. Such a process has little coke deposition and realizes atom-economic conversion. Under the conditions encountered in a fixed bed reactor (i.e. reaction temperature: 750˜1200° C.; reaction pressure: atmospheric pressure; the weight hourly space velocity of feed gas: 1000˜30000 ml/g/h; and fixed bed), conversion of methane is 8-50%. The selectivity of olefins is 30˜90%. And selectivity of aromatics is 10˜70%. There is no coking. The reaction process has many advantages, including a long catalyst life (>100 hrs), high stability of redox and hydrothermal properties under high temperature, high selectivity towards target products, zero coke deposition, easy separation of products, good reproducibility, safe and reliable operation, etc., all of which are very desirable for industrial application. | 11-13-2014 |
20150018590 | CATALYST FOR CONVERSION OF HYDROCARBONS, PROCESS OF MAKING AND PROCESS OF USING THEREOF - GE ZEOLITE - In an embodiment a catalyst comprises a medium or large pore zeolite having germanium incorporated into the zeolite framework. The zeolite can have a pore structure that is one dimensional, two dimensional or three dimensional. A metal selected from Group 10 can be deposited on the zeolite. In an embodiment, a process for synthesizing the zeolite comprises preparing a medium pore zeolite containing germanium in the framework of the zeolite and calcining the zeolite. In an embodiment, the catalyst can be used in a process for the conversion of hydrocarbons comprising contacting a hydrocarbon stream containing alkanes, olefins, or mixtures thereof having 2 to 12 carbon atoms per molecule with the catalyst and recovering the product. | 01-15-2015 |
20150073189 | HIGH TEMPERATURE CCR PROCESS WITH INTEGRATED REACTOR BYPASSES - A process is presented for increasing the aromatics content in a reformate process stream. The process modifies existing processes to change the operation without changing the reactors or heating units. The process includes bypasses to utilize heating capacity of upstream heating units, and passes the excess capacity of the upstream heating units to downstream process streams. | 03-12-2015 |
20150099914 | PROCESS FOR THE AROMATIZATION OF A METHANE-CONTAINING GAS STREAM - A process for the aromatization of a methane-containing gas stream comprising: contacting the methane-containing gas stream in a reactor with a fluidized bed comprising an aromatization catalyst and a hydrogen acceptor under methane-containing gas aromatization conditions to produce a product stream comprising aromatics and hydrogen wherein the hydrogen is, at least in part, bound by the hydrogen acceptor in the reaction zone and removed from the product and the reaction zone. | 04-09-2015 |
20150321182 | A DEHYDROAROMATIZATION CATALYST, METHOD OF MAKING AND USE THEREOF - A catalyst for the dehydroaromatization of lower alkanes comprising boron in an amount of less than 1 wt % is supported on an inorganic support. The catalyst is useful in the production of aromatics from lower alkanes. | 11-12-2015 |
20150353446 | PASSIVATION OF A ZEOLITE CATALYST IN A FLUIDIZED BED - Process for producing a passivated catalyst comprising a zeolite and at least one active metal, wherein
| 12-10-2015 |
20160023962 | Process and Catalyst for Methane Conversion to Aromatics - A process and catalyst for use therein for the production of aromatics via the oxidative coupling of methane and methane co-aromatization with higher hydrocarbons in a single reaction stage. First, methane is partially converted to ethane and ethylene on an OCM catalyst component, and the OCM intermediate mixture containing methane, ethane and ethylene is subsequently converted into aromatics on an aromatization catalyst component. The reaction may be conducted at 550-850° C. and at about 50 psig. The claimed process and catalyst used therein achieves high methane conversion at lower temperatures (less than 800° C.), higher methane conversion into the aromatic products and significant reductions in production cost when compared to the traditional two (or more) step processes. | 01-28-2016 |
20160083314 | AROMATIZATION OF METHANE WITH COMBINATION OF CATALYSTS - A heated reaction gas comprising methane is contacted with first and second catalysts to catalyze production of an aromatic hydrocarbon. The first catalyst is more active than the second catalyst for catalyzing aromatization of methane, and the second catalyst is more active than the first catalyst for catalyzing aromatization of ethane. A reactor for producing aromatic hydrocarbons from the reaction gas may have a conduit defining a reaction zone for the reaction gas to react therein, and the first and second catalysts may be disposed in the reaction zone. | 03-24-2016 |
20160096168 | Production of Aromatics from Methane - A catalyst for the conversion of methane to higher hydrocarbons including aromatic hydrocarbons comprises molybdenum or a compound thereof dispersed on an aluminosilicate zeolite, wherein the amount of aluminum present as aluminum molybdate in the catalyst is less than 2700 ppm by weight. | 04-07-2016 |
20160121314 | PRE-CARBURIZED MOLYBDENUM-MODIFIED ZEOLITE CATALYST AND USE THEREOF FOR THE AROMATIZATION OF LOWER ALKANES - The present invention relates to a method for producing a zeolite catalyst useful for aromatization of a lower alkane, a zeolite catalyst useful for aromatization of a lower alkane obtainable by said method and a process for aromatization of a lower alkane using the zeolite catalyst of the present invention. | 05-05-2016 |
20160176778 | PROCESS FOR CONVERSION OF LIGHT ALIPHATIC HYDROCARBONS TO AROMATICS | 06-23-2016 |