Entries |
Document | Title | Date |
20080221227 | Process and Catalyst For Hydrogenation of Carbon Oxides - A process for hydrogenation of carbon oxides comprising contacting a gas mixture containing carbon oxides and of hydrogen with a catalyst comprising bimetallic iron-nickel or iron-cobalt alloys as the active catalytic material supported on a carrier of an oxide. The carrier is preferably formed to have a surface area greater than 20 m | 09-11-2008 |
20080255256 | Promoted Fischer-Tropsch Catalysts - A catalyst composition comprising cobalt as an active catalytic element and a lesser amount of nickel as a promoter supported on a metal oxide support. The support may comprise alumina, silica, silica-alumina, zeolite, zirconia, magnesia or titania. The amount of nickel is preferably less than 50 wt %, relative to the amount of cobalt. | 10-16-2008 |
20080255257 | PROCESS FOR MAKING AN EGG SHELL FT CATALYST - A process for preparing a Fischer-Tropsch catalyst comprising the steps of a) providing a particle having a size of at least 1 mm and having a catalytically active metal homogenously distributed therein, wherein at least 50 wt % of the catalytically active metal is present as divalent oxide or divalent hydroxide; b) treating the particle with formic acid, acetic acid, propionic acid, butyric acid, n-pentanoic acid, hexanoic acid, citric acid, and/or benzoic acid an organic acid for more than 5 minutes; c) washing the catalyst particle; and d) drying the catalyst particle and/or heating the particle to a temperature in the range of 200 to 400° C. | 10-16-2008 |
20080262113 | PROCESS FOR MAKING AN EGG SHELL FT CATALYST - A process for preparing a Fischer-Tropsch catalyst comprising the steps of a) providing a particle comprising a support and having a catalytically active metal homogenously distributed therein, wherein at least 50 wt % of the catalytically active metal is present as divalent oxide or divalent hydroxide; b) treating the particle with a water vapour comprising gas having a relative humidity of at least 80% or with liquid water for at least two hours; and c) drying the catalyst particle. | 10-23-2008 |
20080287556 | Process For the Preparation of Fischer-Tropsch Catalysts With a High Mechanical, Thermal and Chemical Stability - The preparation is described of a Fischer-Tropsch catalytic precursor based on cobalt supported on alumina, optionally containing up to 10% by weight of silica, which comprises: a) treatment of the alumina with a silicon compound selected from those having general formula (I) Si(OR) | 11-20-2008 |
20080293835 | PROCESS FOR DIRECTLY PRODUCING MIXED LINEAR ALPHA-ALCOHOLS HAVING 1 TO 18 CARBON ATOMS FROM SYNTHESIS GAS - The invention provide a process for producing directly mixed linear alpha-alcohols having 1 to 18 carbon atoms from synthesis gas comprising hydrogen and carbon monoxide, comprising the step of reacting hydrogen and carbon monoxide over a catalyst to produce mixed linear alpha-alcohols having 1 to 18 carbon atoms and hydrocarbons having 1 to 25 carbon atoms through Fischer-Tropsch process in one step in a reactor, wherein: the mole ratio of hydrogen to carbon monoxide is within the range of 1 to 3; the catalyst is an activated carbon supported cobalt based catalyst; the reactor is a fixed bed reactor, a slurry reactor or a fluid reactor; the reaction is carried out under specific conditions. | 11-27-2008 |
20080293836 | Method for the Recovery of Ruthenium From Used Ruthenium Oxide-Containing Catalysts - The invention relates to a process for recovering ruthenium from a used ruthenium-comprising catalyst which comprises ruthenium as ruthenium oxide on a support material which is sparingly soluble in mineral acid, which comprises the steps:
| 11-27-2008 |
20090005464 | Method for Producing Olefins from Synthesis Gas in a Reaction Column - Process for the synthesis of olefins from synthesis gas in the presence of at least one Fischer-Tropsch catalyst in a reaction column, wherein the synthesis gas is introduced into the reaction column below a zone A of the reaction column and the olefins formed are taken off below the inlet for the synthesis gas. | 01-01-2009 |
20090012189 | Catalyst Bodies for Use in Fischer-Tropsch Reactions - The invention relates to a catalyst body comprising a Fischer-Tropsch catalyst or catalyst precursor and a porous body, said porous body being between 1-50 mm, preferably 1-30 mm in size, the catalyst body having an internal voidage between 50-95%. The invention further relates to a process comprising the steps of: (i) introducing the synthesis gas into the reactor; and (ii) contacting the synthesis gas with a non-stationary catalyst to catalytically convert the synthesis gas at an elevated temperature to obtain the normally gaseous, normally liquid, and optionally normally solid hydrocarbons from synthesis gas; wherein the catalyst of step (ii) is located on a plurality of porous bodies being 1-50 mm in size, preferably 1-30 mm in size, thus forming catalyst bodies, and wherein said catalyst bodies have an external voidage in situ in the reactor between 5-60%, and a porosity within the catalyst bodies between 50-95%. Use of catalyst bodies according to the invention provides an advantageous intermediate balance whereby such catalyst bodies are significantly easier (and therefore less costly) to separate from the products of the slurry reactor, but they are still able to be supported by the slurry, and are therefore still movable within the reactor vessel so as to seek the most even catalytic transfer and heat transfer, but without being fixed. | 01-08-2009 |
20090023822 | Method for activating and regenerating catalyst for a fischer-tropsch synthesis reaction - A system and process to activate, regenerate and use a Fischer-Tropsch catalyst at Fisher-Tropsch vessel reaction temperatures from about 100° C. to about 300° C. | 01-22-2009 |
20090036558 | Modified catalyst and use of this catalyst for the conversion of synthesis gas to hydrocarbons - The present invention relates to a process for the conversion of synthesis gas to hydrocarbons in the presence of a modified supporter Fischer-Tropsch catalyst composition. | 02-05-2009 |
20090042998 | CATALYST FOR METHANATION OF CARBON OXIDES, PREPARATION METHOD OF THE CATALYST AND PROCESS FOR THE METHANATION - Disclosed is a catalyst for methanation reaction producing methane with high conversion by reaction of hydrogen with carbon dioxide, or a gas mixture of carbon dioxide and carbon monoxide, or a gas mixture containing these compounds as the main components. The catalyst is prepared by the steps of mixing (A) aqueous zirconia sol with salts of (B) stabilizing element(s), which is selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Gd, Dy, Ca and Mg, and (C) iron group element(s), drying and calcining the mixture to obtain a catalyst precursor, and subsequent reduction of the precursor. The catalyst comprises, by atomic %, A: 18-70%, B: 1-20% and C: 25-80% based on the elemental states of the metals. The catalyst is characterized by multiple oxide of tetragonal zirconia structure, in which not only the stabilizing element(s) but also a part of the iron group element(s) is incorporated, and on which the iron group element(s) in the metallic state is supported. | 02-12-2009 |
20090111899 | Cobalt catalyst with improved activity Maintenance - The present invention provides a catalyst comprising a catalytic metal, preferably cobalt, rhenium or mixtures thereof. The catalytic metal is supported on a support comprising a major amount of titania and a minor amount of cobalt aluminate derived from anatase titania. The support also includes a minor amount of titania derived from a titanium chelate. | 04-30-2009 |
20090111900 | Simple low-pressure fischer-tropsch process - A process for combing carbon monoxide and hydrogen to form liquid fuels such as diesels, and/or waxes, in a single pass fixed bed reactor, at an operation pressure less than 200 psig. The reactor uses a catalyst with a metallic cobalt loading greater than 5% by weight and a rhenium loading of less than 2% by weight, on an alumina support. | 04-30-2009 |
20090124713 | Low-pressure Fischer-Tropsch process - A Fischer-Tropsch process for producing diesel fuel or diesel blending stock with a high cetane number, in a concentration of 65-90 wt % at pressures below 200 psia, using a cobalt catalyst with a rehenium and/or ruthenium promoter. The catalyst is a cobalt catalyst with crystallites having an average diameter greater than 16 nanometers, and the resulting hydrocarbon product after a rough flash, contains less than 10 wt % waxes (>C | 05-14-2009 |
20090143493 | CATALYST AND METHOD - A titania catalyst support having a particle size distribution with a first peak at a first particle size and a second peak at a second particle size, wherein the second particle size is at least 50% larger than the first particle size. A method of manufacture is also disclosed. The support and resulting catalyst can be used for catalysing a Fischer-Tropsch reaction. | 06-04-2009 |
20090163608 | Process for making olefin oligomers and alkyl benzenes in the presence of mixed metal oxide catalysts - Provided is a process for oligomerizing n-olefins. The process has the step of reacting (oligomerizing) an amount of one or more n-olefins in the presence of a catalytically effective amount of a two or more metal oxides at a temperature effective to effect oligomerization. The two or more metal oxides are represented by the formula MO | 06-25-2009 |
20090197981 | FISCHER-TROPSCH CATALYST - The present invention is directed to a catalyst suitable for catalyzing a Fischer-Tropsch reaction, said catalyst comprising cobalt metal supported on zinc-oxide and having the following particle size distribution by volume: <10% having a particle size below 1 micron, 70-99% having a particle size between 1 and 5 micron, and <20% having a particle size above 5 micron. | 08-06-2009 |
20090221724 | FISCHER-TROPSCH CATALYST - The present invention relates to a catalyst comprising particles of a cobalt and zinc co-precipitate, having a volume average particle size of less than 150 μm. Another aspect of the invention is the use of such a catalyst in a Fischer-Tropsch process. | 09-03-2009 |
20090298958 | Fischer Tropsch Process - The present invention relates to a process for converting synthesis gas to hydrocarbons, in particular to hydrocarbons in the C5-C60 range particularly suitable for use as liquid motor fuels, in a slurry reactor in the presence of a Fischer-Tropsch catalyst comprising cobalt and zinc oxide wherein the Fischer-Tropsch catalyst is activated with a reducing gas consisting of hydrogen and an inert gas at 330 to 400° C. prior to contact with synthesis gas in the slurry reactor. | 12-03-2009 |
20100022670 | Preparation of high activity cobalt catalysts, the catalysts and their use - A method is provided for preparing a supported cobalt-containing catalyst having substantially homogenously dispersed, small cobalt crystallites. The method comprises depositing cobalt nitrate on a support and then heating the support in an oxygen-containing, substantially water-free atmosphere to about 160° C. to form an intermediate decomposition product. This intermediate decomposition product is then calcined and reduced. | 01-28-2010 |
20100029792 | COBALT-BASED CATLAYST FOR FISCHER-TROPSCH SYNTHESIS - The invention relates to a catalyst which can be applied to a method for converting synthesis gas, said catalyst comprising: a) a support made of a solid solution containing at least one first aluminate element with a mixed spinel structure of formula M | 02-04-2010 |
20100093876 | FISCHER-TROPSCH CATALYST - A composition for use as a catalyst or catalyst precursor for the conversion of synthesis gas to hydrocarbons said composition comprises (i) cobalt either as the elemental metal, oxide or a compound thermally decomposable to the elemental metal or oxide and (ii) zinc in the form of the oxide or a compound thermally decomposable to the oxide and (iii) platinum in elemental form or in the form of a compound characterised in that the platinum metal is present in the composition in amount in the range 0.0001 to 1.50% w/w. The compositions show improved activity over a wide temperature range than prior art compositions and also exhibit improved methane selectivity. | 04-15-2010 |
20100160464 | Zeolite Supported Cobalt Hybrid Fischer-Tropsch Catalyst - A method for forming a catalyst for synthesis gas conversion comprises impregnating a zeolite extrudate using a solution, for example, a substantially non-aqueous solution, comprising a cobalt salt to provide an impregnated zeolite extrudate and activating the impregnated zeolite extrudate by a reduction-oxidation-reduction cycle. | 06-24-2010 |
20100168257 | METAL-DOPED NICKEL OXIDES AS CATALYSTS FOR THE METHANATION OF CARBON MONOXIDE - The invention relates to catalysts for the methanation of carbon monoxide, which comprise metal-doped nickel oxide of the composition (in mol %) (M1) | 07-01-2010 |
20100168258 | Preparation of Cobalt-Ruthenium/zeolite fischer-tropsch catalysts - A method for forming a cobalt-containing Fischer-Tropsch catalyst involves precipitating a cobalt oxy-hydroxycarbonate species by turbulent mixing, during which a basic solution collides with an acidic solution comprising cobalt. The method further involves depositing the cobalt oxy-hydroxycarbonate species onto an acidic support to provide a catalyst comprising cobalt and the acidic support. The acidic support comprises a zeolite, a molecular sieve, or combinations thereof. | 07-01-2010 |
20100174002 | Preparation of Cobalt-Ruthenium Fischer-Tropsch Catalysts - A method for forming a cobalt-containing Fischer-Tropsch catalyst involves precipitating a cobalt oxy-hydroxycarbonate species by turbulent mixing, during which a basic solution collides with an acidic solution comprising cobalt. The method further involves depositing the cobalt oxy-hydroxycarbonate species onto a support material to provide a catalyst comprising cobalt and the support material. The support material comprises one or more of alumina, silica, magnesia, titania, zirconia, ceria-zirconia, and magnesium aluminate. | 07-08-2010 |
20100298451 | PROCESS FOR PRODUCING MIDDLE DISTILLATES BY HYDROISMERIZING AND HYDROCRACKING A HEAVY FRACTION FROM A FISCHER-TROPSCH EFFLUENT - The invention describes a process in which the paraffinic effluent derived from a Fischer-Tropsch synthesis unit is separated to obtain a heavy C5+ fraction, said heavy fraction then being hydrogenated in the presence of a hydrogenation catalyst at a temperature in the range 80° C. to 200° C., at a total pressure in the range 0.5 to 6 MPa, at an hourly space velocity in the range 1 to 10 h | 11-25-2010 |
20110009502 | Method for Optimizing the Operation of a Unit for the Synthesis of Hydrocarbons from a Synthesis Gas - The invention concerns a method for optimizing the operation of a reaction section for hydrocarbon synthesis starting from a feed comprising synthesis gas, operated in the presence of a catalyst comprising cobalt. This method comprises the following steps: a) determining the theoretical molar ratio, P | 01-13-2011 |
20110021646 | Fischer-Tropsch Catalyst - The present invention is directed to a catalyst suitable for catalyzing a Fischer-Tropsch reaction, said catalyst comprising cobalt metal supported on zinc-oxide and an amount of zirconium(IV)oxide and/or aluminium oxide of between 0.5 and 2.5 wt. % calculated as metal, based on the weight of the calcined catalyst. | 01-27-2011 |
20110028575 | Catalysts - A process for preparing a cobalt based Fischer-Tropsch synthesis catalyst precursor includes introducing a multi-functional carboxylic acid having the general formula (1) HOOC—C*R | 02-03-2011 |
20110054048 | COBALT CATALYSTS - Catalysts comprising cobalt on a titania support are produced by mixing together particles of a solid titania support and an aqueous solution of cobalt ammine carbonate, and heating to an elevated temperature sufficient to effect decomposition of the cobalt ammine carbonate and precipitation of a cobalt species onto said support. The catalysts are useful in hydrogenation and Fischer-Tropsch reactions. | 03-03-2011 |
20110124750 | ZEOLITE SUPPORTED COBALT HYBRID FISCHER-TROPSCH CATALYST - A method for performing synthesis gas conversion is disclosed which comprises contacting synthesis gas with a hybrid Fischer-Tropsch catalyst formed by impregnating a ZSM-12 zeolite extrudate using a solution, for example, a substantially non-aqueous solution, comprising a cobalt salt and activating the impregnated zeolite extrudate by a reduction-oxidation-reduction cycle. The method results in reduced methane yield and increased yield of liquid hydrocarbons substantially free of solid wax. | 05-26-2011 |
20110124751 | SULFIDED FISCHER-TROPSCH CATALYST - Methods and compositions relate to a Fischer-Tropsch catalyst utilized to convert syngas into paraffins. The catalyst includes a given amount of sulfur content from contact of a catalytic supported metal with sulfur. Subsequent activation of the catalyst prepares the catalyst to be used for conversion of the syngas. The sulfur content maintained in the catalyst after being activated influences selectivity to paraffins over olefins and oxygenates. | 05-26-2011 |
20110144219 | ZEOLITE SUPPORTED COBALT HYBRID FISCHER-TROPSCH CATALYST - A method for forming a catalyst for synthesis gas conversion comprises impregnating a zeolite extrudate using a solution, for example, a substantially non-aqueous solution, comprising a cobalt salt to provide an impregnated zeolite extrudate and activating the impregnated zeolite extrudate by a reduction-oxidation-reduction cycle. | 06-16-2011 |
20110160318 | STACKED CATALYST BED FOR FISCHER-TROPSCH - The present invention pertains to a reactor tube comprising a fixed bed of Fischer-Tropsch catalyst particles, wherein the catalyst particles in 5% to 40% of the fixed bed volume at the upstream end have an average outer surface to volume ratio (S/V) in the range of between 3.0 to 4.5 mm | 06-30-2011 |
20110230574 | METHOD FOR PRODUCING HYDROCARBON-PRODUCING CATALYST, HYDROCARBON-PRODUCING CATALYST, AND METHOD FOR PRODUCING HYDROCARBON - The present invention relates to a method for producing a hydrocarbon-producing catalyst for producing a hydrocarbon from a mixed gas of carbon monoxide and hydrogen and provides a method for producing, with stability and at high productivity, a hydrocarbon-producing catalyst with which the rate of conversion of carbon monoxide to hydrocarbon is high, the methane selectivity is low, the high activity can be maintained over a long period, the desorption of the active metal is unlikely to occur, and the durability is excellent. The method includes a precursor film forming step of putting a sol solution of an active metal compound and a metal oxide precursor in contact with a heated catalyst carrier | 09-22-2011 |
20110263726 | PROCESS FOR SELECTIVE OXIDATIVE DEHYDROGENATION OF A HYDROGEN-CONTAINING CO MIXED GAS - A process for selective oxidative dehydrogenation of a hydrogen-containing CO mixed gas, comprising contacting a hydrogen-containing CO mixed gas raw material with at least one catalyst entity having an increased activity gradient disposed in a reactor under at least one reaction condition chosen from a reaction temperature ranging from 100 to 300° C., a volume space velocity ranging from 100 to 10000 h | 10-27-2011 |
20110306686 | ZEOLITE SUPPORTED RUTHENIUM CATALYSTS FOR THE CONVERSION OF SYNTHESIS GAS TO HYDROCARBONS, AND METHOD FOR PREPARATION AND METHOD OF USE THEREOF - A method for forming a catalyst for synthesis gas conversion and a synthesis gas conversion process impregnating a zeolite support wherein the catalyst contains ruthenium on a zeolite support, such as ZSM-5, ZSM-12, SSZ-32 or beta zeolite, and the product stream has less than 1 weight % C | 12-15-2011 |
20120022173 | HYDROGEN AND CARBON UTILIZATION IN SYNTHETIC FUELS PRODUCTION PLANTS - A system including at least one hydrogen extraction unit comprising an inlet for a synthesis feedgas from a synthesis feedgas line and adapted to remove at least one hydrogen-rich gas and at least one hydrogen-lean gas from the synthesis feedgas to yield a refined synthesis gas; and at least one hydrocarbon synthesis reactor, at least one dedicated activation reactor, or both, wherein the at least one hydrocarbon synthesis reactor is fluidly connected with the at least one hydrogen extraction unit and configured to provide liquid hydrocarbons and a first byproduct gas from a synthesis reactor feedstream comprising at least a portion of the refined synthesis gas; and wherein the at least one dedicated activation reactor is fluidly connected with the at least one hydrogen extraction unit, the at least one hydrocarbon synthesis reactor, or both, and configured for activation of hydrocarbon synthesis catalyst via an activation gas. | 01-26-2012 |
20120108683 | CATALYST FOR SELECTIVE METHANIZATION OF CARBON MONOXIDE - The invention relates to a catalytic composition and to a process for selective methanization of carbon monoxide in hydrogen- and carbon dioxide-containing streams, wherein the active component used is ruthenium and the support material is a lanthanum-cerium-zirconium oxide, and to the use thereof in fuel cell systems. | 05-03-2012 |
20120129959 | RUTHENIUM HYBRID FISCHER-TROPSCH CATALYST, AND METHODS FOR PREPARATION AND USE THEREOF - Disclosed is a method of forming a hybrid Fischer-Tropsch catalyst extrudate for use in synthesis gas conversion reactions. The method includes extruding a mixture of ruthenium loaded metal oxide support particles, particles of an acidic component and a binder sol to form an extrudate. The resulting extrudate contains from about 0.1 to about 15 weight percent ruthenium based on the weight of the extrudate. In a synthesis gas conversion reaction, the extrudate is contacted with a synthesis gas having a H | 05-24-2012 |
20120129960 | PROCESS OF SYNTHESIS GAS CONVERSION TO LIQUID HYDROCARBON MIXTURES USING A CATALYST SYSTEM CONTAINING RUTHENIUM AND AN ACIDIC COMPONENT - The disclosure relates to a method of performing a synthesis gas conversion reaction in which synthesis gas contacts a catalyst system including a mixture of ruthenium loaded Fischer-Tropsch catalyst particles and at least one set of catalyst particles including an acidic component promoted with a noble metal, e.g., Pt or Pd. The reaction occurs at conditions resulting in a hydrocarbons product containing 1-15 weight % CH | 05-24-2012 |
20120129961 | METHOD FOR OPTIMIZING THE OPERATION OF A HYDROCARBON SYNTHESIS UNIT STARTING FROM SYNTHESIS GAS, BY CONTROLLING THE PARTIAL PRESSURE OF CO - A method is described for optimizing the operation of a reaction section for the synthesis of hydrocarbons from a feed comprising synthesis gas, operated in the presence of a catalyst comprising cobalt, said method comprising the following steps:
| 05-24-2012 |
20120202899 | PRODUCTION OF HYDROCARBONS - A process for producing hydrocarbons and, optionally, oxygenates of hydrocarbons is provided. A synthesis gas comprises hydrogen, carbon monoxide and N-containing contaminants selected from the group consisting of HCN, NH | 08-09-2012 |
20120208905 | CATALYST COMPOSITION FOR PRODUCING HYDROCARBONS AND METHOD FOR PRODUCING HYDROCARBONS - There are provided a catalyst composition for producing hydrocarbons and a method for producing hydrocarbons which exhibit a high CO conversion rate, generates minimal amount of gaseous components, and is also capable of efficiently obtaining, from a syngas, a gasoline fraction which is selective for and rich in the components having a high octane number, such as aromatic, naphthenic, olefinic and branched paraffinic hydrocarbons, by using a Fischer-Tropsch synthesis catalyst that contains at least one type of metal exhibiting activity in Fischer-Tropsch reaction and manganese carbonate and a zeolite serving as a solid acid. | 08-16-2012 |
20120329890 | FISCHER-TROPSCH SYNTHESIS CATALYST, MANUFACTURING METHOD THEREFOR, AND HYDROCARBON MANUFACTURING METHOD - A Fischer-Tropsch synthesis catalyst containing 10 to 30% by mass, as a metal atom, of metallic cobalt and/or cobalt oxide, based on the mass of the catalyst, supported on a carrier containing silica, in which the carrier has an average pore diameter of 8 to 25 nm and the metallic cobalt and/or cobalt oxide has an average crystallite diameter of not less than the average pore diameter of the carrier and less than 35 nm. | 12-27-2012 |
20130023593 | CATALYSTS SUPPORTS - A method for preparing a silica-modified catalyst support is described including:
| 01-24-2013 |
20130023594 | STACKED CATALYST BED FOR FISCHER-TROPSCH - The invention pertains to a reactor tube comprising a fixed bed of Fischer-Tropsch catalyst particles, wherein the catalyst particles in 5%-40% of the fixed bed volume at the upstream end have an average outer surface to volume ratio (S/V) of between 3.0 to 4.5 mm-1, and the remaining catalyst particles have an average S/V of between 4.5 to 8.0 mm-1, and wherein the difference between the average S/V of the particles at the upstream end and the remaining fixed bed volume is at least 0.5 mm-1. Additionally the fixed bed volume at the upstream end shows a full-bed apparent catalytic activity per volume unit lower than the full-bed apparent catalytic activity per volume unit in the remaining fixed bed volume and/or the weight of catalytically active metal per weight unit at the upstream end is more than 70% lower than in the remaining fixed bed volume. | 01-24-2013 |
20130041052 | PROCESS FOR PRODUCTION OF ACTIVATED FISCHER-TROPSCH SYNTHESIS CATALYST, AND PROCESS FOR PRODUCTION OF HYDROCARBON - A method for producing an activated Fischer-Tropsch synthesis catalyst comprising a hydrogen reduction step of subjecting a catalyst comprising 3 parts by mass to 50 parts by mass, as a metal atom, of a cobalt compound and/or a ruthenium compound, based on 100 parts by mass of a carrier containing a porous inorganic oxide, supported on the carrier, to reduction in a gas containing molecular hydrogen at a temperature of 300° C. to 600° C.; and a CO reduction step of subjecting the catalyst to reduction in a gas containing carbon monoxide and containing no molecular hydrogen at a temperature of 200° C. to 400° C. | 02-14-2013 |
20130046032 | INTEGRATED PROCESS FOR PRODUCING ETHANOL FROM METHANOL - Processes and systems for forming ethanol from methanol. The process involves carbonylating the methanol to form acetic acid and hydrogenating the acetic acid to form ethanol. In a first aspect, at least some hydrogen for the hydrogenating step is derived from a tail gas stream formed in the carbonylation step. In a second aspect, at least some carbon monoxide for the carbonylation step is derived from a vapor stream in the hydrogenation system. In a third aspect, a syngas stream is separated to form a hydrogen stream and a carbon monoxide stream, and the hydrogen stream is methanated to remove residual carbon monoxide prior to being introduced into the hydrogenation system. | 02-21-2013 |
20130102693 | MODIFIED FISCHER-TROPSCH CATALYST AND METHOD FOR CONVERSION OF SYNGAS - A method of preparing a catalyst for conversion of syngas to Fischer-Tropsch hydrocarbon products comprising providing a reduced oxide Fischer-Tropsch catalyst and treating the reduced oxide catalyst with acetylene. | 04-25-2013 |
20130158138 | INTEGRAL SYNTHESIS GAS CONVERSION CATALYST EXTRUDATES AND METHODS FOR PREPARING AND USING SAME - Methods for preparing integral synthesis gas conversion catalyst extrudates including an oxide of a Fischer-Tropsch (FT) metal component and a zeolite component are disclosed. The oxide of the FT metal component is precipitated from a solution into crystallites having a particle size between about 2 nm and about 30 nm. The oxide of the FT metal component is combined with a zeolite powder and a binder material, and the combination is extruded to form integral catalyst extrudates. The oxide of the FT metal component in the resulting catalyst is in the form of reduced crystallites located outside the zeolite channels. No appreciable ion exchange of FT metal occurs within the zeolite channels. The acid site density of the integral catalyst extrudate is at least about 80% of the zeolite acid site density. | 06-20-2013 |
20130158139 | PROCESS FOR PRODUCTION OF HYDROCARBONS WITH CATALYST CONDITIONING - A method for continuous production of hydrocarbons from synthesis gas in the presence of a cobalt-based catalyst which comprises a step of providing synthesis gas from a source ( | 06-20-2013 |
20130165537 | STACKED CATALYST BED FOR FISCHER-TROPSCH - The present invention pertains to a reactor tube comprising a fixed bed of Fischer-Tropsch catalyst particles, wherein the catalyst particles in 5% to 40% of the fixed bed volume at the upstream end have an average outer surface to volume ratio (S/V) of between 3.0 to 4.5 mm | 06-27-2013 |
20130184360 | CATALYST TREATMENT - A method of preparing a Fischer-Tropsch catalyst for handling, storage, transport and deployment, including the steps of impregnating a porous support material with a source of cobalt, calcining the impregnated support material activating the catalyst, and passivating the activated catalyst. | 07-18-2013 |
20130184361 | PROCESS FOR SYNTHESIZING C5+ HYDROCARBONS IN THE PRESENCE OF A CATALYST PREPARED USING AT LEAST ONE CYCLIC OLIGOSACCHARIDE - C5+ hydrocarbon synthesis by contracting a synthesis gas with a catalyst naming at least one metal from group VIII deposited on a support formed by at least one oxide, said catalyst being prepared using a process of at least:
| 07-18-2013 |
20130253078 | IMPROVED HYBRID FISCHER-TROPSCH CATALYSTS AND PROCESSES FOR USE THEREOF - Disclosed are hybrid Fischer-Tropsch catalysts containing cobalt deposited on hybrid supports. The hybrid supports contain an acidic zeolite component and a silica-containing material. It has been found that the use of the hybrid Fischer-Tropsch catalysts in synthesis gas conversion reactions results in high C | 09-26-2013 |
20130253079 | HYBRID FISCHER-TROPSCH CATALYSTS AND PROCESSES FOR USE THEREOF - Disclosed are hybrid Fischer-Tropsch catalysts containing cobalt deposited on hybrid supports. The hybrid supports contain an acidic zeolite component and a silica-containing material. It has been found that the use of the hybrid Fischer-Tropsch catalysts in synthesis gas conversion reactions results in high C | 09-26-2013 |
20130274355 | CATALYST USEFUL IN FISHER-TROPSCH SYNTHESIS - The present invention relates to a catalyst composition comprising cobalt manganese oxide which is modified with lanthanum and/or phosphorus and optionally one or more basic elements selected from the group consisting of alkali metal, alkaline earth metal and transition metal. Furthermore, a method for preparing said catalyst composition and a process for producing aliphatic and aromatic hydrocarbons by Fischer-Tropsch synthesis using said catalyst composition is provided. | 10-17-2013 |
20130289145 | CATALYST FOR FISCHER-TROPSCH SYNTHESIS, PRODUCTION METHOD THEREFOR, AND PRODUCTION METHOD USING FISCHER-TROPSCH SYNTHESIS CATALYST - The catalyst for FT synthesis comprises manganese carbonate containing from 10 to 25% by mass of silica in terms of an oxide on the basis of the mass of the catalyst, not more than 6% by mass of an organic binder on the basis of the mass of the catalyst, and from 0.5 to 5% by mass of ruthenium in terms of a metal on the basis of the mass of the catalyst, wherein the catalyst has a surface area of 100 to 210 m | 10-31-2013 |
20140018454 | ACTIVATED FISCHER-TROPSCH SYNTHESIS REACTION CATALYST AND METHOD FOR PRODUCING HYDROCARBONS - A Fischer-Tropsch synthesis reaction catalyst includes a catalyst support containing a silica and zirconium oxide in an amount of 0.5 to 14% by mass based on the mass of the catalyst support, and cobalt metal and a cobalt oxide supported on the catalyst support in an amount equivalent to 10 to 40% by mass of tricobalt tetroxide based on the mass of the catalyst, wherein the degree of reduction of the cobalt atoms is within a range from 75 to 93%, and the amount of hydrogen gas adsorption per unit mass of the catalyst at 100° C. is within a range from 0.40 to 1.0 ml/g. | 01-16-2014 |
20140045954 | FISCHER-TROPSCH PROCESS - The disclosed invention relates to a process for conducting a Fischer-Tropsch reaction, comprising flowing a reactant mixture comprising fresh synthesis gas and tail gas in a microchannel reactor in contact with a catalyst to form at least one hydrocarbon product, the catalyst being derived from a catalyst precursor comprising cobalt and a surface modified catalyst support. | 02-13-2014 |
20140080929 | PROCESS FOR PREPARING A COBALT - CONTAINING HYDROCARBON SYNTHESIS CATALYST PRECURSOR - A process for preparing a cobalt-containing hydrocarbon synthesis catalyst precursor includes calcining a loaded catalyst support comprising a catalyst support supporting a cobalt compound. The calcination includes subjecting the loaded catalyst support to heat treatment by heating the loaded catalyst support to a temperature, T, of at least 220° C. at a heating rate below 10° C./minute, and effecting gas flow at a space velocity of at least 9 m | 03-20-2014 |
20140088206 | CATALYSTS - The invention relates to improvements in the design of Fischer-Tropsch catalysts comprising a support and cobalt on the support. A first aspect is the modification of the silica support with at least 11 wt % titania to prevent the formation of cobalt silicates, thereby limiting the deactivation resulting from the silicate formation. A second aspect is the provision of C0 | 03-27-2014 |
20140128486 | Process for Producing Ethylene and Propylene from Syngas - The present invention relates to a process for producing ethylene and propylene from syngas, the process comprising the steps of a) contacting syngas ( | 05-08-2014 |
20140155501 | PROCESS FOR PREPARING A COBALT - CONTAINING FISCHER TROPSCH CATALYST - A process for preparing a cobalt-containing hydrocarbon synthesis catalyst includes calcining an initial catalyst precursor comprising a catalyst support supporting a cobalt compound, by heat treating the initial catalyst precursor under non-reducing conditions in order to decompose the cobalt compound and/or to cause the cobalt compound to react with oxygen, thereby to obtain a calcined initial catalyst precursor. A cobalt compound is introduced onto and/or into the calcined initial catalyst precursor so that the calcined initial catalyst precursor supports this cobalt compound thereby obtaining a subsequent catalyst precursor. The subsequent catalyst precursor is directly subjected to reduction conditions to activate the subsequent catalyst precursor, thereby to obtain a cobalt-containing hydrocarbon synthesis catalyst. | 06-05-2014 |
20140194541 | CATALYST FOR C2 OXYGENATE SYNTHESIS, DEVICE FOR MANUFACTURING C2 OXYGENATE, AND METHOD FOR MANUFACTURING C2 OXYGENATE - The present invention relates to a catalyst for C2 oxygenate synthesis in which a hydrogenated active metal is supported on a porous carrier to synthesize a C2 oxygenate from a mixed gas containing hydrogen and carbon monoxide, wherein the porous carrier has an average pore diameter of 0.1 to 20 nm. | 07-10-2014 |
20140200279 | CATALYST FOR METHANATION OF CARBON DIOXIDE, PREPARATION METHOD AND USAGE THEREOF - A catalyst for methanation of carbon dioxide. The catalyst is formed by mixing ash from a biomass power plant with a nickel compound and calcining the resulting mixture. The catalyst formed by calcination includes between 2 and 20 wt. % of nickel. | 07-17-2014 |
20140323601 | Fischer-Tropsch Catalyst - The present invention is directed to a catalyst suitable for catalyzing a Fischer-Tropsch reaction, said catalyst comprising cobalt metal supported on zinc-oxide and having the following particle size distribution by volume: <10% having a particle size below 1 micron, 70-99% having a particle size between 1 and 5 micron, and <20% having a particle size above 5 micron. | 10-30-2014 |
20140343175 | PROCESSES AND SYSTEMS FOR SYNTHESIS GAS CONVERSION USING A HYBRID FISCHER-TROPSCH CATALYST IN A COMPACT HEAT EXCHANGE REACTOR - Disclosed are a process and a system for synthesis gas conversion. The process includes contacting a synthesis gas feed of hydrogen and carbon monoxide having a H | 11-20-2014 |
20150299595 | Method for producing synthesis natural gas using straw gas - A method for producing synthesis natural gas using a straw gas, includes the steps of: pressurizing and heating a conventional straw gas, conveying the straw gas to a converter containing carbon monoxide and hydrogen to react therewith in the presence of nickel-based catalyst, so as to result in conversion gas mixture with main components of methane, carbon dioxide, water and impurity; and cooling, gas-liquid separating and purifying to obtain a synthesis natural gas with methane content of over 90%. The synthesis natural gas obtained according to the method of present invention has high energy utilization efficiency, and can not only be used for civilian by a conventional natural gas infrastructure, but also serve as an energy supply for a combustion engine or a small gas turbine. | 10-22-2015 |
20150328622 | FISCHER-TROPSCH SYNTHESIS CATALYST, MANUFACTURING METHOD THEREFOR, AND HYDROCARBON MANUFACTURING METHOD - A Fischer-Tropsch synthesis catalyst containing 10 to 30% by mass, as a metal atom, of metallic cobalt and/or cobalt oxide, based on the mass of the catalyst, supported on a carrier containing silica, in which the carrier has an average pore diameter of 8 to 25 nm and the metallic cobalt and/or cobalt oxide has an average crystallite diameter of not less than the average pore diameter of the carrier and less than 35 nm. | 11-19-2015 |
20150337213 | REACTOR AND REACTION METHOD - A method of forming a hydrocarbon product, the method comprising a first step of enriching a carrier liquid with carbon monoxide and hydrogen and a subsequent step of bringing the enriched carrier liquid into contact with a catalyst in a first reaction zone of a reactor, wherein the catalyst catalyses reaction of the carbon monoxide and hydrogen to form the hydrocarbon product. | 11-26-2015 |
20150353838 | Multi-Structured Reactor Made of Monolithic Adjacent Thermoconductive Bodies for Chemical Processes with a High Heat Exchange - A multi-structured tubular element for producing a reactor for effecting exothermic/endothermic chemical reactions, comprises two or more monolithic thermoconductive bodies, assembled together so that each has a part of the side surface interfaced with the side surface of one or more monolithic thermoconductive bodies adjacent thereto, so as to form as a whole, a honeycomb structure containing a plurality of longitudinal channels extending from one end to the other of said tubular element, suitable for being filled with a granular catalytic solid. | 12-10-2015 |
20150360209 | STABILIZED CATALYST SUPPORT AND CATALYST COMPRISING TRANSITION ALUMINIA - In a broad form the present disclosure relates to a stabilized catalyst support comprising in oxide form; aluminum, zirconium, and one or more lanthanoid elements taken from the lanthanoid group of the periodic system characterized in that at least a part of the aluminum is present as transition alumina such as χ, κ, γ, δ, ρ and θ-alumina, characterized in the concentration of zirconium being at least 1.5 wt %, 5 wt % or 10 wt %, the concentration of lanthanoid being at least 0.5 wt %, 1.0 wt %, 2 wt % or 4 wt % and the combined concentration of zirconium and lanthanoid being at least 4 wt %, 7 wt % or 10 wt %, with the associated benefit of a support comprising transition alumina being a high surface area due to the small crystallites typical for transition alumina, and the benefit of the combined presence of oxides of zirconium and lanthanoid in the stated amounts being that at these levels these oxides stabilize the structure of the transition alumina. | 12-17-2015 |
20160016154 | Cobalt-Containing Fischer-Tropsch Catalysts, Methods of Making, and Methods of Conducting Fischer-Tropsch Synthesis - Catalyst compositions, methods of making catalysts, and methods of conducting Fischer-Tropsch (FT) reactions are described. It has been discovered that a combination of large crystallite size and high porosity results in catalysts and FT catalyst systems with high stability and low methane selectivity. | 01-21-2016 |
20160016875 | DIRECT CARBON DIOXIDE HYDROGENATION TO FORMIC ACID IN ACIDIC MEDIA - The present invention relates to a method of producing formic acid in a catalysed chemical reaction from hydrogen gas and carbon dioxide gas, said reaction being conducted in an acidic medium comprising a polar solvent over a wide range of temperatures at total gas pressure of hydrogen and carbon dioxide up to 250 bar without the addition of base, carbonate, hydrogen carbonate or formate. The method of the present invention is advantageous since the reaction may be conducted in a polar solvent such as water or DMSO. | 01-21-2016 |
20160052837 | Methanation Catalyst - The invention relates to use of a catalyst comprising particles of nickel dispersed in a porous silica matrix for catalysing a methanation reaction. There is also described a method for methanation of a feedstock at least comprising gases carbon monoxide and hydrogen, said method comprising contacting the feedstock with the catalyst. | 02-25-2016 |
20160067687 | Support For Fischer-Tropsch Catalyst Having Improved Activity - A process has been developed for preparing a Fischer-Tropsch catalyst precursor and a Fischer-Tropsch catalyst made from the precursor. The process includes contacting a gamma alumina catalyst support material with a first solution containing a vanadium compound and a phosphorus compound, to obtain a modified catalyst support material. The modified catalyst support material is calcined at a temperature of at least 500° C. The calcined modified catalyst support has a pore volume of at least 0.4 cc/g. The modified catalyst support is less soluble in acid solutions than an equivalent unmodified catalyst support. The modified catalyst support is contacted with a second solution which includes a precursor compound of an active cobalt catalyst component and an organic compound, preferably glutaric acid, to obtain a catalyst precursor. The catalyst precursor is reduced to activate the catalyst precursor to obtain the Fischer-Tropsch catalyst. The catalyst has enhanced hydrothermal stability as measured by losing no more than 10% of its pore volume when exposed to water vapor. The catalyst has Co | 03-10-2016 |
20160067688 | STABLE SUPPORT FOR FISCHER-TROPSCH CATALYST - A process has been developed for preparing a Fischer-Tropsch catalyst precursor and a Fischer-Tropsch catalyst made from the precursor. The process includes contacting a gamma alumina catalyst support material with a first solution containing a vanadium compound and a phosphorus compound, to obtain a modified catalyst support material. The modified catalyst support material is calcined at a temperature of at least 500° C. The modified catalyst support is less soluble in acid solutions than an equivalent unmodified catalyst support. The modified catalyst support loses no more than 6% of its pore volume when exposed to water vapor. The modified catalyst support is contacted with a second solution which includes a precursor compound of an active cobalt catalyst component to obtain a catalyst precursor. The Fischer-Tropsch catalyst has enhanced hydrothermal stability as measured by losing no more than 10% of its pore volume when exposed to water vapor. | 03-10-2016 |
20160144345 | FISCHER-TROPSCH SYNTHESIS CATALYST, METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING HYDROCARBON - A process for producing a Fischer-Tropsch synthesis catalyst according to the present invention comprises a step of calcining a carrier precursor containing silica calcined at a temperature T | 05-26-2016 |
20160160128 | METHOD FOR STARTING UP A FISCHER TROPSCH PROCESS - The invention relates to a method to start up a Fischer-Tropsch process. A catalyst with a latent activity is used. The catalyst comprises titania, cobalt, promoter, and chlorine. The catalyst comprises more than 0.7 and less than 4 weight percent of the element chlorine, calculated on the total weight of the catalyst. | 06-09-2016 |
20160167025 | CATALYST FOR CONVERSION OF SYNTHESIS GAS | 06-16-2016 |
20160175820 | PROCESS FOR PREPARING A CHLORINE COMPRISING CATALYST, THE PREPARED CATALYST, AND ITS USE | 06-23-2016 |
20160175821 | PROCESS FOR PREPARING A CHLORINE COMPRISING CATALYST, THE PREPARED CATALYST, AND ITS USE | 06-23-2016 |
20160175831 | CATALYSTS | 06-23-2016 |
20160200985 | COBALT METAL FOAM CATALYST, METHOD OF MAKING SAME, THERMAL-MEDIUM-CIRCULATING HEAT-EXCHANGE REACTOR USING SAME, AND METHOD OF PRODUCING A LIQUID FUEL BY MEANS OF A FISCHER-TROPSCH SYNTHESIS REACTION USING THERMAL-MEDIUM-CIRCULATING HEAT-EXCHANGE REACTOR | 07-14-2016 |
20160375424 | CATALYSTS SUPPORTS - A method for preparing a silica-modified catalyst support is described including:
| 12-29-2016 |
20180021766 | PHENANTHROLINE BASED PINCER COMPLEXES USEFUL AS CATALYSTS FOR THE PREPARATION OF METHANOL FROM CARBONDIOXIDE | 01-25-2018 |