Patent application number | Description | Published |
20080249197 | Process for the Production of Methanol from Methane using a Supported Transition Metal Catalyst - A process for the selective oxidation of methane to methanol using a supported transition metal catalyst has been developed. Examples of the transition metals which can be used are copper and palladium, while an example of a support is silica. Optionally, the catalyst can contain a modifier component such as cesium. Generally the process involves contacting a gas stream, comprising methane, a solvent such as trifluoroacetic acid and an oxidizing agent such as air or hydrogen peroxide with the catalyst, at oxidation conditions to produce a methyl ester, e.g. methyl trifluoroacetate. Finally, the methyl ester is hydrolyzed to yield a methanol product stream. | 10-09-2008 |
20080249198 | Oxidation of Methane to Methanol using a Bimetallic Catalyst - A process for the oxidation of methane to methanol has been developed. The process involves contacting a gas stream, comprising methane, a solvent and an oxidizing agent with a bimetallic catalyst at oxidation conditions to produce a methyl ester. Finally, the methyl ester is hydrolyzed to yield a methanol product stream. The bimetallic catalyst comprises at least two transition metal components. One example of the catalytic component is a combination of cobalt and manganese. | 10-09-2008 |
20080249337 | Oxidation of Methane to Methanol using a Catalyst Containing a Transition Metal - A process for the oxidation of methane to methanol has been developed. The process involves contacting a gas stream, comprising methane, a solvent and an oxidizing agent with a catalyst at oxidation conditions to produce a methyl ester. Finally, the methyl ester is hydrolyzed to yield a methanol product stream. The catalyst comprises a transition metal component such as manganese oxide and an inorganic oxide such as silica. The transition metal component can be dispersed onto the inorganic oxide. | 10-09-2008 |
20090250376 | Production of Blended Gasoline and Blended Aviation Fuel from Renewable Feedstocks - A process for producing at least one blended fuel from a paraffin rich component and a cyclic rich component, where each of the components are generated from a renewable feedstock, is presented. The paraffin rich component is generated from glycerides and free fatty acids in feedstocks such as plant and animal oils. The cyclic rich component is generated from biomass derived pyrolysis oil. The source of the animal or plant oil and the biomass may be the same renewable source. | 10-08-2009 |
20090253947 | Production of Blended Fuel from Renewable Feedstocks - A process for producing a blended fuel from a paraffin rich component and a cyclic rich component, where each of the components are generated from a renewable feedstock, is presented. The paraffin rich component is generated from a first renewable feedstock comprising at least one component selected from the group consisting of glycerides, free fatty acids, biomass, lignocellulose, free sugars, and combinations thereof. The cyclic rich component is generated from a second renewable feedstock comprising at least one component selected from the group consisting of glycerides, free fatty acids, free fatty alkyl esters, biomass, lignocellulose, free sugars, and combinations thereof. The blended fuel may a gasoline boiling point range blended fuel, a diesel boiling point range blended fuel, an aviation boiling point range blended fuel, any combination thereof, or any mixture thereof. | 10-08-2009 |
20090253948 | Fuel and Fuel Blending Components from Biomass Derived Pyrolysis Oil - A process for the conversion of biomass derived pyrolysis oil to liquid fuel components is presented. The process includes the production of diesel, aviation, and naphtha boiling point range fuels or fuel blending components by two-stage deoxygenation of the pyrolysis oil and separation of the products. | 10-08-2009 |
20090283442 | Production of Aviation Fuel from Renewable Feedstocks - A hydrocarbon product stream having hydrocarbons with boiling points in the aviation fuel range is produced from renewable feedstocks such as plant and animal oils. The process involves treating a renewable feedstock by hydrogenating, deoxygenating, isomerization, and selectively hydrocracking the feedstock to produce paraffinic hydrocarbons having from about 9 to about 16 carbon atoms and a high iso/normal ratio in a single reaction zone containing a multifunctional catalyst, or set of catalysts, having hydrogenation, deoxygenation, isomerization and selective hydrocracking functions. | 11-19-2009 |
20090287029 | Controlling Production of Transportation Fuels from Renewable Feedstocks - A process for controlling the concurrent production of both diesel range hydrocarbons and aviation range hydrocarbons from renewable feedstocks such as plant oils and animal oils. The process involves determining the required specification of the desired products and the desired relative yields of the product that still meet the required specifications. The necessary isomerization and selective hydrocracking zone conditions are determined in order to create a mixture of paraffins which meet the required product specifications and yields. The necessary fractionation zone conditions are determined to separate the desired products. A renewable feedstock is treated by hydrogenating and deoxygenating to provide an effluent comprising paraffins, isomerizing and selectively hydrogenating at least a portion of the paraffins at the predetermined conditions, and separating by fractionation at the predetermined fractionation conditions to generate a diesel range hydrocarbon product and an aviation range hydrocarbon product. | 11-19-2009 |
20090294324 | Production of Blended Gasoline Aviation and Diesel Fuels from Renewable Feedstocks - A process for producing at least one blended fuel from a paraffin rich component and a cyclic rich component, where each of the components are generated from a renewable feedstock, is presented. The paraffin rich component is generated from glycerides and free fatty acids in feedstocks such as plant and animal oils. The cyclic rich component is generated from biomass derived pyrolysis oil. The source of the animal or plant oil and the biomass may be the same renewable source. | 12-03-2009 |
20090301930 | Production of Blended Fuel from Renewable Feedstocks - A process for producing a blended fuel from a paraffin rich component and a cyclic rich component, where each of the components are generated from a renewable feedstock, is presented. The paraffin rich component is generated from glycerides and free fatty acids in feedstocks such as plant and animal oils. The cyclic rich component is generated from biomass derived pyrolysis oil. The source of the animal or plant oil and the biomass may be the same renewable source. | 12-10-2009 |
20100076238 | Production of Fuel from Co-Processing Multiple Renewable Feedstocks - A process for producing a fuel or fuel blending component from co-processing at least two different classes of renewable feedstocks, is presented. One feedstock comprises glycerides and free fatty acids in feedstocks such as plant and animal oils while the other feedstock comprises biomass derived pyrolysis oil. The source of the animal or plant oil and the biomass may be the same renewable source. | 03-25-2010 |
20100331568 | CARBOHYDRATE ROUTE TO PARA-XYLENE AND TEREPHTHALIC ACID - Catalytic processes for the conversion of 2,5-dimethyl furan (DMF) to para-xylene are described. Para-xylene is a key product that is currently obtained commercially from petroleum sources. However, it has now been determined that the cycloaddition of ethylene to DMF provides an alternative route to para-xylene. Advantageously, the DMF starting material for the processes may be synthesized from carbohydrates (e.g., glucose or fructose), thereby providing a pathway that relies at least partly, if not completely, on renewable feedstocks. | 12-30-2010 |
20110120909 | METHODS FOR PRODUCING BIOMASS-DERIVED PYROLYSIS OILS HAVING INCREASED PHASE STABILITY - A process for stabilizing pyrolysis oil has been developed. The process involves heating the pyrolysis oil at a temperature of about 40° C. to about 85° C. under a reducing atmosphere for a time to stabilize the oil. The reducing atmosphere or gas is preferably hydrogen. | 05-26-2011 |
20110146135 | LOW METAL BIOMASS-DERIVED PYROLYSIS OILS AND PROCESSES FOR PRODUCING THE SAME - Low metal biomass-derived pyrolysis oils and processes for producing the same are provided. Low metal biomass-derived pyrolysis oil is produced by a process of contacting metal-containing biomass-derived pyrolysis oil with an acidic ion-exchange resin having sulfonic acid groups. Low metal biomass-derived pyrolysis oil is removed from spent acidic ion-exchange resin after ion-exchange. | 06-23-2011 |
20110146140 | LOW WATER BIOMASS-DERIVED PYROLYSIS OIL AND PROCESSES FOR PREPARING THE SAME - Low water-containing biomass-derived pyrolysis oils and processes for preparing them are provided. Water-containing biomass-derived pyrolysis oil is distilled in the presence of an azeotrope-forming liquid to form an azeotrope. The azeotrope is removed at or above the boiling point of the azeotrope and low water biomass-derived pyrolysis oil is obtained. | 06-23-2011 |
20110146141 | LOW METAL, LOW WATER BIOMASS-DERIVED PYROLYSIS OILS AND METHODS FOR PRODUCING THE SAME - Low metal, low water biomass-derived pyrolysis oils and methods for producing the same are provided. Metal- and water-containing biomass-derived pyrolysis oil is contacted with an acidic ion-exchange resin having sulfonic acid groups to produce a low metal, water-containing biomass-derived pyrolysis oil. The low metal, water-containing biomass-derived pyrolysis oil is removed from the spent ion-exchange resin after ion-exchange. The low metal, water-containing biomass-derived pyrolysis oil is distilled to produce a low metal, low water biomass-derived pyrolysis oil and a distillation product. The distillation product comprises one or both of an alcohol ion-exchange regenerant and an acidic ion-exchange regenerant which may be used to regenerate the spent ion-exchange resin. The regenerated acidic ion-exchange resin may be recycled. The spent alcohol and acid ion-exchange regenerants may be recovered and recycled. | 06-23-2011 |
20110146145 | METHODS FOR REGENERATING ACIDIC ION-EXCHANGE RESINS AND REUSING REGENERANTS IN SUCH METHODS - Methods for regenerating acidic ion-exchange resins and reusing regenerants in such methods are provided. A spent ion-exchange resin is contacted with an alcohol ion-exchange regenerant. The spent ion-exchange resin is thereafter contacted with an acidic ion-exchange regenerant to recharge the acidic ion-exchange resin to produce a regenerated acidic ion-exchange resin. Metal- and water-containing biomass-derived pyrolysis oil is then contacted with the regenerated acidic ion-exchange resin to produce low metal, water-containing biomass-derived pyrolysis oil. The regenerated acidic ion-exchange resin may be recycled. The spent alcohol and acid ion-exchange regenerants may be recovered and recycled. | 06-23-2011 |
20110201855 | LOW OXYGEN BIOMASS-DERIVED PYROLYSIS OILS AND METHODS FOR PRODUCING THE SAME - Low oxygen biomass-derived pyrolysis oils and methods for producing them from carbonaceous biomass feedstock are provided. The carbonaceous biomass feedstock is pyrolyzed in the presence of a catalyst comprising base metal-based catalysts, noble metal-based catalysts, treated zeolitic catalysts, or combinations thereof to produce pyrolysis gases. During pyrolysis, the catalyst catalyzes a deoxygenation reaction whereby at least a portion of the oxygenated hydrocarbons in the pyrolysis gases are converted into hydrocarbons. The oxygen is removed as carbon oxides and water. A condensable portion (the vapors) of the pyrolysis gases is condensed to low oxygen biomass-derived pyrolysis oil. | 08-18-2011 |
20110245551 | USE OF A GUARD BED REACTOR TO IMPROVE CONVERSION OF BIOFEEDSTOCKS TO FUEL - The present invention involves a process for processing an acidic biorenewable feedstock comprising olefins, in which the acidic biorenewable feedstock is diluted with a deoxygenated feed to produce a diluted biorenewable feedstock and then is sent through a guard bed comprising a hydroprocessing catalyst to cause the olefins to be saturated with hydrogen and thereby to produce a treated biorenewable feedstock. This treated biorenewable feedstock can then be treated under standard hydroprocessing condition to produce an upgraded feedstock for transportation fuels. | 10-06-2011 |
20120017493 | METHODS FOR PRODUCING LOW OXYGEN BIOMASS-DERIVED PYROLYSIS OILS - Methods for producing low oxygen biomass-derived pyrolysis oil are provided. Starting biomass-derived pyrolysis oil is deoxygenated by exposing the biomass-derived oil to a first catalyst in the presence of hydrogen-containing gas at first hydroprocessing conditions to produce a partially deoxygenated biomass-derived pyrolysis oil. The first catalyst has a neutral catalyst support. The partially deoxygenated biomass-derived pyrolysis oil is exposed to a second catalyst in the presence of additional hydrogen-containing gas at second hydroprocessing conditions to produce a hydrocarbon product. The biomass-derived pyrolysis oil may be esterified prior to deoxygenation. A portion of the low oxygen biomass-derived pyrolysis oil is recycled. | 01-26-2012 |
20120017494 | PROCESSES FOR PRODUCING LOW ACID BIOMASS-DERIVED PYROLYSIS OILS - Processes for producing a low acid biomass-derived pyrolysis oil are provided that include pre-treating a biomass-derived pyrolysis oil to form a treated acid-containing biomass-derived pyrolysis oil. The processes also include esterifying the treated acid-containing biomass-derived pyrolysis oil in the presence of supercritical alcohol and a catalyst composition to form the low-acid biomass-derived pyrolysis oil, the catalyst composition comprising a material selected from the group consisting of an unsupported solid acid catalyst, an unsupported solid base catalyst, and a catalytic metal dispersed on a metal oxide support. | 01-26-2012 |
20120017495 | METHODS FOR DEOXYGENATING BIOMASS-DERIVED PYROLYSIS OILS - Methods for deoxygenating treated biomass-derived pyrolysis oil are provided. The treated biomass-derived pyrolysis oil is exposed to a catalyst having a neutral catalyst support such as a non-alumina metal oxide support, a theta alumina support, or both. The non-alumina metal oxide support may be a titanium oxide (TiO | 01-26-2012 |
20120023809 | METHODS FOR PRODUCING PHASE STABLE, REDUCED ACID BIOMASS-DERIVED PYROLYSIS OILS - Methods for producing phase stable, reduced acid biomass-derived pyrolysis oils are provided. Biomass-derived pyrolysis oil having a determined water content no greater than about 30% by weight is provided. A base is mixed with the biomass-derived pyrolysis oil to produce reduced acid biomass-derived pyrolysis oil. A base is selected from an inorganic base or a nitrogen-containing base. | 02-02-2012 |
20120167454 | PRETREATMENT OF FATS AND OILS IN THE PRODUCTION OF BIOFUELS - Methods are disclosed for the treatment of feedstocks comprising a fatty acid- or triglyceride-containing component to remove contaminants that are detrimental to the conversion of such feedstocks to hydrocarbons, and especially biofuel fractions such as diesel or aviation biofuels. Contaminants contributing to the presence of trace elements in animal fats and/or plant oils, as components of feedstocks, hinder the ability to catalytically convert these feedstocks, for example by hydroprocessing, to biofuels. | 07-05-2012 |
20120305836 | METHODS AND CATALYSTS FOR DEOXYGENATING BIOMASS-DERIVED PYROLYSIS OIL - Embodiments of methods and catalysts for deoxygenating a biomass-derived pyrolysis oil are provided. The method comprises the step of contacting the biomass-derived pyrolysis oil with a first deoxygenating catalyst in the presence of hydrogen at first predetermined hydroprocessing conditions to form a first low-oxygen biomass-derived pyrolysis oil effluent. The first deoxygenating catalyst comprises a neutral catalyst support, nickel, cobalt, and molybdenum. The first deoxygenating catalyst comprises nickel in an amount calculated as an oxide of from about 0.1 to about 1.5 wt. %. | 12-06-2012 |
20120317871 | METHODS AND APPARATUSES FOR FORMING LOW-METAL BIOMASS-DERIVED PYROLYSIS OIL - Embodiments of methods and apparatuses for forming a low-metal biomass-derived pyrolysis oil are provided. The method comprises the steps of filtering a biomass-derived pyrolysis oil with a high flux rate filter arrangement having a flux rate of about 10 L/m | 12-20-2012 |
20130025187 | PROCESSES FOR CONVERTING LIGNOCELLULOSICS TO REDUCED ACID PYROLYSIS OIL - Processes for producing reduced acid lignocellulosic-derived pyrolysis oil are provided. In a process, lignocellulosic material is fed to a heating zone. A basic solid catalyst is delivered to the heating zone. The lignocellulosic material is pyrolyzed in the presence of the basic solid catalyst in the heating zone to create pyrolysis gases. The oxygen in the pyrolysis gases is catalytically converted to separable species in the heating zone. The pyrolysis gases are removed from the heating zone and are liquefied to form the reduced acid lignocellulosic-derived pyrolysis oil. | 01-31-2013 |
20130030230 | METHODS AND APPARATUSES FOR PRODUCING AROMATIC HYDROCARBON-RICH EFFLUENT FROM LIGNOCELLULOSIC MATERIAL - Embodiments of methods and apparatuses for producing and aromatic hydrocarbon-rich effluent from a lignocellulosic material are provided herein. The method comprises the step of combining the lignocellulosic material and an aromatic hydrocarbon-rich diluent to form a slurry. Hydrogen in the presence of a catalyst is contacted with the slurry at reaction conditions to form the aromatic hydrocarbon-rich effluent. | 01-31-2013 |
20130152454 | METHODS FOR DEOXYGENATING BIOMASS-DERIVED PYROLYSIS OIL - Methods for deoxygenating a biomass-derived pyrolysis oil are provided. In an embodiment, a method for deoxygenating a biomass-derived pyrolysis oil comprises the steps of combining a biomass-derived pyrolysis oil stream with a heated low-oxygen-pyoil diluent recycle stream to form a heated diluted pyoil feed stream. The heated diluted pyoil feed stream has a feed temperature of about 150° C. or greater. The heated diluted pyoil feed stream is contacted with a first deoxygenating catalyst in the presence of hydrogen at first hydroprocessing conditions effective to form a low-oxygen biomass-derived pyrolysis oil effluent. | 06-20-2013 |
20130158329 | METHODS FOR DEOXYGENATING BIOMASS-DERIVED PYROLYSIS OIL - Methods for deoxygenating a biomass-derived pyrolysis oil are provided. In an embodiment, a method comprises the steps of diluting the biomass-derived pyrolysis oil with a phenolic-containing diluent to form a diluted pyoil-phenolic feed. The diluted pyoil-phenolic feed is contacted with a deoxygenating catalyst in the presence of hydrogen at hydroprocessing conditions effective to form a low-oxygen biomass-derived pyrolysis oil effluent. | 06-20-2013 |
20130255136 | PROCESSES FOR WASHING A SPENT ION EXCHANGE BED AND FOR TREATING BIOMASS-DERIVED PYROLYSIS OIL, AND APPARATUSES FOR TREATING BIOMASS-DERIVED PYROLYSIS OIL - Processes and apparatuses for washing a spent ion exchange bed and for treating biomass-derived pyrolysis oil are provided herein. An exemplary process for washing a spent ion exchange bed employed in purification of biomass-derived pyrolysis oil includes the step of providing a ion-depleted pyrolysis oil stream having an original oxygen content. The ion-depleted pyrolysis oil stream is partially hydrotreated to reduce the oxygen content thereof, thereby producing a partially hydrotreated pyrolysis oil stream having a residual oxygen content that is less than the original oxygen content. At least a portion of the partially hydrotreated pyrolysis oil stream is passed through the spent ion exchange bed. Water is passed through the spent ion exchange bed after passing at least the portion of the partially hydrotreated pyrolysis oil stream therethrough. | 10-03-2013 |
20130267743 | METHODS AND APPARATUSES FOR PREPARING UPGRADED PYROLYSIS OIL - Methods and apparatuses for preparing upgraded pyrolysis oil are provided herein. In an embodiment, a method of preparing upgraded pyrolysis oil includes providing a biomass-derived pyrolysis oil stream having an original oxygen content. The biomass-derived pyrolysis oil stream is hydrodeoxygenated under catalysis in the presence of hydrogen to form a hydrodeoxygenated pyrolysis oil stream comprising a cyclic paraffin component. At least a portion of the hydrodeoxygenated pyrolysis oil stream is dehydrogenated under catalysis to form the upgraded pyrolysis oil. | 10-10-2013 |
20130305591 | PROCESS FOR CONTROLLING THE SIMULTANEOUS PRODUCTION OF DIESEL AND JET FUEL RANGE PARAFFINS BY BLENDING FEEDSTOCKS - A process for controlling the simultaneous production of hydrocarbons with boiling points in both the diesel fuel range and the aviation fuel range from renewable feedstocks originating from plants or animals other than petroleum feedstocks is described. The hydrocarbon product can be adjusted by changing the feedstocks without requiring different process equipment. | 11-21-2013 |
20130327628 | METHOD AND APPARATUS FOR PRODUCING PYROLYSIS OIL HAVING IMPROVED STABILITY - Methods and apparatus to improve hot gas filtration to reduce the liquid fuel loss caused by prolonged residence time at high temperatures are described. The improvement can be obtained by reducing the residence time at elevated temperature by reducing the temperature of the pyrolysis vapor, by reducing the volume of the pyrolysis vapor at the elevated temperature, by increasing the volumetric flow rate at constant volume of the pyrolysis vapor, or by doing a combination of these. | 12-12-2013 |
20130345487 | METHODS AND APPARATUSES FOR DEOXYGENATING BIOMASS-DERIVED PYROLYSIS OIL - Embodiments of methods and apparatuses for deoxygenating a biomass-derived pyrolysis oil are provided. In one example, a method comprises the steps of separating a low-oxygen biomass-derived pyrolysis oil effluent into a low-oxygen-pyoil organic phase stream and an aqueous phase stream. Phenolic compounds are removed from the aqueous phase stream to form a phenolic-rich diluent recycle stream. A biomass-derived pyrolysis oil stream is diluted and heated with the phenolic-rich diluent recycle stream to form a heated diluted pyoil feed stream. The heated diluted pyoil feed stream is contacted with a deoxygenating catalyst in the presence of hydrogen to deoxygenate the heated diluted pyoil feed stream. | 12-26-2013 |
20140213833 | LOW METAL BIOMASS-DERIVED PYROLYSIS OILS AND PROCESSES FOR PRODUCING THE SAME - Low metal biomass-derived pyrolysis oils and processes for producing the same are provided. Low metal biomass-derived pyrolysis oil is produced by a process of contacting metal-containing biomass-derived pyrolysis oil with an acidic ion-exchange resin having sulfonic acid groups. Low metal biomass-derived pyrolysis oil is removed from spent acidic ion-exchange resin after ion-exchange. | 07-31-2014 |
20150057477 | SYSTEMS AND METHODS FOR PRODUCING FUEL FROM A RENEWABLE FEEDSTOCK - Methods and systems are provided for producing a fuel from a renewable feedstock. The method includes deoxygenating the renewable feedstock with a hydrogenation catalyst in a deoxygenation reaction zone to produce normal paraffins. The normal paraffins are isomerized to form isomerized paraffins using an isomerization catalyst in an isomerization reaction zone. Aromatic compounds are formed from non-aromatic compounds with an aromatic catalyst in an aromatic production zone downstream from the deoxygenation reaction zone. | 02-26-2015 |