| Patent application number | Description | Published |
|---|
| 20130053605 | Process for Recovering Ethanol - Recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid. Separation and purification processes of the crude ethanol products are employed to allow recovery of ethanol and remove impurities. | 02-28-2013 |
| 20130053606 | Process for Producing Ethanol Using An Extractive Distillation Column - Recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid. Separation and purification processes of crude ethanol product are employed to allow recovery of ethanol and remove impurities. In addition, the process involves separating the crude ethanol product using an extractive distillation column that employs an extraction agent, such as a recycled stream comprising water. | 02-28-2013 |
| 20130072728 | Process for Vapor Phase Hydrogenation - A process for selective formation of ethanol from acetic acid includes contacting a feed stream containing acetic acid and hydrogen at an elevated temperature with catalyst comprising platinum and tin on a high surface area silica promoted with calcium metasilicate. Selectivities to ethanol of over 85% are achieved at 280° C. with catalyst life in the hundreds of hours. | 03-21-2013 |
| 20130085292 | Processes for Producing Acrylic Acids and Acrylates - In one embodiment, the invention is to a process for producing an acrylate product. The process comprises the step of reacting an alkanoic acid and an alkylenating agent under conditions effective to produce a crude acrylate product. A molar ratio of alkylenating agent to alkanoic acid is maintained at a level of at least 1. | 04-04-2013 |
| 20130085297 | Processes for Producing Acrylic Acids and Acrylates with Pre- and Post-Reactor Dilution - In one embodiment, the invention is to a process for producing an acrylate product. The process comprises the step of reacting a reaction mixture comprising a first diluent, an alkylenating agent and an alkanoic acid to form a crude acrylate product comprising alkylenating agent and acrylate product. The crude acrylate product is then diluted with a second diluted to form a diluted crude acrylate stream. The diluents are then removed from the diluted crude acrylate stream to form a liquid acrylate stream. The process further comprises the step of separating at least a portion of the liquid acrylate stream to form an alkylenating agent stream and an intermediate product stream. The alkylenating agent stream comprises at least 1 wt. % alkylenating agent and the intermediate product stream comprises acrylate product. | 04-04-2013 |
| 20130085298 | Processes for Producing Acrylic Acids and Acrylates with Liquid Product Dilution - In one embodiment, the invention is to a process for producing an acrylate product. The process comprises the step of providing a crude acrylate product comprising the acrylate product and an alkylenating agent. The process further comprises the steps of removing inert and/or reactive gases from the crude product to form a liquid acrylate stream, diluting the liquid acrylate stream with a diluent to form a diluted liquid acrylate stream, and then separating at least a portion of the diluted liquid acrylate stream to form an alkylenating agent stream and an intermediate product stream. The alkylenating agent stream comprises at least 1 wt. % alkylenating agent and the intermediate product stream comprises acrylate product. | 04-04-2013 |
| 20130085299 | Processes for Producing Acrylic Acids and Acrylate with Diluted Crude Acrylate Stream - In one embodiment, the invention is to a process for producing an acrylate product. The process comprises the step of providing a crude acrylate product comprising the acrylate product and an alkylenating agent. The process further comprises the step of diluting the crude acrylate product with a diluent to form a diluted crude acrylate stream and recovering acrylate product from the diluted crude acrylate stream. | 04-04-2013 |
| 20130085300 | Processes for the Production of Acrylic Acids and Acrylates From A Trioxane Feed - In one embodiment, the invention relates to a process for producing an acrylate product. The process comprises the step of reacting a reaction mixture comprising an alkanoic acid and an alkylenating agent composition under conditions effective to form a crude acrylate product. The alkylenating agent composition comprises at least 1 wt % of a ring-structured compound comprising at least two oxygen atoms and at least one carbon atom, e.g., trioxane and/or tetraoxane. The process further comprises the step of separating at least a portion of the crude acrylate product to form at least one alkylenating agent stream and at least one purified acrylate product stream comprising acrylate product. | 04-04-2013 |
| 20130085303 | Processes for Producing Acrylic Acids and Acrylates - In one embodiment, the invention is to a process for producing an acrylate product. The process comprises the step of providing a crude product stream comprising the acrylate product, an alkylenating agent, light ends, and non-condensable gases. The process further comprises the step of separating the crude product stream to form a cooled vapor stream and at least one condensed crude product stream without the addition of heat. The process further comprise the step of separating at least a portion of the condensed crude product stream to form an alkylenating agent stream comprising at least 1 wt. % alkylenating agent and the intermediate product stream comprises acrylate product. | 04-04-2013 |
| 20130096341 | Methanol Carbonylation System with Multiple Absorber Feed Options - A methanol carbonylation system | 04-18-2013 |
| 20130102809 | Methanol Carbonylation Process with Rhodium Catalyst, an Iodide Salt and a Metallic Co-Catalyst Selected from Transition Metals, Indium, Strontium, Barium, Zinc, Tin and Heteropoly Acids - A carbonylation process for making acetic acid uses a metallic co-catalyst composition effective as a rhodium stabilizer and rate promoter at molar ratios of metal/rhodium of from about 0.5 to 30. A preferred process includes: (a) reacting methanol with a carbon monoxide feedstock in a rhodium-based catalytic reaction mixture having: (i) a rhodium catalyst metal, (ii) methyl iodide maintained from about 1 to 20 weight percent, (iii) a lithium iodide co-catalyst, (iv) a metallic co-catalyst composition, (v) water maintained from 0.1 weight percent to less than 8 weight percent, (vi) methyl acetate maintained from about 0.5 to about 30 weight percent, and (vii) acetic acid; (b) flashing crude acetic acid from the reaction mixture; and (c) purifying the crude acetic acid. This process achieves stability and a STY greater than 10 mol/L/hr, with substantially less than a theoretically equivalent inorganic iodide content corresponding to the metallic co-catalyst and lithium iodide. | 04-25-2013 |
| 20130102810 | Methanol Carbonylation Process with Rhodium Catalyst and a Lanthanide Metal Co-Catalyst - A carbonylation process for making acetic acid using a metallic co-catalyst composition, effective as a rhodium stabilizer and/or rate promoter, at molar ratios of metal/rhodium of about 0.5 to 40. The process includes reacting methanol with carbon monoxide in the presence of a rhodium-based catalytic metal complex with about 1 to 20 weight percent methyl iodide, less than about 8 weight % water and about 0.5 to about 30 weight percent methyl acetate. The crude acetic acid is flashed and further purified. This process is stable in the absence of a lithium iodide cocatalyst, or in low concentrations of lithium iodide, with an STY greater than 10 mol/L/hr. | 04-25-2013 |
| 20130130025 | Polymer Latex Blends and Applications Thereof - Disclosed are blended latex dispersions which can be used as binders in paper coating compositions. Such latex dispersions comprise a first copolymer of a vinyl ester of an alkanoic acid having from 1 to 13 carbon atoms and ethylene; and a second copolymer of (i) styrene and butadiene, (ii) styrene, butadiene and acrylonitrile, or (iii) styrene and an acrylic monomer, wherein the first and second copolymers are colloidally dispersed in an aqueous medium comprising a surfactant. The paper coating compositions containing latex dispersion binders of this type preferably exhibit especially desirable coating strength as quantified by the Dry Pick Values which such compositions provide. | 05-23-2013 |
| 20130131400 | Hydrogenating Acetic Acid to Produce Ethyl Acetate and Reducing Ethyl Acetate to Ethanol - Disclosed herein are processes for alcohol production by reducing an ethyl acetate produced by hydrogenating acetic acid in the presence of a suitable catalyst. The ethyl acetate is reduced with hydrogen in the presence of a catalyst to obtain a crude reaction mixture comprising the alcohol, in particular ethanol, which may be separated from the crude reaction mixture. Thus, ethanol may be produced from acetic acid through an ethyl acetate intermediate without an esterification step. This may reduce the recycle of ethanol in the hydrogenolysis process and improve ethanol productivity. | 05-23-2013 |
| 20130143972 | BIOMASS GASIFICATION AND INTEGRATED PROCESSES FOR MAKING INDUSTRIAL CHEMICALS THROUGH AN ACETIC ACID INTERMEDIATE - The invention relates to integrated processes for producing industrial chemicals, such as alcohols, carboxylic acids, esters, aldehydes, olefins and polymers from biomass. In one embodiment, the invention is to a process comprising the steps of (a) introducing biomass and an oxygen stream to a gasifier and converting the biomass into a product gas, wherein the gasifier is operated at a pressure of at least 10 bar; (b) compressing the product gas at a compression ratio that is less than 5:1 to form compressed product gas; (c) directing a first portion of the compressed product gas to an alcohol synthesis reactor to produce methanol; (d) directing a second portion of the compressed product gas to a gas separator to produce a hydrogen stream and a carbon monoxide stream; (e) reacting the carbon monoxide stream with the methanol to produce acetic acid; and (f) reacting the hydrogen stream with acetic acid to produce ethanol. | 06-06-2013 |
| 20130143973 | BIOMASS GASIFICATION AND INTEGRATED PROCESSES FOR MAKING INDUSTRIAL CHEMICALS THROUGH AN ESTER INTERMEDIATE - The invention relates to integrated processes for producing industrial chemicals, such as alcohols, carboxylic acids, esters, aldehydes, olefins and polymers from biomass. In one embodiment, the invention is to a process comprising the steps of: introducing biomass and an oxygen stream to a gasifier and converting the biomass into a product gas, wherein the gasifier is operated at a pressure of at least 10 bar; compressing the product gas at a compression ratio that is less than 3:1 to form a compressed product gas; directing a first portion of the compressed product gas to an alcohol synthesis reactor to produce methanol; reacting carbon monoxide with the methanol to produce acetic acid; esterifying the acetic acid with ethanol to form ethyl acetate; and reducing the ethyl acetate with hydrogen in the presence of a catalyst to form ethanol. | 06-06-2013 |
| 20130144087 | CO-GASIFICATION OF AQUATIC BIOMASS AND COAL - The invention also relates to co-gasification processes for forming syngas from aquatic biomass and a fossil fuel. In one aspect, the invention is to a process for producing syngas, comprising: introducing aquatic biomass, a fossil fuel, water and oxygen to a gasifier and forming syngas comprising hydrogen, carbon monoxide and carbon dioxide; and feeding aquatic biomass with carbon dioxide derived from the syngas. In other aspects, the invention relates to integrated processes for producing industrial chemicals, such as alcohols, carboxylic acids, esters, aldehydes, olefins and polymers from such syngas. | 06-06-2013 |
| 20130158297 | ESTERIFYING AN ETHANOL AND ACETIC ACID MIXTURE TO PRODUCE AN ESTER FEED FOR HYDROGENOLYSIS - Disclosed herein are processes for alcohol production by hydrogenating acetic acid to obtain a mixture of ethanol and acetic acid, esterifying the mixture to produce an esterification product and reducing the esterification product. The mixture may provide a sufficient amount of ethanol and acetic acid for esterification and reduces the need for additional acetic acid and/or ethanol. This may reduce the recycle of ethanol in the hydrogenolysis process and improve ethanol productivity. | 06-20-2013 |
| 20130158302 | Phasing Reactor Product from Hydrogenating Acetic Acid Into Ethyl Acetate Feed to Produce Ethanol - Disclosed herein are processes for alcohol production by reducing ethyl acetate produced by hydrogenating acetic acid in the presence of a suitable catalyst. The product of the acetic acid hydrogenation is fed directly to a decanter to separate the hydrogenation product into an aqueous phase comprising water and ethanol and an organic phase comprising ethyl acetate. The organic phase is reduced with hydrogen in the presence of a catalyst to obtain a crude reaction mixture comprising the alcohol, in particular ethanol, which may be separated from the crude reaction mixture. Thus, ethanol may be produced from acetic acid through an ethyl acetate intermediate without an esterification step. This may reduce the recycle of ethanol in the hydrogenolysis process and improve ethanol productivity. | 06-20-2013 |
| 20130172614 | PRODUCTION OF ACETIC ACID WITH HIGH CONVERSION RATE - A process for producing acetic acid comprising the steps of reacting carbon monoxide and at least one of methanol and a methanol derivative in a first reactor under conditions effective to produce a crude acetic acid product; separating the crude acetic acid product into at least one derivative stream, at least one of the at least one derivative stream comprising residual carbon monoxide; and reacting at least a portion of the residual carbon monoxide with at least one of methanol and a methanol derivative over a metal catalyst in a second reactor to produce additional acetic acid. | 07-04-2013 |
| 20130172631 | Process for Monitoring Separation of Ethanol Mixture - A process is disclosed for monitoring separation streams of an ethanol purification process, including measuring the concentrations of impurities, monitoring one or more binary streams, or monitoring conductivity in an ethanol containing stream to determine acetic acid concentrations. The ethanol is produced by hydrogenating acetic acid. One or more on-line analyzers may be used to monitor the separation streams. | 07-04-2013 |
| 20130178669 | Cobalt and Tin Hydrogenation Catalysts - The present invention relates to catalysts, to processes for making catalysts and to chemical processes employing such catalysts. The catalysts are preferably used for converting acetic acid and ethyl acetate to ethanol. The catalyst comprises a precious metal, tin and cobalt, wherein molar ratio of cobalt to tin is at least 11:1. | 07-11-2013 |
| 20130178670 | HYDROGENATION CATALYSTS WITH BULK MULTIPLE OXIDATED SUPPORTS - The present invention relates to catalysts, to processes for making catalysts and to chemical processes employing such catalysts. The catalysts are preferably used for converting acetic acid and ethyl acetate to ethanol. The catalyst comprises an extruded modified support, and a precious metal. The processes for making the catalysts comprises modifying the catalyst, extruding the catalyst, and impregnating the precious metal onto the catalyst. | 07-11-2013 |
| 20130184148 | ETHANOL PRODUCTION FROM ACETIC ACID UTILIZING A COBALT CATALYST - A process for the selective production of ethanol by vapor phase reaction of acetic acid over a hydrogenating catalyst composition to form ethanol is disclosed and claimed. In an embodiment of this invention reaction of acetic acid and hydrogen over either cobalt and palladium supported on graphite or cobalt and platinum supported on silica selectively produces ethanol in a vapor phase at a temperature of about 250° C. | 07-18-2013 |
| 20130184500 | Process for Acetal Removal In the Purification of a Crude Ethanol Product - Recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid. Separation and purification processes of the crude ethanol products are employed to allow recovery of ethanol and hydrolyze acetal impurities by the addition of an acid stream. | 07-18-2013 |
| 20130184501 | HYDROGENATION CATALYSTS WITH ACIDIC SITES - The present invention relates to catalysts and to chemical processes employing such catalysts. The catalysts are preferably used for converting acetic acid to ethanol. The catalyst comprises acidic sites and two or more metals. The catalyst has acidic sites on the surface and the balance favors Lewis acid sites. | 07-18-2013 |
| 20130184502 | REDUCED WATER CONTENT PREPARATION PROCESS FOR HYDROGENATION CATALYSTS - The present invention relates to processes for making catalysts, to catalyst prepared by a specific process, and to chemical processes employing such catalysts. The catalysts are preferably used for converting acetic acid to ethanol. The catalyst comprises less than 20% solvent prior to calcining. | 07-18-2013 |
| 20130199084 | Ethanol Compositions - In one embodiment, the present invention is to an ethanol composition comprising at least 92 wt. % ethanol and from 95 wppm to 1,000 wppm isopropanol. | 08-08-2013 |
