Patent application number | Description | Published |
20120010437 | Liquid Esterification For The Production Of Alcohols - Purifying and/or recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid. Separation and purification processes of crude ethanol mixture are employed to allow recovery of ethanol and remove impurities. In addition, the process involves returning acetaldehyde separated from the crude ethanol product to the reactor. | 01-12-2012 |
20120010438 | Reduced Energy Alcohol Separation Process - Recovery of alcohols, in particular ethanol, from a crude ethanol product obtained from the hydrogenation of acetic acid using a reduced energy process. The crude ethanol product may be fed to a distillation column in which a substantial portion of the water is removed with the acetic acid in the residue. The ethanol product is obtained from the distillate. | 01-12-2012 |
20120010443 | Esterification Of Vapor Crude Product In The Production Of Alcohols - Ethanol production process for recovering ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid. Ethanol recovery is improved by esterifying a vapor crude ethanol product to reduce unreacted acetic acid concentration. | 01-12-2012 |
20120010445 | Low Energy Alcohol Recovery Processes - Recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid using various combinations of membranes and/or distillation columns. | 01-12-2012 |
20120030997 | DENATURED FUEL ETHANOL COMPOSITIONS FOR BLENDING WITH GASOLINE OR DIESEL FUEL FOR USE AS MOTOR FUELS - A denatured fuel ethanol composition for blending with fuels, including gasoline and diesel fuel. The composition includes an ethanol composition comprising at least 92 wt. % ethanol; and from 95 wppm to 1,000 wppm isopropanol; and at least 1.96 vol. % fuel denaturant. | 02-09-2012 |
20120036769 | INTEGRATED PROCESS FOR PRODUCING ALCOHOLS FROM A MIXED ACID FEED - Processes for producing alcohols such as ethanol and propanol from a mixed acid feedstock in an integrated process. In one embodiment, the process comprises the step of carbonylating methanol in the presence of a carbonylation catalyst to form a mixed acid feedstock comprising acetic acid and one or more higher acids, preferably comprising propionic acid. The mixed acid feed is hydrogenated in the presence of a hydrogenation catalyst to form a crude alcohol product comprising ethanol and one or more higher alcohols, preferably including propanol. | 02-16-2012 |
20120041075 | ETHANOL COMPOSITIONS - In one embodiment, the present invention is to an ethanol composition comprising at least 85 wt. % ethanol and from 95 wppm to 850 wppm isopropanol. | 02-16-2012 |
20120108842 | Methods for Producing a Vinyl Acetate Composition Having a Low Impurity Content - In one embodiment, the invention is to a method for producing a vinyl acetate composition. The method comprises the step of contacting acetic acid, oxygen, and ethylene under conditions effective to form a crude vinyl acetate composition comprising vinyl acetate, acetic acid, residual oxygen, and water. The method further comprises the step of contacting the crude vinyl acetate composition or a derivative thereof with at least one scavenger to form a treated crude vinyl acetate composition. | 05-03-2012 |
20130090500 | PROCESSES FOR HYDROGENATING ALKANOIC ACIDS USING CATALYST COMPRISING TUNGSTEN - A process hydrogenating alkanoic acids in the presence of a catalyst that comprises supports, one or more metals, tungsten oxide, and at least one alkaline earth metal oxide or metasilicate. The molar ratio of the at least one alkaline earth metal oxide or metasilicate to tungsten oxide, based on the metals, is from 1:3 to 5:1. | 04-11-2013 |
20130158301 | Multiple Vapor Feeds for Hydrogenation Process to Produce Alcohol - The present invention relates to processes for the recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid. The crude ethanol product is separated in a column to produce a distillate stream comprising ethyl acetate, ethanol and acetaldehyde and a residue stream comprising ethanol, acetic acid and water. The ethanol product is recovered from the residue stream. A liquid recycle stream is sent to a second vaporizer to form a second vapor feed stream that is fed to the hydrogenation reactor. | 06-20-2013 |
20130165700 | Catalysts Comprising Secondary Noble Metals and Process for Producing Ethanol - The present invention relates to a catalyst comprising platinum, tin and a secondary noble metal selected from the group consisting of rhodium, palladium, gold and iridium. The catalyst may be on a support. In some embodiments, the support may comprise calcium. The catalyst is used for converting acetic acid to ethanol. | 06-27-2013 |
20130165701 | Catalysts Having Promoter Metals and Process for Producing Ethanol - The present invention relates to a catalyst. The catalyst is used for converting acetic acid to ethanol. The catalyst comprises platinum, tin, a base metal selected from calcium and/or tungsten and a promoter metal selected from barium, potassium and/or cesium. | 06-27-2013 |
20130178664 | 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 to ethanol. The catalyst comprises a precious metal and one or more active metals on a modified support. The modified support may comprise cobalt tungstate. | 07-11-2013 |