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9040748 Hydrocarboxylation of aqueous formaldehyde using a dehydrating recycle stream to decrease water concentration  
Disclosed is a process for the production and purification of glycolic acid or glycolic acid derivatives by the carbonylation of aqueous formaldehyde. The water in the hydrocarboxylation zone is...
9040443 Catalysts for making ethanol from acetic acid  
Catalysts and processes for forming catalysts for use in hydrogenating acetic acid to form ethanol. In one embodiment, the catalyst comprises a first metal, a silicaceous support, and at least one...
9040757 Synthesis of high caloric fuels and chemicals  
In one embodiment, the present application discloses methods to selectively synthesize higher alcohols and hydrocarbons useful as fuels and industrial chemicals from syngas and biomass. Ketene and...
9029614 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...
9024087 Process for making ethanol from acetic acid using acidic catalysts  
A process for selective formation of ethanol from acetic acid by hydrogenating acetic acid in the presence of a catalyst comprises a first metal on an acidic support. The acidic support may...
9024083 Process for the production of ethanol from an acetic acid feed and a recycled ethyl acetate feed  
The present invention produces ethanol in a reactor that comprises a catalyst composition and a feed stream comprising acetic acid and a recycled liquid stream comprising ethyl acetate. The...
9024085 Process to reduce ethanol recycled to hydrogenation reactor  
The present invention is directed to processes for recovering ethanol obtained from the hydrogenation of acetic acid. Acetic acid is hydrogenated in the presence of a catalyst in a hydrogenation...
9024082 Using a dilute acid stream as an extractive agent  
Recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid using an extractive distillation column. A diluted acid stream, comprising less than 30 wt. % acetic...
9024088 Hydrogenation catalysts comprising a mixed oxide comprising nickel  
A process is disclosed for producing ethanol comprising contacting acetic acid and hydrogen in a reactor in the presence of a catalyst comprising a binder and a mixed oxide comprising nickel and tin.
9024084 Reduced energy alcohol separation process having controlled pressure  
The present invention is directed to processes for the recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid using a low energy process. The crude ethanol...
9024086 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...
9024089 Esterification process using extractive separation to produce feed for hydrogenolysis  
Disclosed herein are processes for alcohol production by reducing an esterification product, such as ethyl acetate. The processes comprise esterifying acetic acid and an alcohol such as ethanol to...
9000232 Extractive distillation of crude alcohol product  
Recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid using an extractive distillation column. The column yields a first residue that comprises ethanol,...
9000237 Ethanol refining process using intermediate reboiler  
The present invention relates to processes for producing and recovering ethanol using an intermediate reboiler. An intermediate stream may be withdrawn from a removal zone of a distillation column...
9000234 Calcination of modified support to prepare hydrogenation catalysts  
The present invention relates to a catalyst having an amorphous support and one or more active metals. The amorphous support may comprise a support material and an amorphous support modifier,...
9000233 Process to recover alcohol with secondary reactors for hydrolysis of acetal  
A process for recovering ethanol obtained from the hydrogenation of acetic acid. The crude ethanol product is separated in a column to produce a distillate stream comprising acetaldehyde and ethyl...
9000235 Extractive distillation of crude alcohol product  
Recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid using an extractive distillation column. The column yields a residue that comprises ethanol, acetic...
8993815 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...
8981164 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...
8980789 Modified catalyst supports  
The present invention relates to modified catalyst supports, to processes for making modified catalyst supports, and to chemical processes employing catalysts that comprise such modified catalyst...
8975453 Catalytic conversion of glycerol or acetol to alcohols  
The catalytic conversion of glycerol or acetol to alcohols, such as polyhydric alcohols like propylene glycol and simple alcohols like methanol and ethanol, without the addition of external...
8975452 Process for producing ethanol by hydrocarbon oxidation and hydrogenation or hydration  
Hydrocarbons are oxidized to ethylene and/or oxygenates that comprise acetic acid. The acetic acid may be converted to ethanol by hydrogenation. The ethylene may be converted to ethanol by hydration.
8975200 Hydrogenation catalysts with cobalt-modified 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 to...
8957263 Process for recovering ethanol with sidedraws to regulate C3+ alcohols concentrations  
Purification and/or recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid. Separation and purification processes of a crude ethanol mixture are employed...
8957262 Olefin hydration for hydrogenation processes  
Processes for contacting an olefin feed stream, preferably comprising ethylene, with at least one stream from an ethanol production process that comprises water. The hydration reaction produces...
8946490 Process for producing fatty alcohols by hydrogenation of fatty acid triglycerides on a copper-containing heterogeneous catalyst  
The present invention relates to a process for preparing fatty alcohols, in which a stream comprising at least one fatty acid triglyceride is provided and this stream is subjected to a...
8937203 Multifunctional hydrogenation catalysts  
The present invention relates to catalysts, to processes for making catalysts and to chemical processes employing such catalysts. The multifunctional catalysts are preferably used for converting...
8933278 Process for producing ethanol and reducing acetic acid concentration  
A process for producing ethanol and, in particular, to a process for reducing the concentration of acetic acid in a crude ethanol product by esterifying unreacted acetic acid with an alcohol.
8927783 Recovering ethanol with sidestreams to regulate C3+ alcohols concentrations  
This invention relates to purification and/or recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid. Separation and purification processes of a crude...
8927784 Process to recover alcohol from an ethyl acetate residue stream  
Recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid using a low energy process. The crude ethanol product is separated in a column to produce a...
8927790 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...
8927781 Method for producing ethanol  
A method for producing ethanol by which ethanol can be synthesized from less fermentable biomass materials such as plant-derived materials and rice straws and industrial waste biomass materials...
8927785 Treatment of recycle gas from acid hydrogenation  
In a process for producing ethanol, acetic acid is contacted with hydrogen in a reaction zone in the presence of a hydrogenation catalyst to form a crude ethanol product comprising ethanol,...
8927789 Synthesis of high caloric fuels and chemicals  
In one embodiment, the present application discloses methods to selectively synthesize higher alcohols and hydrocarbons useful as fuels and industrial chemicals from syngas and biomass. Ketene and...
8927788 Process to recover alcohol with reduced water from overhead of acid column  
A process for recovering ethanol obtained from the hydrogenation of acetic acid. The crude ethanol product is separated in a column to produce a distillate stream comprising acetaldehyde and ethyl...
8927780 Process for removing aldehydes from ethanol reaction mixture  
A process for purifying an ethanol stream that comprises byproduct, such as aldehyde, acetals, and/or esters, but withdrawing a sidestream comprising ethanol from a distillation column. The...
8927787 Process for controlling a reboiler during alcohol recovery and reduced ester formation  
The present invention is related to processes for the separation of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid. The crude ethanol product is separated in...
8927782 Vapor separation in alcohol production  
Two or more vapor-liquid separators are used in a process for removing at least one non-condensable gas from a crude alcohol mixture prepared by hydrogenating alkanoic acid and/or esters thereof....
8927786 Ethanol manufacturing process over catalyst having improved radial crush strength  
Acetic acid is hydrogenation in the presence of a catalyst comprising one or more active metals on a silica support, wherein the catalyst has a radial crush strength of at least 4 N/mm. The one or...
8921433 Process for the conversion of synthesis gas to oxygenates containing C2+ alcohols  
Process for the conversion of carbon oxide(s) and hydrogen containing feedstocks into alcohols in the presence of a particulate catalyst.
8907140 Process for the production of alcohol from a carbonaceous feedstock  
The present invention relates to an improved process for the production of ethanol from a carbonaceous feedstock; wherein the carbonaceous feedstock is first converted to synthesis gas which is...
8907143 Process for producing ethanol by hydrogenating mixed feeds comprising water  
The processes of the current invention relate to the production of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid and ethyl acetate. Conversion of ethyl...
8907139 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...
8907142 Process for promoting catalyst activity for ethyl acetate conversion  
The process of the current invention relates to the production of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid and ethyl acetate in the presence of a...
8901358 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...
8895786 Processes for increasing alcohol production  
A process for reducing ethyl acetate and/or diethyl acetal concentration of a crude ethanol product by hydrolysis is disclosed. A portion of the water is initially separated from the crude ethanol...
8889923 Synthesis of ethanol from biomass  
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...
8884079 Reducing impurities in hydrogenation processes with multiple reaction zones  
In a hydrogenation processes, a second lower temperature hydrogenation reactor is used to control the concentration of impurities, namely ethyl acetate, acetaldehyde, and acetal, prior to...
8884081 Integrated process for producing acetic acid and alcohol  
The present invention relates generally to processes for producing ethanol and acetic acid and, in particular, to a process for integrating an ethanol production process with an acetic acid...
8884078 Process for producing fatty alcohols from fatty acids  
In a process for the production of fatty alcohol(s) a fatty acid or fatty acid mixture is subjected to esterification with a lower alkanol to form a stream comprising the corresponding lower alkyl...
Matches 1 - 50 out of 401 1 2 3 4 5 6 7 8 9 >