|
Match
|
Document |
Document Title |
|
|
8172987 |
Low-energy extractive distillation process for dehydration of aqueous ethanol
An energy-efficient extractive distillation process for producing anhydrous ethanol from aqueous/ethanol feeds containing any range of ethanol employs an extractive distillation column (EDC) that...
|
|
|
8128826 |
Ethanol processing with vapour separation membranes
A process for separating vapors, for example for separating water from ethanol, uses a gas separation membrane unit. Permeate from the membrane unit is compressed and may be used for example as...
|
|
|
8128787 |
Membrane-augmented distillation with pressure change to separate solvents from water
Processes for removing water from organic solvents, such as ethanol. The processes include distillation in two columns operated at sequentially higher pressure, followed by treatment of the...
|
|
|
8114255 |
Membrane-augmented distillation with compression to separate solvents from water
Processes for removing water from organic solvents, such as ethanol. The processes include distillation in two columns operated at sequentially higher pressure, followed by treatment of the...
|
|
|
8101217 |
Method for ethanol production and extraction
A method includes operating an apparatus having a mash circulating and recirculating system with pump and fermentation tank, an atmosphere circulating and recirculating system with blower for...
|
|
|
8080139 |
Method of anhydrous ethanol production using circulation by multiple towers alternation
The present invention relates to a method of anhydrous ethanol production using circulation by multiple towers' alternation, the procedure includes the steps of heating, adsorption, internal...
|
|
|
8002953 |
Low-energy extractive distillation process for dehydration of aqueous ethanol
An energy-efficient extractive distillation process for producing anhydrous ethanol from aqueous/ethanol feeds containing any range of ethanol employs an extractive distillation column (EDC) that...
|
|
|
7988831 |
Method for purifying an aqueous patassium hydroxide solution having rich silicon impurities
A method for purifying an aqueous potassium hydroxide solution having rich silicon impurities has been disclosed in the invention, which is particularly related to a method that utilizes a...
|
|
|
7985580 |
Apparatus for the production of alcohol
The aim of the invention is to produce alcohol from plant-based raw materials while reducing energy consumption. Said aim is achieved by separating the husk portion of cereals during grinding and...
|
|
|
7867365 |
Ethanol distillation with distillers soluble solids recovery apparatus
The present invention relates to a system for producing ethanol from an organic source and that operates to purify and dry ethanol from a beer source. The system for producing substantially...
|
|
|
7744727 |
Distillation method
A method for distilling ethanol from a mash includes feeding a fluid to a first distillation column. The fluid and a distillate of the first distillation column are delivered to a second...
|
|
|
7666282 |
Process for providing ethanol
The invention is a process for the purification of ethanol. In one embodiment the process includes boiling a degassed beer feed (106) in a pre-boiler (110) to provide a vapor by-pass fraction (112)...
|
|
|
7594981 |
Method for concentrating water-soluble organic material
A method for concentrating a water-soluble organic material wherein a mixture of the water-soluble organic material with water is distilled in a distillation column (11), and the fraction from the...
|
|
|
7553397 |
Process
A process is described for the recovery of substantially pure ethyl acetate from a feedstock including ethyl acetate, ethanol and water. The process includes supplying the feedstock to a first...
|
|
|
7507273 |
Chromatographic rectification of ethanol
A scalable technology for purifying ethanol, wherein the vaporization of ethanol is coupled with a chromatographic rectification process comprising feeding a vaporized ethanol/water mix onto a...
|
|
|
7479227 |
Liquid-phase separation of low molecular weight organic compounds
A process for separating a component from a low molecular weight organic mixture by pervaporation. The process uses fluorinated membranes and is particularly useful for treating mixtures containing...
|
|
|
7291250 |
Vacuum distillation system and use thereof for concentrating organic-aqueous solvent mixtures
The present invention relates to a vacuum distillation plant and a process for concentrating organic aqueous solutions, especially spissum extracts, using said plant. The vacuum distillation plant...
|
|
|
7232878 |
Polymer treatment for separating volatile material
A process for the separation of volatile material from particulate polymer which has been substantially freed from unreacted monomer in an earlier separation step, comprising (a) feeding the...
|
|
|
7070694 |
Purification of fluid compounds utilizing a distillation - membrane separation process
Apparatus and processes are disclosed for economical separation of fluid mixtures. Broadly, apparatus of the invention is an integrated fractional distillation and perm-selective membrane...
|
|
|
6964728 |
Separation process
Bisphenol-A-bis(neopentylglycolphosphate) products of enhanced properties and processes for preparing them are described. One of the processes includes (a) mixing and reacting neopentyl glycol and...
|
|
|
6755975 |
Separation process using pervaporation and dephlegmation
A process for treating liquids containing organic compounds and water. The process includes a pervaporation step in conjunction with a dephlegmation step to treat at least a portion of the permeate...
|
|
|
6414205 |
Process for the removal of MAPD from hydrocarbon streams
A process for the selective hydrogenation of the methyl acetylene and propadiene (MAPD) in a propylene rich stream is disclosed wherein the selective hydrogenation is carried out stepwise (a) first...
|
|
|
6375807 |
Separation of ethanol mixtures by extractive distillation
A method of separating ethanol and ethyl acetate, and ethanol and water involves distilling a mixture of the components by an extractive distillation process in the presence of an extractive...
|
|
|
6093845 |
Ester co-production
This invention relates to a process for the simultaneous co-production of ethyl acetate and n-butyl acetate. The process involves reacting a reaction mixture of ethanol, n-butanol and acetic acid...
|
|
|
5932182 |
Reactor for high temperature, elevated pressure, corrosive reactions
Reactor for containing high pressure, high temperature, corrosive reactions, especially supercritical water reactions. The reactor comprises an inner reactor vessel which houses the corrosive...
|
|
|
5800681 |
Separation of ethanol, isopropanol and water mixtures by extractive distillation
Ethanol, isopropanol and water cannot be separated from each other by distillation or rectification because of minimum azeotropes. They are readily separated by extractive distillation. Effective...
|
|
|
5766895 |
Method for production of ethyl alcohol
The invention describes a method for the economic production of ethyl alcohol involving dehydration of the alcohol in an adsorption-desorption process using ion exchange resins which have been...
|
|
|
5624534 |
Volatiles separator and concentrator
An apparatus and method for stripping volatiles from a feed stream and concentrating the volatiles in the overhead vapors forming a condensate product and simultaneously producing a low percent...
|
|
|
5585527 |
Continuous distillation and membrane process
A process for separating a first component of a process stream from a second component of a process stream in a single vessel has been developed. The separation process uses an apparatus having a...
|
|
|
5348624 |
Process for separating ethyl tert-butyl ether and ethanol
For separating ETBE and ethanol the following principal stages are employed:(1) Extraction of ethanol by water, the raffinate being ETBE saturated in water and the extract an ethanol/water mixture...
|
|
|
5294304 |
Process for the recovery of absolute ethanol by vapor compression extractive distillation
This invention relates to a process for the production of absolute alcohol from aqueous alcohol, whereby saving of energy to a greater extent is rendered possible in a more simple process, as...
|
|
|
5124004 |
Distillation process for ethanol
A method of distillation employing a heat pump (which may be driven by a compressor) using a vapor stream from within the distillation system as a heat source and a liquid stream from within the...
|
|
|
5059327 |
Cross-linked separation membrane and process for pervaporation
A preparation membrane for pervaporation which comprises a crosslinked reaction mixture of a polyvinyl alcohol or polyvinyl alcohol copolymer and a polystyrene sulfonic acid or polystyrene sulfonic...
|
|
|
5035776 |
Low energy extractive distillation process for producing anhydrous ethanol
A thermally-integrated extractive distillation process for recovering anhydrous ethanol from fermentation or synthetic feedstocks has a distillation train of four columns. Two columns are...
|
|
|
4983303 |
Method of separating a particular component from its liquid solution
A novel method of separating a particular component from its liquid solution by the use of a vessel divided into a solution chamber receiving the liquid solution and a vacuum chamber by a permeable...
|
|
|
4978430 |
Method for dehydration and concentration of aqueous solution containing organic compound
An improved method for dehydration and concentration of an aqueous solution containing an organic compound is disclosed. The solution is evaporated to produce a gaseous mixture comprising an...
|
|
|
4956052 |
Process for separation using supercritical fluid
A process for separation of components of a mixture of more than one organic substance or of a mixture of at least one organic substance and water by extraction using a supercritical fluid as an...
|
|
|
4952503 |
Process for the production of ethanol
In the production of ethanol by continuous fermentation in a fermentor (4) with continuous stillage recirculation (19, 20) to the fermentor, the fermentation liquid (6) continuously withdrawn from...
|
|
|
4944881 |
Liquid separation membrane for pervaporation
A liquid separation membrane for pervaporation composed of a polymeric substance having in the main chain a glycosidic skeleton containing cationic groups and/or anionic groups at least some of...
|
|
|
4900402 |
Pervaporation process of separating a liquid mixture
A pervaporation process for separating at least one component from a mixture of liquids, for example for separating ethanol from a fermentation mass, by a series of three separation steps:...
|
|
|
4895989 |
Process for producing alkali metal alcoholates
A process is described for the production of alcoholates from alkali metal hydroxides and aliphatic alcohol which in their molecule contain 1 to 6 carbon atoms. The alcoholates are produced in that...
|
|
|
4877533 |
Separation of water from organic fluids
Water is separated from a less hydrophilic fluid by contacting the mixture with one face of a membrane having an active layer which consists essentially only of polymers of an unsaturated organic...
|
|
|
4875980 |
Method for separating and concentrating an organic component from an aqueous solution containing same
Disclosed is a method for separating and concentrating an organic component having a lower boiling point than water from an aqueous solution containing the organic component which comprises the...
|
|
|
4834841 |
Method for treating baking oven stack gases
The improved method and apparatus treats the stack gases from a commercial bakery oven to remove and recover pollutants, specifically ethyl alcohol. The method includes the steps of cooling the...
|
|
|
4784868 |
Potable spirit production
A method of producing a potable spirit comprises removing water from a fermented wash containing ethanol, water and congeners to produce a substantially water-free mixture of ethanol and congeners,...
|
|
|
4769112 |
Method for removing water from ethanol
A method and apparatus for removing water from a liquid mixture of water and ethanol contacts it with liquid carbon dioxide so that the ethanol is preferentially transferred into solution, dries...
|
|
|
4746610 |
Efficient use of thermal energy from an internal combustion engine in ethanol production
An ethanol-producing plant and a method is provided for producing ethanol from sugars, starches, or cellulose. Some ethanol-producing plants consume more thermal energy than they produce. The...
|
|
|
4744868 |
Distillation column and method
A stripping column is comprised of one or more mixing channels situated in parallel arrangement, each channel in the form of a zigzag strip through which liquid cascades in a series of falls...
|
|
|
4743343 |
Method of regenerating alcohol-based antifreezing liquid
This invention relates to a method of regenerating an alcohol-based antifreezing liquid, and more particularly to a method of concentrating and regenerating an alcohol-based antifreezing liquid...
|
|
|
4715932 |
Method to separate polar organic compounds, in particular aliphatic alcohols, from fermentation fluids
This invention relates to a method for separating organic compounds, particularly lower aliphatic alcohols from fermentation fluids. This is accomplished by the use of a two-step extraction process...
|