| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 568917000 |
By sorption
| 16 |
| 568916000 |
By dehydration
| 16 |
| 568918000 |
By plural liquid phase separation
| 13 |
| 568920000 |
Alkali or alkaline earth metal containing compound utilized | 2 |
| 20100191023 | REMOVING SOLIDS IN MONOETHYLENE GLYCOL RECLAMATION - The seeding of calcium carbonate into a calcium chloride-contaminated monoethylene glycol (MEG) stream accelerates the growth of calcium carbonate particles to a size that enhances their removal from the stream by filtration. A seeding vessel allows the calcium carbonate particles a time period to grow. Sodium carbonate may be added to the contaminated stream to facilitate calcium carbonate particle growth. A recycle seeding conduit may recycle seeds from a filtration unit to the seeding vessel. A base such as sodium hydroxide may be added to accelerate the precipitation process. | 07-29-2010 |
| 20150119609 | CARBOXYLIC ACID SALT REMOVAL DURING HYDRATE INHIBITOR RECOVERY - A method and system for precipitation and separation of carboxylic acid salts from a hydrate inhibitor solution is disclosed. The method comprises lowering the solubility of the carboxylic acid salts to force precipitation of carboxylic acid salts and separation of the precipitated carboxylic acid salts from the hydrate inhibitor solution. | 04-30-2015 |
| 568914000 |
By reduction (e.g., by hydrogenation, etc.) | 2 |
| 20110054225 | METHOD FOR THE PRODUCTION OF FATTY ALCOHOLS - Method for producing fatty alcohols includes splitting vegetable oils and animal fats under pressure into fatty acids and glycerol in counterflow to steam. The reaction product is physically separated into fatty acids and sweet water containing glycerol. The fatty acids are subjected to a distillation, and the separated fatty acid fraction is mixed together with fatty alcohol at 230 to 270° C. and atmospheric pressure. The wax esters obtained by esterification are hydrogenated to fatty alcohols by adding hydrogen on a fixed-bed catalyst, and the reaction product is separated into fatty alcohols and hydrogen. The wax esters are hydrogenated on a fixed bed of uniformly shaped catalyst bodies produced by extrusion, which consist of the main components copper and copper-chromium oxide and the secondary components zinc, aluminum, iron, silicon and alkaline earth elements, at 180 to 220° C. and 70 to 100 bar(a). | 03-03-2011 |
| 20140350308 | Process For Purifying a Stream Comprising 1,4-Butanediol - A crude product stream of 1,4-butandiol and one or more of γ-butyrolactone, 2-(4-hydroxybutoxy)-tetrahydrofuran, 4-hydroxybutyl(4-hydroxybutyrate), and 3-(4-hydroxybutoxy)-tetrahydrofuran is supplied to a first distillation column. A side-draw of 1,4-butanediol and light components is removed, with the light components including at least some of those produced by reaction in the first distillation column. The stream is passed to a hydrogenation zone and subjected to hydrogenation in the presence of a hydrogenation catalyst. A 1,4-butanediol product stream having a reduced content of 2-(4-hydroxybutoxy)-tetrahydrofuran is recovered and passed to a second distillation column operated such that (4-hyroxybutyl)-4-hydroxybutyrate is removed as a bottom stream and a 1,4-butanediol stream is removed as overhead. The overhead stream removed is passed to a third distillation column and a purified 1,4-butanediol stream is recovered. | 11-27-2014 |
| 568922000 |
Heavy metal or aluminum containing compound utilized | 2 |
| 20090156868 | Direct catalytic conversion of cellulose materials to ethanol - Catalytic reactions conducted during acid digestion of cellulose materials, including paper, a wide range of grasses including prairie grass, switch grass, pine wood sawdust, bagasse dried after sugar cane processing, cotton, waste cellulose products and starch materials, are taught for direct conversion to ethanol. The cellulose material is thoroughly wet in concentrated sulfuric acid in the presence of transition metal complexes possessing a degree of symmetry. Ethanol formed during the reaction can be removed by distillation affording a continuous process. | 06-18-2009 |
| 20140213830 | METHOD FOR PRODUCING ABSOLUTE ALCOHOL AND ABSOLUTE ALCOHOL - An object of the present invention is to provide a highly safe absolute alcohol of high quality free from an off-odor and a method for producing the same. | 07-31-2014 |
| 568923000 |
By crystallization of hydroxy compound or by forming hydroxy containing addition compound | 1 |
| 20120108857 | CRYSTALLIZATION UNIT FOR ACRYLIC ACID AND METHOD FOR CRYSTALLIZATION OF ACRYLIC ACID USING THE SAME | 05-03-2012 |
| 568915000 |
By oxidation | 1 |
| 20090216051 | APPARATUS AND METHOD FOR THE REMOVAL OF WATER FROM ETHANOL - An apparatus and method for drying ethanol includes a first reaction chamber for carrying out the removal of water from wet ethanol, a feed inlet for introducing the wet ethanol into the reaction chamber, a product outlet for removing dry ethanol from the reaction chamber, an optional fuel inlet for introducing a fuel into the reaction chamber, and a particulate bed, including sorbent particles, that is disposed within the reaction chamber. In a preferred embodiment, the bed is divided into first and second zones each provided with different size sorbent particles. In another preferred embodiment, the bed contains a mixture of sorbent particles and catalyst particles. The sorbent particles operate to remove water from the wet ethanol and form hydrated-sorbent particles. The catalyst particles operate to promote chemical reaction of the fuel, generating heat that causes removal of water from the hydrated-sorbent particles and regenerating the sorbent particles. | 08-27-2009 |
| Entries |
| Document | Title | Date |
|---|
| 20080249338 | Method for purification of glycerol - A method for purification of glycerol, especially crude glycerol from biodiesel production. The method uses gel-type acidic ion exchange resin beads to separate fatty acid salts and inorganic salts from the crude glycerol. | 10-09-2008 |
| 20090048472 | METHOD FOR PURIFICATION OF GLYCEROL FROM BIODIESEL PRODUCTION - A method for purification of crude glycerol, especially crude glycerol derived from biodiesel production using alkaline catalysts. The method comprises combining the crude glycerol with acid, separating a glycerol layer, and treating the glycerol layer to decolorize it. | 02-19-2009 |
| 20090137851 | Purification of glycerin obtained as a bioproduct from the transesterification of triglycerides in the synthesis of biofuel - Methods for purifying glycerin contaminated with one or more lower boiling alcohols such as methanol, ethanol, straight, branched or cyclic C3-C6 alcohols, and the like. The methods are particularly useful for purifying crude glycerin phases recovered from the synthesis of biofuels. The present invention uses distillation techniques to strip alcohol contaminants from glycerin. In contrast to conventional methods that carry out distillation either under substantially anhydrous or very wet conditions, the present invention carries out distillation in the presence of a limited amount of water, e.g., from about 0.8 to about 5 parts by weight of water per 100 parts by weight of contaminated glycerin to be purified. | 05-28-2009 |
| 20100041926 | LIQUEFIED EXTRACT OF MARINE ALGAE FOR PRODUCING BIO-ETHANOL UNDER HIGH PRESSURE AND METHOD FOR PRODUCING THE SAME - A high-pressure liquefied extract of marine algae for producing bioethanol and a method of producing the liquid extract from marine algae under high pressure, and a method of producing the bioethanol from the high-pressure liquid extract by fermentation with yeast are disclosed. According to the production method of bioethanol using marine algae, the high-pressure liquefied extract can be obtained in high yield and fermentation time can be also reduced. Consequently, the yield of bioethanol is increased. Furthermore, the method gives economical and environmentally friendly values from natural marine algae. | 02-18-2010 |
| 20100069686 | Energy Efficient Separation of Ethanol From Aqueous Solution - The present invention provides methods and systems for extracting ethanol from an ethanol-water solution comprising (1) extracting ethanol from an ethanol-water solution with a first solvent comprising an esterified fatty acid, wherein the esterified fatty acid comprises a hydroxylated fatty acid component and an alcohol component such that the alcohol component is a C | 03-18-2010 |
| 20100160694 | METHANOL PROCESS - A process for the synthesis of methanol comprises: (a) passing a synthesis gas mixture comprising a loop gas and a make-up gas through a first synthesis reactor containing a methanol synthesis catalyst, said reactor cooled by boiling water under pressure, to form a mixed gas containing methanol, (b) cooling the mixed gas containing methanol, (c) passing said cooled mixed gas containing methanol through a second synthesis reactor containing a methanol synthesis catalyst in which further methanol is synthesised to form a product gas stream, (d) cooling said product gas to condense methanol, (e) recovering said methanol and returning unreacted gas as the loop gas to said first synthesis reactor, wherein the mixed gas containing methanol from the first synthesis reactor is cooled in heat exchange with either said loop gas or said make up gas. | 06-24-2010 |
| 20110098516 | MULTI-STAGE PROCESS AND APPARATUS FOR RECOVERING DICHLOROHYDRINS - A process and apparatus for recovering dichlorohydrins from a mixture comprising dichlorohydrins, one or more compounds selected from esters of dichlorohydrins, monochlorohydrins and/or esters thereof, and multihydroxylated-aliphatic hydrocarbon compounds and/or esters thereof, and optionally one or more substances comprising water, chlorinating agents, catalysts and/or esters of catalysts is disclosed. The mixture is distilled or fractionated to separate a lower boiling fraction comprising dichlorohydrin(s) from the mixture to form a higher boiling fraction comprising the residue of the distillation or fractionation. The higher boiling fraction is distilled or fractionated to separate remaining dichlorohydrin(s) from the above mixture to form an even higher boiling fraction comprising the residue of the distillation or fractionation. At least some of the lower boiling fraction and the dichlorohydrin(s) are recovered. Advantages include more efficient recovery of dichlorohydrins for a given distillation column, less waste due to avoiding the conditions conducive to the formation of heavy byproducts, reduced capital investment in recovery equipment, and reduced energy utilization while maintaining the quality of dichlorohydrin product produced and not increasing the amount of undesired byproducts formed. | 04-28-2011 |
| 20110184213 | Fractional Condensation Processes, Apparatuses and Systems - The present invention provides fractional condensation apparatuses, systems and methods that can recover volatile products from highly diluted liquid and vapor feed mixtures with high purity and recovery yield, both in batch and continuous distillation, while being also designed to achieve low-cost and efficient recovery processes. Single apparatuses and columns can be connected to each other to expand or shrink the column length for desired separation. The apparatuses, systems and methods can be applied to separate mixtures with both narrow and wide boiling point ranges. | 07-28-2011 |
| 20110288344 | RECOVERY OF BUTANOL FROM A MIXTURE OF BUTANOL, WATER, AND AN ORGANIC EXTRACTANT - A process for recovering butanol from a mixture comprising a water-immiscible organic extractant, water, butanol, and optionally a non-condensable gas, is provided. The butanol is selected from 1-butanol, 2-butanol, isobutanol, and mixtures thereof. An overhead stream from a first distillation column is condensed to recover a mixed condensate. An entrainer is added to at least one appropriate process stream or vessel such that the mixed condensate comprises sufficient entrainer to provide phase separation of the organic and the aqueous phases to provide for recovery of the butanol. | 11-24-2011 |
| 20110306807 | METHANOL PURIFICATION METHOD AND APPARATUS - The invention relates to a method and apparatus to recover and purify methanol from gases produced in the digester during the kraft pulping process. The gas is typically recovered as a foul gas (called stripper off gas or SOG) comprising methanol, water and various other contaminants. The gas is then treated with successive decanting and distillation steps to remove impurities, thereby producing highly purified methanol. | 12-15-2011 |
| 20110313212 | CONTINUOUS CATALYTIC GENERATION OF POLYOLS FROM CELLULOSE WITH RECYCLE - A catalytic process for generating at least one polyol from a feedstock comprising cellulose is performed in a continuous manner. The process involves, contacting, continuously, hydrogen, water, and a feedstock comprising cellulose, with a catalyst to generate an effluent stream comprising at least one polyol, water, hydrogen, and at least one co-product. The water, hydrogen, and at least one co-product are separated from the effluent stream and recycled to the reaction zone. The polyol is recovered from the effluent stream. | 12-22-2011 |
| 20120004473 | DIVIDING WALL DISTILLATION COLUMNS FOR PRODUCTION OF HIGH-PURITY 2-ETHYLHEXANOL AND FRACTIONATION METHOD USING SAME - There are provided a dividing wall distillation column for producing high-purity 2-ethyl hexanol, and a fractional distillation method using the same. The dividing wall distillation column includes a condenser, a reboiler and a main column having a dividing wall. Here, the main column is divided into a column-top zone, an upper feed zone, an upper outflow zone, a lower feed zone, a lower outflow zone and a column-bottom zone. Also, a crude 2-ethyl hexanol raw material (F) flows in a middle inflow plate NR | 01-05-2012 |
| 20120178976 | PROCESS FOR LIQUID/SOLID SEPARATION OF LIGNOCELLULOSIC BIOMASS HYDROLYSATE FERMENTATION BROTH - When lignocellulosic biomass hydrolysate is included in fermentation medium, the broth resulting from biocatalyst production is complex with low filterability. A heat treatment was found to increase filterability, allowing efficient separation of a liquid fraction from a solid fraction, which is further processed for water recycle and syrup production. | 07-12-2012 |
| 20120232315 | Vapor Compression Steam Stripping - The invention provides systems and methods for the pre-concentration of a target molecule from feed solution comprising a low concentration of the target molecule. | 09-13-2012 |
| 20120245398 | PROCESS FOR THE PURIFICATION OF CRUDE GLYCEROL - Processes for the purification of crude glycerol obtained as a by-product of industrial processes, such as saponification, hydrolysis and transesterification with low chain alcohols of natural oils and fats, is described. Purified glycerol can also be obtained from the treatment of crude glycerol obtained as a by-product of biodiesel production from vegetable oils and animal fats. | 09-27-2012 |
| 20120253086 | METHOD OF PRODUCING BUTANOL - A method of producing butanol, which has a step of removing impurities contained in a butanol-containing solution, is provided. In the method, a butanol-containing solution is filtered through a nanofiltration membrane. Then the butanol-containing solution is collected from the permeate flow of the nanofiltration membrane. | 10-04-2012 |
| 20120283489 | REMOVAL OF WATER FROM FLUIDS - A method of removing water from fluid mixtures of the water with other compounds uses selective vapor permeation or pervaporation of the water, as the case may be, from the mixture through a membrane having an amorphous perfluoropolymer selectively permeable layer. The novel process can be applied in such exemplary embodiments as (a) removing water from mixtures of compounds that have relative volatility of about 1-1.1 or that form azeotropic mixtures with water, (b) the dehydration of hydrocarbon oil such as hydraulic fluid to concentrations of water less than about 50 ppm, (c) removing water byproduct of reversible chemical equilibrium reactions to favor high conversion of reactants to desirable products, (d) drying ethanol to less than 0.5 wt. % water as can be used in fuel for internal combustion engines, and (e) controlling the water content to optimum concentration in enzyme-catalyzed chemical reactions carried out in organic media. | 11-08-2012 |
| 20120310018 | ZEOLITIC IMIDAZOLATE FRAMEWORK MEMBRANES AND METHODS OF MAKING AND USING SAME FOR SEPARATION OF C2- AND C3+ HYDROCARBONS AND SEPARATION OF PROPYLENE AND PROPANE MIXTURES - Certain embodiments are directed to processes for fabrication of zeolitic imidazolate framework (ZIF) membranes. These ZIF membranes can be used in separating C2-hydrocarbons from C3+ hydrocarbons and propylene/propane mixtures. | 12-06-2012 |
| 20120323051 | CO-PRODUCTION OF BIOFUELS AND GLYCOLS - Methods and systems for co-producing higher hydrocarbons and glycols from bio-based feedstocks containing carbohydrates are disclosed. | 12-20-2012 |
| 20120323052 | EVAPORATOR, EVAPORATION METHOD AND SUBSTRATE PROCESSING APPARATUS - Disclosed are an evaporator, an evaporation method, and a substrate processing apparatus, which can increase the concentration of generated vapor of an organic solvent and efficiently heat the organic solvent. The evaporator includes a fluid tube, a liquid organic solvent supply device for supplying the organic solvent liquid to one end of the fluid tube, and heating units for heating the fluid tube. The fluid tube has a cross section that increases from the one end to the other end. When the organic solvent liquid supplied to one end of the fluid tube is heated, the organic solvent vapor is discharged from the other end of the fluid tube. The substrate processing apparatus includes the above-described evaporator. | 12-20-2012 |
| 20130066119 | METHOD AND APPARATUS FOR THE SEPARATION OF A LIQUID FROM A GAS FEED STREAM IN A CATALYTIC REACTOR - Method and apparatus for separating a liquid reaction product from a gaseous stream in a catalytic reactor by means of a metallic sheet being indirectly cooled by a cooling surface and having a plurality of percolations in form of geometric-shaped protrusions on both sides of the sheet each with an open base, the open base is on the side of the sheet facing a catalyst bed are arranged upwards and on the side facing the cooling surface the open base faces downwards. | 03-14-2013 |
| 20130184503 | MEMBRANE HAVING A PORE-FREE SEPARATING LAYER AND USE AND METHOD OF MANUFACTURING A MEMBRANE - The invention relates to a membrane having a pore-free separating laye | 07-18-2013 |
| 20130197279 | Water and Contaminants Removal from Butanol Fermentation Solutions and/or Broths Using a Brine Solution - A process for removal of water and other selected containments from butanol fermentation broths which is achieved by continuous extraction with a concentrated salt solution with a regulated pH value. This process greatly reduces distillation energy and losses for the final purification of butanol (normal or iso-). Furthermore, this process allows for generation of sufficiently pure biobutanol (>97%) for use in a subsequent chemical process. | 08-01-2013 |
| 20130204051 | Method And Apparatus For Heat Restoration In A Pervaporation Process Concentrating Ethanol - The invention relates to a method and an apparatus for dewatering mixture of ethanol and water. The method for dewatering mixture of ethanol and water in a pervaporation process arranged to dewater ethanol, to the retentate, from water as enriched to the permeate. In the method at least one of the streams of the permeate that is about to be cooled, before the entry of the stream into a vaporizer ( | 08-08-2013 |
| 20130217926 | COMPOSITE MEMBRANE - A method of forming a composite membrane ( | 08-22-2013 |
| 20130317259 | PROCESS FOR PRODUCING VOLATILE ORGANIC COMPOUNDS FROM BIOMASS MATERIAL - Embodiments of the present invention provide for production and recovery of ethanol or other volatile organic compounds, such as acetic acid, from solid biomass material. One embodiment comprises introducing a biomass material to a compartment of a solventless recovery system, wherein the biomass material contains one or more volatile organic compounds; contacting the biomass material with a superheated vapor stream in the compartment to vaporize at least a portion of an initial liquid content in the biomass material, said superheated vapor stream comprising at least one volatile organic compound; separating a vapor component and a solid component from the heated biomass material, said vapor component comprising at least one volatile organic compound; and retaining at least a portion of the gas component for use as part of the superheated vapor stream. | 11-28-2013 |
| 20140066668 | METHOD AND APPARATUS FOR PROCESSING GLYCOL - Methods and apparatus for processing glycol according to various aspects of the present technology comprise a multi-stage treatment system that is configured to receive a feedstock from multiple waste stream sources containing glycol. A pre-treatment stage may be configured to process the incoming the feedstock and provide to a primary treatment stage a water/glycol solution that is substantially identical and allows for a primary treatment process that is not dependent upon the originating source of the glycol feedstock. A post-treatment stage may further process and purify the water/glycol solution. | 03-06-2014 |
| 20140073820 | PROCESSES AND SYSTEMS FOR THE FERMENTATIVE PRODUCTION OF ALCOHOLS - The present invention relates to the fermentative production of alcohols including ethanol and butanol, and processes for improving alcohol fermentation employing in situ product removal methods. | 03-13-2014 |
| 20140142352 | BUTANOL PURIFICATION - Provided herein are processes for adjusting a fermentation medium to reduce the activity of one or more carboxylic acids. The processes comprise (a) providing a recombinant microorganism comprising an engineered butanol biosynthetic pathway, (b) contacting the recombinant microorganism with a fermentation medium whereby butanol is produced and wherein the fermentation medium comprises one or more carboxylic acids, and (c) adjusting the fermentation medium to reduce the activity of the one or more carboxylic acids. Also provided are processes for reducing the activity of one or more carboxylic acids in a feed. The processes comprise (a) providing a feed from a fermentation vessel, wherein the feed comprises a composition produced by a recombinant microorganism comprising an engineered butanol biosynthetic pathway, wherein the composition comprises butanol, water, and one or more carboxylic acids; and (b) adjusting the feed, wherein adjusting the feed reduces the activity of the one or more carboxylic acids. | 05-22-2014 |
| 20140155658 | METHOD FOR DESORBING AND REGENERATING BUTANOL-ADSORBING HYDROPHOBIC MACROPOROUS POLYMER ADSORBENT - The present invention provides a method for desorbing and regenerating a butanol-adsorbing hydrophobic macroporous polymer adsorbent, comprising: successively eluting the hydrophobic macroporous polymer adsorbent with butanol adsorbed therein using a water soluble low-boiling-point polar solvent and water. After a butanol-containing solution, such as a butanol fermentation liquor, has been adsorbed by a hydrophobic macroporous polymer adsorbent, the butanol adsorbed in the adsorbent can be thoroughly dissolved and removed by the desorption and regeneration method of the present invention; furthermore, the adsorbent can be directly regenerated to recover its adsorption capability on a fixed bed adsorbing the butanol fermentation liquor, wherein the next stage of adsorption process can be directly entered without taking the adsorbent out from the fixed bed; therefore it saves a great deal of time and improves the regeneration efficiency. The method provided in the present invention has a simple process, a short separation time, easy, fast and complete desorption and regeneration, low equipment investmentand pollution, and reduced energy consumption, and therefore production is easy on a large scale. | 06-05-2014 |
| 20140221701 | EXTRACTION OF FUSEL ALCOHOLS FROM ETHANOL FERMENTATION PRODUCTS - An improved process for extracting fusel alcohols and/or fusel alcohol esters from an ethanol fermentation product involves adding to the fermentation product an extractant solvent selected from amyl alcohols, amyl acetates, and mixtures thereof to produce a two-phase system including a water and alcohol phase, and an immiscible second phase comprised of amyl alcohols, amyl acetates or a mixture thereof. Thereafter, the first and second phases can be separated to obtain a first phase depleted of fusel alcohols and/or esters of fusel alcohols and a second phase containing fusel alcohols and/or esters of fusel alcohols extracted from the first phase. | 08-07-2014 |
| 20140303408 | METHOD FOR PRODUCTION OF BUTANOL USING EXTRACTIVE FERMENTATION - Provided herein are methods for recovering butanol from a fermentation medium. The methods comprise providing a fermentation medium comprising butanol, water, and a recombinant microorganism comprising a butanol biosynthetic pathway, wherein the recombinant microorganism produces butanol; contacting the fermentation medium with a water immiscible organic extractant composition comprising a dry solvent to form a butanol-containing organic phase and an aqueous phase; and recovering the butanol from the butanol-containing organic phase. | 10-09-2014 |
| 20150105593 | PROCESS FOR PRODUCING VOLATILE ORGANIC COMPOUNDS FROM BIOMASS MATERIAL - Embodiments of the present invention provide for production and recovery of ethanol or other volatile organic compounds, such as acetic acid, from solid biomass material. One embodiment comprises introducing a biomass material to a compartment of a solventless recovery system, wherein the biomass material contains one or more volatile organic compounds; contacting the biomass material with a superheated vapor stream in the compartment to vaporize at least a portion of an initial liquid content in the biomass material, said superheated vapor stream comprising at least one volatile organic compound; separating a vapor component and a solid component from the heated biomass material, said vapor component comprising at least one volatile organic compound; and retaining at least a portion of the vapor component for use as part of the superheated vapor stream. | 04-16-2015 |
| 20150343391 | Organic Solvent Purifier And Method Of Using - A purifier for removing metal, such as chromium, from an organic solvent is disclosed. The purifier comprises a housing having a fluid inlet and a fluid outlet in fluid communication with the fluid inlet; a volume of ion-exchange resin disposed within the housing downstream of the fluid inlet; and a filtration member downstream of the volume of ion-exchange resin, the filtration member comprising at least one microporous membrane having a substantially neutral surface and a microporous polytetrafluoroethylene membrane downstream of the at least one microporous membrane. A method for removing metal, including chromium, from an organic solvent using a purifier of the invention is also disclosed. | 12-03-2015 |
| 20150376096 | METHOD FOR PRODUCING BUTANOL USING EXTRACTIVE FERMENTATION - The invention relates to a method for producing butanol through microbial fermentation, in which the butanol product is removed by extraction into a water immiscible organic extractant composition during the fermentation. The invention also relates to a method for producing butanol through microbial fermentation, in which the butanol product is removed during the fermentation by extraction into a water-immiscible extractant composition comprising a first solvent having a butanol partition coefficient of at least 3, and a second solvent having a butanol partition coefficient, wherein the butanol partition coefficient of the first solvent is higher than the butanol partition coefficient of the second solvent. Optionally, the first solvent has a higher concentration of hydrogen bonding sites than the second solvent. The invention further relates to a composition including butanol in the water immiscible organic extractant composition described above. | 12-31-2015 |
| 20160002132 | METHOD FOR PRODUCING BUTANOL USING EXTRACTIVE FERMENTATION - Provided herein are methods for recovering butanol from a fermentation medium. The methods comprise providing a fermentation medium comprising butanol, water, and a recombinant microorganism comprising a butanol biosynthetic pathway, wherein the recombinant microorganism produces butanol; contacting the fermentation medium with a water immiscible organic extractant composition comprising a dry solvent to form a butanol-containing organic phase and an aqueous phase; and recovering the butanol from the butanol-containing organic phase. | 01-07-2016 |
| 20160016870 | METHOD FOR PRODUCING BUTANOL USING EXTRACTIVE FERMENTATION - The invention relates to a method for producing butanol through microbial fermentation, in which the butanol product is removed by extraction into a water immiscible organic extractant during the fermentation. The invention also relates to a method for producing butanol through microbial fermentation, in which the butanol product is removed during the fermentation by extraction into a water-immiscible extractant composition. The invention further relates to compositions comprising a solution of butanol in a water immiscible organic extractant composition. | 01-21-2016 |
| 20160083320 | CONTINUOUS SOLID-STATE SEPARATION DEVICE AND PROCESS FOR PRODUCING FUEL ETHANOL - The present invention belongs to the technology field of microbial fermentation of the sugar-containing raw materials for producing fuel ethanol. It specifically relates to a continuous separation device and process for producing fuel ethanol. The device is continuous distillation device, and is improvement of the distillation device in the prior art. The present invention utilizes a continuous ethanol separation process, which can make full use of fermentable sugar of the sweet sorghum straw (or sugar cane, sugar beet), increase ethanol yield, change the traditional mode of production, truly realize continuous ethanol separation process; and the waste materials produced in the procedure of distillation can be used either as fuel, or as animal feed, and this not only saves the cost, but also is greatly significant in environmental protection. | 03-24-2016 |
| 20160107964 | METHOD FOR CONDENSING WATER-SOLUBLE ORGANIC MATTER AND DEVICE FOR CONDENSING WATER-SOLUBLE ORGANIC MATTER - A method and a device for condensing a water-soluble organic matter, which can collect a highly concentrated water-soluble organic matter, save energy, and reduce cost of the device by reducing a membrane area. | 04-21-2016 |
| 20160122267 | METHOD FOR PRODUCING BIO-METHANOL AT PULP MILLS - The present invention describes a process and system of producing methanol from methanol condensates. In a preferred embodiment the condensates are biomethanol condensates from chemical pulp mills and various waste sources used to produce a purified biomethanol. Pulp condensates are rich in methanol and contain many other contaminants. Presently, most chemical pulp mills, such as Kraft pulp mills use steam stripping to remove and concentrate the methanol and burn the methanol onsite along with the contaminants. A combination of treatments that include air stripping, steam stripping, distillation and reverse osmosis is described to obtain purified biomethanol suitable for sale or use on site. | 05-05-2016 |
| 20160200650 | METHOD FOR PURIFYING ISOPROPYL ALCOHOL | 07-14-2016 |
| 20160200651 | Methanol Purification Method and Apparatus | 07-14-2016 |
