Patent application number | Description | Published |
20090054716 | PROCESS FOR PRODUCING LOWER OLEFINS FROM HYDROCARBON FEEDSTOCK UTILIZING PARTIAL VAPORIZATION AND SEPARATELY CONTROLLED SETS OF PYROLYSIS COILS - A process for making lower olefins from a wide boiling range hydrocarbon feed by use of a combination of one or more vapor/liquid separation devices, and then pyrolytically cracking the vapor phase in separate sets of pyrolysis radiant tubes, thereby producing a higher level of lower olefin product. | 02-26-2009 |
20110127197 | CLOSED LOOP SOLVENT EXTRACTION PROCESS FOR OIL SANDS - The present invention is directed to a method comprising contacting an oil sand with a suitable solvent to generate a solvated oil sand slurry; separating solvent-diluted bitumen from the solvated oil sand slurry to generate (a) a solvent-diluted bitumen and (b) a slurry with increased solids concentration; and filtering the slurry with increased solids concentration. The method of the present invention may be used to produce a low ash bitumen product and dry tailings from oil sands. | 06-02-2011 |
20110178349 | METHOD OF TREATING A HYDROCARBON STREAM COMPRISING CYCLOPENTADIENE AND ONE OR MORE DIOLEFINS - A method of treating a hydrocarbon stream comprising cyclopentadiene (CPD) and one or more diolefins, the method comprising: providing a hydrocarbon stream comprising an initial CPD concentration, an initial target diolefin concentration, and an initial secondary diolefin concentration; subjecting the hydrocarbon stream to preseparation conditions effective to separate (a) a crude target diolefin feedstock having a decreased concentration of CPD and an increased target diolefin concentration, and (b) a CPD dimerization feedstock having a decreased target diolefin concentration and an increased CPD concentration that is 1.5 or more times the initial CPD concentration; subjecting the CPD dimerization feedstock to CPD dimerization conditions effective to produce a raw DCPD stream comprising 20 wt. % or more DCPD; and, separating a high purity DCPD product stream comprising 90 wt. % or more DCPD from the raw DCPD stream. | 07-21-2011 |
20120122152 | TREATING BIOMASS TO PRODUCE MATERIALS USEFUL FOR BIOFUELS - Fermentable sugar useful for the production of biofuels can be produced from biomass by contacting the biomass with a solution containing at least one α-hydroxysulfonic acid. The α-hydroxysulfonic acid can be easily removed from the product and recycled. | 05-17-2012 |
20130144078 | METHOD OF RECOVERING LIPIDS FROM MICROBIAL BIOMASS - A method of obtaining lipids from microbial biomass such as algae is provided by treating microbial biomass with a solution containing at least one α-hydroxysulfonic acid to extract and recover liposoluble components. The α-hydroxysulfonic acid can be easily removed from the product containing liposoluble compoenents and recycled. | 06-06-2013 |
20130157333 | METHOD OF TREATING ETHANOL PRODUCTION BYPRODUCTS - A method of treating ethanol production byproduct is provided by treating wet distillers grain or stillage with a solution containing at least one α-hydroxysulfonic acid to produce at least one fermentable sugar containing product. Fermentable sugar useful for the production of biofuels or ethanol can be produced from such methods. The α-hydroxysulfonic acid can be easily removed from the product and recycled. | 06-20-2013 |
20130196400 | TREATING BIOMASS TO PRODUCE MATERIALS USEFUL FOR BIOFUELS - Fermentable sugar useful for the production of biofuels can be produced from biomass by contacting the biomass with a solution containing at least one α-hydroxysulfonic acid. The α-hydroxysulfonic acid can be easily removed from the product and recycled. | 08-01-2013 |
20130295629 | CONTINUOUS OR SEMI-CONTINUOUS PROCESS FOR TREATING BIOMASS TO PRODUCE MATERIALS USEFUL FOR BIOFUELS - Fermentable sugar useful for the production of biofuels is produced from biomass in a continuous or semi-continuous manner by providing pumpable biomass. | 11-07-2013 |
20130309727 | METHODS AND SYSTEMS FOR PROCESSING BIOMASS MATERIAL - Embodiments of the present invention provide for efficient and economical production and recovery of ethanol or other volatile organic compounds. One embodiment comprises contacting a solid component of a biomass material with a solution adapted to facilitate saccharification. The solid component is generated by a method comprising: 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; separating a vapor component and a solid component from the heated biomass material; and retaining at least a portion of the gas component for use as part of the superheated vapor stream. In one embodiment, the solid component contacted with the solution is further subjected to enzymatic hydrolysis and/or fermentation. | 11-21-2013 |
20140024093 | PROCESS FOR THE PRODUCTION OF DIGESTED BIOMASS USEFUL FOR CHEMICALS AND BIOFUELS - In the pretreatment, the biomass is contacted with a solution containing at least one α-hydroxysulfonic acid thereby at least partially hydrolyzing the biomass to produce a pretreated stream containing a solution that contains at least a portion of hemicelluloses and a residual biomass that contains celluloses and lignin; separating at least a portion of the solution from the residual biomass providing an solution stream and a pretreated biomass stream; then contacting the pretreated biomass stream with a cooking liquor containing at least one alkali selected from the group consisting of sodium hydroxide, sodium carbonate, sodium sulfide, potassium hydroxide, potassium carbonate, ammonium hydroxide, and mixtures thereof and water. A process that allows for higher recovery of carbohydrates and thereby increased yields is provided. Alcohols useful as fuel compositions are also produced from biomass by pretreating the biomass prior to hydrolysis and fermentation. | 01-23-2014 |
20140216985 | CLOSED LOOP SOLVENT EXTRACTION PROCESS FOR OIL SANDS - The present invention is directed to a method which includes the steps of: contacting an oil sand with a suitable solvent to generate a solvated oil sand slurry; separating solvent-diluted bitumen from the solvated oil sand slurry to generate (a) a solvent-diluted bitumen and (b) a slurry with increased solids concentration; filtering the slurry with increased solids concentration; dropping the solids into a pressure reduction vessel wherein the pressure in the pressure reduction vessel is a pressure below a vapor pressure of the solvent; and drying the solids removed from the pressure reduction vessel to produce solids having dry tailings. The method of the present invention may be used to produce a low ash bitumen product and dry tailings from oil sands. | 08-07-2014 |
20140259888 | METHOD OF SEPARATING LIGNIN DERIVED COMPOUNDS FROM PYROLYSIS OIL - A novel method of separating bio oil (pyrolysis oil) into oxygenated rich species and lignin/phenolic based species in a highly efficient manner is provided. Lignin and phenolic fractions can be separated from light oxygenates from bio oil by use of reversible α-hydroxysulfonic acid. | 09-18-2014 |
20140373432 | DIRECT METHOD OF PRODUCING FATTY ACID ESTERS FROM MICROBIAL BIOMASS - A method of producing fatty acid esters in situ from microbial biomass such as algae is provided by treating microbial biomass with a solution containing an alcohol and at least one α-hydroxysulfonic acid. Fatty acid ester can be directly recovered from the treated microbial biomass. The α-hydroxysulfonic acid can be easily removed from the treated microbial biomass and recycled. | 12-25-2014 |
Patent application number | Description | Published |
20120181745 | Media Stack Compression - Embodiments provide methods, apparatuses, and systems for compressing media in a media stack. In various embodiments, a paddle moves between various positions. During the move, the paddle is configured to compress the media stack. | 07-19-2012 |
20140339760 | Media Stack Compression - Embodiments provide methods, apparatuses, and systems for compressing media in a media stack. In various embodiments, a paddle moves between various positions. During the move, the paddle is configured to compress the media stack. | 11-20-2014 |
20150145919 | MEDIA DRIVE RESTRAINT AND METHOD FOR DETECTING A CLOSED MEDIA TRAY - In one embodiment, a device for a printer includes a movable tray for supporting a print media. The tray is movable between an open position in which media may be moved on to the tray and a closed position in which media is blocked from moving on to the tray. The device also includes a rotatable media drive component for moving print media on to the tray and a movable restraint operatively connected to the tray. The restraint is movable between: a first position, corresponding to the open position of the tray, in which the restraint does not restrain the media drive component; and a second position, corresponding to the closed position of the tray, in which the restraint restrains rotation of the media drive component. | 05-28-2015 |