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Matches 151 - 200 out of 689

Document Document Title
WO/2014/160262A1
The present invention provides processes for converting cellulosic waste, such as municipal solid waste, to bioproducts such as monosaccharides and fermentation products.  
WO/2014/157493A1
The present invention addresses the problem of providing a technique for manufacturing a high-quality dissolving kraft pulp in a high yield. A process for manufacturing a dissolving kraft pulp which comprises (a) a step for subjecting wo...  
WO/2014/138983A1
The present invention relates to novel polypeptides and enzymes (e.g., thermostable proteins and enzymes) having activities relating to biomass processing and/or degradation (e.g., cell wall deconstruction), as well as polynucleotides, v...  
WO/2014/132056A1
There is described a method of fractionating a biomass material comprising: (i) blending the biomass material with an acid catalyst to form a slurry; (ii) mixing the slurry with an organosolv reagent optionally under an inert atmosphere ...  
WO/2014/132055A1
There is described a method of processing biomass which comprises the steps of: (i) processing biomass material in an aqueous system in the presence of an oxalic acid catalyst to produce a slurry; (ii) subjecting the slurry to an acidifi...  
WO/2014/114647A1
There is provided a method of producing a hydrolysate containing sugar from a lingocellulosic biomass, comprising the steps of: a) pretreating the lingocellulosic biomass in a pretreatment process to form a slurry comprising cellulosic p...  
WO/2014/113884A1
Described herein are processes for the production of a cellulose pulp and processes for isolating cellulose from cellulose-containing biomass. The processes of the invention comprises contacting the biomass with a source of anions and a ...  
WO/2014/101867A1
Provided is an ultrahigh-viscosity refined cotton production technology, comprising material selection, cotton opening, impregnation, pretreatment, cooking, bleaching and rolling, and drying. By adding the pretreatment procedure, a suffi...  
WO/2014/067969A1
A process for pretreating a lignocellulosic material having a lignin content in the range from equal to or more than 10 wt% to equal to or less than 50 wt%, based on the total weight of the lignocellulosic material, which process compris...  
WO/2014/063260A1
The present invention relates to a method for the industrial-scale processing of green rye in order to extract cellulose fibres that can be used notably in the preparation of paper pulp, in the manufacture of non-woven products, to provi...  
WO/2014/055726A1
The GreenBox+ technology is suitable to extract hemicellulose sugars prior to pulping of biomass into pulp products. The revenue obtainable from the sugar stream can significantly improve the economics of a pulp and paper mill. An initia...  
WO/2014/039560A1
Variations of this invention reduce or avoid lignin precipitation during acidic hydrolysis of biomass hydrolysates (such as hemicellulose-containing liquid extracts). Net acid usage and byproduct salt formation are significantly reduced....  
WO/2014/019589A1
The invention relates, in general, to methods of processing lignocellulosic biomass to fermentable sugars and to methods that rely on hydrothermal pretreatment. Xylose monomer yields comparable to those achieved using two-stage pretreatm...  
WO/2014/009604A1
Method for extraction of biomass with water in order to separate hemicelluloses from a fibrous structure. According to the invention the biomass is impregnated under reduced pressure with the extraction fluid in order to prevent the degr...  
WO/2013/171248A2
The invention relates to a method for separating mixed cellulose-plastic products, wherein the following steps are carried out: a) slurrying the mixed cellulose-plastic products with water; b) introducing the slurry produced in step a) i...  
WO/2013/173576A1
Embodiments of the present invention provide for efficient and economical production and recovery of volatile organic compounds and hydrocarbons. One embodiment comprises contacting a solid component of a biomass material with a solution...  
WO/2013/163271A1
this invention is directed to a process for treating biomass. The biomass is treated with a biomass swelling agent within the vessel to swell or rupture at least a portion of the biomass. A portion of the swelling agent is removed from a...  
WO/2013/152771A1
There is disclosed a method for processing a biomass (for example straw) containing lignocellulose such that cellulose and hemicellulose are made accessible for further processing, typically by decomposition, without needing energy-consu...  
WO/2013/141687A1
The invention provides a biodegradable and/or compostable pulp composition, moulded pulp article(s) and preparation process thereof. The pulp composition is prepared from non-wood fibres with diameters from 2.5 to 10 μιτι. The pulp c...  
WO/2013/141686A1
The invention provides a biodegradable and/or compostable pulp composition, moulded pulp article(s) and preparation process thereof. In particular, the biodegradable and/or compostable pulp composition comprises an exogenous protease, e....  
WO/2013/141776A1
An impregnation arrangement (1) includes a vertically arranged impregnator chamber (10), a first inlet (11) arranged at a bottom end of the chamber configured for introducing material to be impregnated into the chamber, a conveyor arrang...  
WO/2013/128196A1
A composition and method of preparing a composition is presented wherein the composition comprises cellulose platelets and the cellulose platelets comprise at least 60% cellulose by dry weight,less than 10% pectin by dry weight and at le...  
WO/2013/122917A1
The present disclosure relates to methods for detoxifying a hydrolysate obtained from a lignocellulosic biomass and methods of producing ethanol from the detoxified hydrolysate. The present methods provide detoxified hydrolysates in whic...  
WO/2013/098789A1
An improved method of conducting the pre-soaking step involving pre-soaking the ligno- cellulosic biomass in a liquid (water) at a temperature in the range of between 100°C to 150°C prior to soaking at higher temperatures. This materia...  
WO/2013/092881A2
An improved pre-hydrolysis step involving exposing water insoluble pre-treated ligno- cellulosic biomass to vacuum conditions, with and without enzymes is disclosed. After exposing the water insoluble pre-treated ligno-cellulosic biomass...  
WO/2013/089928A1
A method for utilizing biomass components, namely cellulose, hemicellose, and lignin, and converting them to value-added biobased chemical products is described herein. The present method provides treatments to obtain a plurality of comp...  
WO/2013/089615A1
A mixing unit (10) for use in a mixing apparatus (100) for mixing chemicals in liquid or gaseous state into a fiber suspension, which apparatus comprises a housing (101) defining a mixing chamber (102), a first inlet (103) for feeding a ...  
WO/2013/082735A1
A sectional pulping process for extracting fiber from plant materials by using a chemical mechanical pulping method comprises: fully soaking the material in black liquor of low-concentration NaOH solution, KOH solution, limewater or with...  
WO/2013/044347A1
Disclosed is a method of producing various paper types from a nonwood fiber source such as a mixture of flax and wheat. The fiber source is chopped to an average length between 1 and 100 mm, wet-processed, dewatered, and heated in the pr...  
WO/2013/041207A1
The invention relates to a device for hydrothermally pulping dried, lignified lignocellulosic biomass which, in particular, is ball-shaped. Said device consists of a pulping vessel (13) that receives balls of biomass (5) and comprises a ...  
WO/2013/040702A1
The present invention provides a method for producing a pretreated or hydrolyzed lignocellulosic feedstock. The method comprises feeding a lignocellulosic feedstock to a plug formation device and forming a feedstock plug therein. The plu...  
WO/2013/032377A1
The invention is related to a method for the preparation of kraft pulp with increased pulping yield from lignin-containing cellulosic material using polysulfide cooking liquor. In order to increase carbohydrate stabilization and hence th...  
WO/2013/017289A2
The present invention refers to a method for the production of biofuel and/or biogas, wherein (i) biomass comprising lignocellulose is decomposed with one or more microorganism(s) capable of decomposing said lignocellulose; and (ii) the ...  
WO/2013/013318A1
Disclosed is a method of pretreating biomass in two pretreatment stages as part of a biofuel production process. The first stage pretreatment is carried out by heating the biomass to a first stage temperature of 140°C to 180°C for a fi...  
WO/2013/010271A1
Disclosed is an improvement in a conventional process for C5 and C6 sugar recovery from lignocellulosic biomass for fermentation to ethanol, which process including the conventional steps of pretreatment of the biomass with steam at elev...  
WO/2013/008135A1
Method for production of cellulose and hemicellulose fibers from lignocellulose biomass obtained from sugarcane leaves and buds by applying a process comprising the stages of: a) Diminishing the particle size of the lignocellulose biomas...  
WO/2012/174961A1
A method for pre-treating a cellulosic plant material, comprising: treating the cellulosic plant material with a thin inorganic acid solution, i.e. putting the thin inorganic acid solution in contact with the cellulosic plant material, s...  
WO/2012/155240A1
This application relates to a two-stage enzymatic hydrolysis process for treating lignocellulosic materials and producing a sugar rich process stream, wherein enzyme inhibiting compounds are removed after the first stage of the enzymatic...  
WO/2012/158075A1
The invention is related to an improved compact process for producing dissolving pulp in a prehydrolysis kraft cooking process. In order to avoid pitch problems with blocked withdrawal screens and to obtain a distinct ending of the prehy...  
WO/2012/131665A1
A method of transforming a lignocellulose material comprises the steps of: a. combining a lignocellulose material with a solution containing hydrogen peroxide and a hydrogen peroxide stabiliser to produce a mixture that is at least 3% by...  
WO/2012/134358A1
The invention relates to a method and arrangement for adding treatment liquid to comminuted cellulose material, preferably wood chips, during the manufacture of chemical pulp in a continuous process. Said process using a down flow vessel...  
WO/2012/126109A1
The present invention provides a method for producing glucose from a lignocellulosic feedstock. The method comprises the steps of (i) providing a pretreated lignocellulosic feedstock slurry; (ii) moving the pretreated feedstock slurry th...  
WO/2012/128901A1
A prehydrolysis of wood chips or other lignocellulosic material in a vessel having a gaseous portion and a liquid portion. The vessel includes at least one stress relieving piece that inhibits overcompression of the lignocellulosic mater...  
WO/2012/126099A1
The present disclosure relates to a solvent extraction of the lignaceous residue of a biorefming process. The present disclosure relates, at least in part, to compositions comprising lignocellulosic biomass and an organic solvent wherein...  
WO/2012/125057A1
The process relates to technology for manufacturing cellulose and can be used in particular in the cellulose and paper industry both for producing cellulose raw material and for modifying the finished cellulose raw material. The process ...  
WO/2012/115812A1
A pulp cooking system including: a cellulosic material feed system, a pre-hydrolysis reactor vessel and a Kraft cooking reactor vessel. The feed material system includes a steaming chip bin (10) and a high pressure transfer device (12). ...  
WO/2012/078656A1
The present invention relates to methods of degrading or converting biomass material enriched with hemicellulosic material into fermentable sugars.  
WO/2012/049530A1
The invention relates to techniques for utilizing the lignocellulosic wastes from palm oil production, primarily the empty fruit bunches (EFB) remaining after removal of the oil-bearing fruits. The utilization method is based on exploiti...  
WO/2012/049054A2
The invention concerns a process for producing bioethanol comprising the steps of pretreatment (consisting in destructuring the lignocellulosic vegetable raw material by placing it in the presence of a mixture containing formic acid, ace...  
WO/2012/042498A1
This specification discloses an improved method for conducting the removal of C5 xylan based sugars from biomass. The improved method involves a series of soakings and washings of the biomass as opposed to conducting one soaking and wash...  

Matches 151 - 200 out of 689