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Matches 201 - 250 out of 2,262

Document Document Title
WO/2010/071867A3
Lignocellulosic biomass comprising lignin is treated with a solvent, such as organosolv, under alkaline conditions at elevated temperatures, filtered, then contacted with a gas comprising ozone to produce a readily saccharifiable biomass.  
WO/2010/066026A1
Impregnating or spraying softwood chips in a solution containing an appropriate concentration of alkaline earth metal ions selected from the group consisting of calcium ions, barium ions and strontium, preferably calcium ions, at room te...  
WO/2010/066195A1
A raw paper prepared by a mixed pulp including straw pulp, which can be used to prepare textbooks, writing papers and office paper with good performance, and the producing method of said raw paper are provided. The weight proportion of t...  
WO/2010/059796A2
Concentrated sugar solutions obtained from polysaccharide enriched biomass by contacting biomass with water and at least one nucleophilic base to produce a polysaccharide enriched biomass comprising a solid fraction and a liquid fraction...  
WO/2010/059796A3
Concentrated sugar solutions obtained from polysaccharide enriched biomass by contacting biomass with water and at least one nucleophilic base to produce a polysaccharide enriched biomass comprising a solid fraction and a liquid fraction...  
WO/2010/058185A1
There is described a method of processing biomass which comprises the digestion of biomass material in an aqueous solvent system subjected to ultrasonic waves and separating the biomass into its constituents of lignin, hemicellulose and ...  
WO/2010/053464A1
The invention relates to the cellulose paper industry. The method for producing a fibrous semifinished product from cellulose-containing materials consists in supplying starting raw material, conveying cooking liquor to the starting raw ...  
WO/2010/046051A3
A process for the production of lipids from biomass including at least one polysaccharide comprising: subjecting said biomass to acid hydrolysis in the presence of an aqueous solution of at least one organic acid selected from alkyl- or ...  
WO/2010/046051A8
A process for the production of lipids from biomass including at least one polysaccharide comprising: subjecting said biomass to acid hydrolysis in the presence of an aqueous solution of at least one organic acid selected from alkyl- or ...  
WO/2010/046051A2
A process for the production of lipids from biomass including at least one polysaccharide comprising: subjecting said biomass to acid hydrolysis in the presence of an aqueous solution of at least one organic acid selected from alkyl- or ...  
WO/2010/046532A1
The present invention relates to a process for the production of xylose and dissolving pulp from xylan-containing biomass, such as hardwood. The invention is based on prehydrolysis of the xylan-containing biomass with SO2 in specified co...  
WO/2010/044732A1
The invention concerns a method for influencing the flow from a strainer construction in a continuous digester. In order to avoid clogging of the withdrawal compartment (10a) in the strainer construction, an additive (Ch) that counteract...  
WO/2010/034055A1
The invention relates to methods for the fractionation of lignocellulosic matter. More specifically, the invention relates to methods for separating sugar-containing components of lignocellulosic matter from lignin.  
WO/2010/032133A3
The invention provides a method for modifying bamboo fibers, yarns, and textiles, by contacting them with a solution of water-soluble components of the Neem tree, azadirachta indica. The modified materials exhibit improved antimicrobial ...  
WO/2010/024763A1
In a continuous digester system the digester system is greatly simplified by using a single vertical atmospheric vessel, replacing the conventional chip bin, steaming vessel, chip chute, high pressure pumping or sluice feeders, impregnat...  
WO/2010/006840A2
The invention proposes a method for pretreating plant starting material for the purpose of producing bioethanol and/or sugar by means of a common chamber (12), characterized in that: -during one period, the plant material (MP), introduce...  
WO/2010/006840A3
The invention proposes a method for pretreating plant starting material for the purpose of producing bioethanol and/or sugar by means of a common chamber (12), characterized in that: -during one period, the plant material (MP), introduce...  
WO/2010/008578A3
The present invention is directed to a process for biologically converting carbohydrates from lignocellulosic biomass comprising the steps of: suspending lignocellulosic biomass in a flow-through reactor, passing a reaction solution into...  
WO/2009/140808A1
A process and system for pulping are provided, which are environmental protective, energy saving, circulating and green. The process comprises the following steps: cutting, dust exhausting, fibrillating, cooking and bleaching integration...  
WO/2009/134746A1
Carbohydrates having functional groups, such as carboxylic acid groups and methods of making such carbohydrates.  
WO/2009/124072A1
The inventive process converts cellulosic biomass into a gel-like state that is readily hydrolyzed by appropriate enzymes. First the biomass is mechanically reduced in size. The biomass is then mixed and kneaded with an aqueous solution ...  
WO/2009/120141A1
The invention concerns a pressurized digester vessel for a continuous digester, where the different parts Z1, Z2, Z3 of the digester are dimensioned according to the local temperature loads that are established in the different zones. It...  
WO/2009/117402A3
Methods of pretreating comminuted cellulosic material with an acidic solution and then a carbonate-containing solution to produce a pretreated cellulosic material are provided. The pretreated material may then be further treated in a pul...  
WO/2009/116942A1
The invention relates to a feed system for a continuous digester where at least 2 pumps are arranged in parallel in the bottom of a pre-treatment vessel, each pump having its own independent transfer line leading to the top of the digest...  
WO/2009/116943A1
The invention relates to a feed system for a continuous digester (6) where at least 2 pumps (12a, 12b) are arranged in parallel in the bottom of a pre-treatment vessel (3), whereby the outlets from the pumps are combined at at least one ...  
WO/2009/116940A1
The invention relates to a feed system for a continuous digester where at least 2 pumps are arranged in parallel in the bottom of a pre-treatment vessel and a liquid level of at least meters is established. The invention makes it possibl...  
WO/2009/117402A2
Methods of pretreating comminuted cellulosic material with an acidic solution and then a carbonate-containing solution to produce a pretreated cellulosic material are provided. The pretreated material may then be further treated in a pul...  
WO/2009/116946A1
The invention relates to a feed system for a continuous digester where at least 2 pumps are arranged in parallel in the bottom of a pre-treatment vessel and where the transfer to the top of the digester takes place without a conventional...  
WO/2009/116941A1
The invention relates to a feed system for a continuous digester (6) where at least 2 pumps (12a, 12b) are arranged in parallel in the bottom of a pre- treatment vessel (3) and a stirrer (1) is provided in direct connection to the inlets...  
WO/2009/114843A1
Embodiments of the present invention overcome the well-known recalcitrance of lignocellulosic biomass in an economically viable manner. A process and a system are provided for the efficient fractionation of lignocellulosic biomass into c...  
WO/2009/108773A2
A system has been developed for pretreating cellulosic biomass feed stock including: a first pressurized reactor receiving the feed stock, wherein the feed stock undergoes hydrolysis in the first pressurized reactor; a sealing device hav...  
WO/2009/108773A3
A system has been developed for pretreating cellulosic biomass feed stock including: a first pressurized reactor receiving the feed stock, wherein the feed stock undergoes hydrolysis in the first pressurized reactor; a sealing device hav...  
WO/2009/092749A1
The invention provides a process for pretreating a lignocellulosic plant raw material in order to obtain a pretreated material that is capable of being hydrolyzed and fermented for the production of bioethanol, characterized in that it c...  
WO/2009/090150A1
The invention relates to a composition comprising a mixture of a silica compound and an alkaline earth metal oxide or alkaline earth metal hydroxide in an aqueous solvent, characterised in that the silica compound and the alkaline earth ...  
WO/2009/089439A1
The invention relates to processes of delignifying lignocellulose-containing material, wherein the lignocellulose-containing material is treated with a delignification catalyst and a lignin solubilizing agent.  
WO/2009/083652A3
A method of delignifying a lignocellulosic raw-material, which contains lignin with a benzylic ring structure. The method comprises carboxylating at least a part of the benzylic ring structure by contacting the raw material at anhydrous ...  
WO/2009/083652A2
A method of delignifying a lignocellulosic raw-material, which contains lignin with a benzylic ring structure. The method comprises carboxylating at least a part of the benzylic ring structure by contacting the raw material at anhydrous ...  
WO/2009/082338A1
The invention relates to an improved method to increase the yield and improve the beatability of kraft pulp, wherein, during the progression of the cooking process, and at different time points, more than one cooking liquor with a dissol...  
WO/2009/070955A1
Provided is an unbleached paper product made from grass type pulp, the unbleached paper product has a brightness of 35-60%ISO, the grass type pulp is unbleached. The unbleached paper product includes an unbleached toilet paper, an unblea...  
WO/2009/069143A3
The present invention relates to a synergistic composition for biobleaching of ligno cellulosic or hardwood pulp. The synergistic composition comprises of lignin modifying enzyme, lignin degrading enzyme, pH regulating agent and surfacta...  
WO/2009/068525A1
The present invention relates to a method for utilizing a wood hydrolysate obtained from a hydrothermal treatment of a wood material method comprises the steps of providing a wood material, treating the wood material by means of an aqueo...  
WO/2009/067231A1
A method for Kraft pulping employing a modified cooking process in conjunction with polysulfide pulping technologies to obtain higher pulping yields than obtained in the prior art. The total required alkali charge (polysulfide liquor) is...  
WO/2009/066007A2
Process for defibering a fibrous raw-material. According to the process a raw-material is contacted with a pulping liquor that contains an organic solvent for producing a defibrated fibrous raw-material. Cooking liquor contains by its we...  
WO/2009/066007A3
Process for defibering a fibrous raw-material. According to the process a raw-material is contacted with a pulping liquor that contains an organic solvent for producing a defibrated fibrous raw-material. Cooking liquor contains by its we...  
WO/2009/063122A1
The invention deals with a method and an equipment to degrade the natural structure of a lignin containing fibre based material and/or to dissolve the lignin and other components partially or totally by using essentially lactic acid, lac...  
WO/2009/056017A1
A process for comprehensive utilization of stalks of grass-type plants, includes (1) cooking the stalks of said plants to obtain a high-hardness pulp with a potassium permanganate value of 16-28; (2) pressing the high-hardness pulp to ob...  
WO/2009/050336A1
The present invention relates to a method for treating pectin-containing ligno- cellulosic raw materials in a high-yield pulping process utilizing one or more treatment stages at alkaline conditions. The invention provides a method for c...  
WO/2009/045654A3
A method is provided for producing an improved pretreated biomass product for use in saccharification followed by fermentation to produce a target chemical that includes removal of saccharification and or fermentation inhibitors from the...  
WO/2009/046283A1
An apparatus for treating plant biomass is described herein. Generally, the apparatus includes a pressurizable vessel and a heating element in thermal communication with the vessel. Also described herein are methods of treating plant bio...  
WO/2009/028969A1
Lignin polymers having distinctive properties, including a generally high molecular weight and generally homogeneous size distribution, as well as preservation of native reactive side groups, are isolated by solvent extraction of plant m...  

Matches 201 - 250 out of 2,262