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Matches 151 - 200 out of 1,027

Document Document Title
WO/2010/083601
A method and apparatus for conveying a cellulosic feedstock are disclosed. The apparatus, such as a holding tank, has a passage. At the outlet to the passage, a conveyance member is provided to convey the cellulosic feedstock laterally a...  
WO/2010/083600
A method and apparatus for preparing a cellulosic feedstock are disclosed. Embodiments of the method comprise passing the cellulosic feedstock out of at least one outlet of a vessel (such as a holding tank) and obtaining at least two str...  
WO/2010/080461
Biomass is pretreated using an organic solvent solution under alkaline conditions in the presence of one of more sulfide (hydrosulfide) salt and optionally one or more additional nucleophile to fragment and extract lignin. Pretreated bio...  
WO/2010/080464
Biomass is pretreated using an organic solvent solution under alkaline conditions in the presence of ammonia and optionally an additional nucleophile to fragment and extract lignin without loss of hemicellulose. Pretreated biomass is fur...  
WO/2010/080460
Biomass is pretreated using an organic solvent solution, under alkaline conditions, in the presence of one or more organo-mercaptan and optionally one or more additional nucleophile to fragment and extract lignin. Pretreated biomass is f...  
WO/2010/080462
Biomass is pretreated using an organic solvent solution under alkaline conditions in the presence of elemental sulfur and optionally one or more alkylamine and/or one or more additional nucleophile to fragment and extract lignin. Pretrea...  
WO/2010/080462
Biomass is pretreated using an organic solvent solution under alkaline conditions in the presence of elemental sulfur and optionally one or more alkylamine and/or one or more additional nucleophile to fragment and extract lignin. Pretrea...  
WO/2010/080489
Methods for treating lignocellulosic biomass to produce readily saccharifiable carbohydrate-enriched biomass are provided. In one method, lignocellulosic biomass comprising lignin is treated with aqueous ammonia, then contacted with a ga...  
WO/2010/080434
Biomass is pretreated using an organic solvent solution under alkaline conditions in the presence of one or more alkylamine and optionally one or more additional nucleophile to fragment and extract lignin. Pretreated biomass is further h...  
WO/2010/080436
Lignocellulosic biomass comprising lignin is treated by selective extraction and oxidation of lignin using a solvent solution comprising water in combination with at least one Mn(III) salt to produce readily saccharifiable carbohydrate e...  
WO/2010/071945
Fibre furnish for use in the manufacture of paper and paper-based products, the fibre furnish consisting essentially of plant petiole tissue, wherein substantially longitudinally aligned petiole fibres have been cut generally laterally t...  
WO/2010/069151
A multi-stage process for extracting cellulose from plant comprises the following steps: firstly impregnating the plant with dilute alkali; steaming under increased pressure and then beating and washing the pulp, and thus obtaining cellu...  
WO/2010/071867
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/2010/066026
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/2010/066195
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/2010/059796
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/2010/059796
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/2010/058185
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/2010/053464
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/2010/046051
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/2010/046051
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/2010/046051
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/2010/046532
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/2010/044732
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/2010/034055
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/2010/032133
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/2010/024763
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/2010/006840
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/2010/006840
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/2010/008578
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/2009/140808
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/2009/134746
Carbohydrates having functional groups, such as carboxylic acid groups and methods of making such carbohydrates.  
WO/2009/124072
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/2009/120141
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/2009/117402
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/2009/116942
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/2009/116943
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/2009/116940
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/2009/117402
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/2009/116946
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/2009/116941
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/2009/114843
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/2009/108773
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/2009/108773
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/2009/092749
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/2009/090150
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/2009/089439
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/2009/083652
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/2009/083652
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/2009/082338
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...  

Matches 151 - 200 out of 1,027