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Matches 151 - 200 out of 2,239

Document Document Title
WO/2011/080131A3
A method of pre-treating a cellulosic material before hydrolysis is provided. The method comprises the steps of: impregnating the cellulosic material with a reactive water-soluble gas, such as sulphur dioxide (SO2) or carbon dioxide (CO2...  
WO/2011/078775A1
The invention concerns a method and an arrangement for the improvement of a wash after completed digestion in a continuous digester (1) for the production of cellulose pulp. According to the invention, the softened chips are exposed to a...  
WO/2011/072718A1
The present invention relates to a process for forming a pulp mixture, the process comprising the steps of: a) providing a wood material and a first liquor, b) treating the wood material in the first liquor in order to release wood fibre...  
WO/2011/073253A1
The present invention provides a method for producing furfural from lignocellulosic biomass material, comprising the steps of: (a) contacting the lignocellulosic biomass material with a mixture comprising water and an organic acid at a t...  
WO/2011/069868A3
The invention relates to novel compositions containing (A) at least one organosilicon compound from units of the formula Ra (R1O) bSiO(4-a-b)/2 (I), wherein R is the same or different and may represent a hydrogen atom or a monovalent, op...  
WO/2011/066189A1
A method to cook thin chips in a continuous digester vessel including: introducing thin chips having a thickness of no more than 6mm, into a chip bin; adding white (cooking) liquor to the chip bin or to a chip transport passage extending...  
WO/2011/063800A3
The invention relates to a method for producing refiner wood pulps, wherein the wood chips were irradiated with hydrogen sulfite and high-energy radiation after slight impregnation and then defibred by means of refiners. The wood-chip-ir...  
WO/2011/053203A1
The invention relates to a method and arrangement for steaming and impregnating wood chips in a single down flow vessel. A first upper volume of chips is established above a liquid level (LIQ_LEV) in the vessel, wherein steaming takes pl...  
WO/2011/007369A1
This specification describes a process to separate lignin from an aqueous mixture derived from a biomass feedstock, wherein the separation is done at or above critical temperature, usually above 60°C.  
WO/2011/004855A1
Provided is a technique for improving the causticizing process in pulp production. A high-quality calcium carbonate can be produced efficiently by adding fired shells and a green liquor and by inducing a causticizing reaction during the ...  
WO/2010/147118A1
An apparatus and process for pulp production are provided with which a pulp can be produced in an environment having the atmospheric pressure and having a temperature lower than in the kraft process and the sulfite process. The apparatus...  
WO/2010/147812A1
A processes producing mechanical pulps utilizing refiners for improving the quality of screen rejects, and most particularly to a mechanical pulp mill integrated with a neutral-alkaline papermaking process producing mechanical printing p...  
WO/2010/142146A1
A process for producing high-strength corrugated base paper comprises the following five steps: (1) preparing a pulp;(2) kneading the pulp, in which the pulp concentration is ≥30%, the motor current of the kneader is controlled in the ...  
WO/2010/137535A1
A method for digesting a lignocellulosic material is provided with which the yield of pulp at the same Kappa number is improved and the proportion of effective alkalis to be added at the same Kappa number is reduced. The method is a cont...  
WO/2010/135594A1
A system and method for digesting cellulosic material to extract fermentable sugars, lignin, and pulp is disclosed. One embodiment comprises a continuous digester comprising a cellulosic material feed section including a pre-steam and im...  
WO/2010/115488A1
The invention relates to a method for obtaining cellulose by separating lignin from a biomass comprising lignocellulose in the form of plants or plant parts, wherein the biomass comprising lignocellulose is solubilized in a boiler in an ...  
WO/2010/114470A1
The invention concerns a system and a method for the regulation of a continuous vapour phase digester (50). The relevant process inflows (CH, ST, WL, DL) are regulated with a process regulator (PC) depending on current process outflows (...  
WO/2010/110724A1
The invention concerns a method and an arrangement for wash after completed digestion in a continuous digester (1) for the production of cellulose pulp. Digested softened chips that have not been defibrated are fed out from the bottom pl...  
WO/2010/106077A1
A method for inhibiting the formation, deposition and adherence of calcium salt scale to metallic and other surfaces in the equipment, vessels and/or piping of a chemical pulp process facility comprising adding an effective scale inhibit...  
WO/2010/102480A1
A process of dispersing the mixture of natural higher fatty alcohol and synthetic higher aliphatic alcohol into water, which is in the technical field of fine chemical industry. The emulsion mixture of natural higher fatty alcohol and sy...  
WO/2010/093812A3
A method for mitigating the costs of establishing a biomass-based pellet manufacturing plant includes identifying an existing pulp processing plant, obtaining permission to access and convert the pulp processing plant, and converting the...  
WO/2010/093812A2
A method for mitigating the costs of establishing a biomass-based pellet manufacturing plant includes identifying an existing pulp processing plant, obtaining permission to access and convert the pulp processing plant, and converting the...  
WO/2010/093220A2
A method for manufacturing tissue using recovered paper from corrugated fiberboard as raw material is provided. A method for manufacturing tissue using disclosed recovered paper from corrugated fiberboard as raw material comprises: (a) a...  
WO/2010/093220A3
A method for manufacturing tissue using recovered paper from corrugated fiberboard as raw material is provided. A method for manufacturing tissue using disclosed recovered paper from corrugated fiberboard as raw material comprises: (a) a...  
WO/2010/083601A1
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/2010/083600A1
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/2010/080461A1
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/2010/080464A1
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/2010/080460A1
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/2010/080462A3
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/2010/080462A2
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/2010/080489A1
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/2010/080434A1
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/2010/080436A1
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/2010/071945A1
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/2010/069151A1
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/2010/071867A3
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 ...  

Matches 151 - 200 out of 2,239