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Matches 251 - 300 out of 2,219

Document Document Title
WO/2008/095252A1
A method for fractionating a lignocellulosic material, the method comprising; contacting (2) the lignocellulosic material with an ionic liquid (3) and dissolving the lignocellulosic material therein, providing a second liquid (7) which i...  
WO/2008/098032A2
The present invention provides a method for converting lignocellulosic material into biofuel. In particular embodiments, the method comprises pre-treating lignocellulosic material by dissolving the material in ionic liquids. The pretreat...  
WO/2008/077450A1
The invention relates to a method for the production of a tissue web (1) produced from a material suspension comprising fibers. To this end, the volume and the tear length is to be improved, with minimized freeness degree, such that the ...  
WO/2008/074220A1
A preparation method of a bamboo pulp comprises the steps of preparing material, cooking and bleaching. In the step of preparing material, bamboo material is obliquely cut at the angle of 10-85ºinto bamboo chip with a chip cross-section...  
WO/2008/076055A1
The present invention relates to a process of producing pulp comprising digesting lignocellulose-containing cellulosic fibers in a digestion liquid, wherein the fibers are treated in the presence of at least one chelating agent capable o...  
WO/2008/073397A1
The present invention provides for a composition comprising a silane having the formula: (R1)(R2)(R3)Si -R4 - Si(R5)(R6)(R7) wherein R1, R2, R3, R5, and R6 are each independently selected from the group consisting of 1 to 6 monovalent hy...  
WO/2008/073396A1
The present invention provides for a composition comprising a silane having the formula: (R1)(R2)(R3)Si -R4 - Si(R5)(R6)(R7) wherein R1, R2, R3, R5, and R6 are each independently selected from the group consisting of 1 to 6 monovalent hy...  
WO/2008/063127A1
The present invention concerns a method to retrieve heat from black liquor, where the black liquor is withdrawn from a digester (10) in association with the production of cellulose pulp. The black liquor at the withdrawal stage maintains...  
WO/2008/058003A3
This invention provides a composition and method for improving a mechanical pulping process by decreasing freeness and amount of shives, providing energy and chemical savings, and enhancing brightness and mechanical strength of a paper p...  
WO/2008/058003A2
This invention provides a composition and method for improving a mechanical pulping process by decreasing freeness and amount of shives, providing energy and chemical savings, and enhancing brightness and mechanical strength of a paper p...  
WO/2008/057040A1
The invention concerns a method for the production of cellulose pulp in a continuous digester system in an energy-efficient manner. The method comprises an impregnation vessel in which to impregnate the chips, which chips are then fed to...  
WO/2008/043837A1
The present invention relates to a liquid composition which comprises at least one polymer and at least one ionic liquid, the cations of which are derived from polycyclic amidine bases, and a process for isolating cellulose from cellulos...  
WO/2008/044860A1
There are provided a method for manufacturing a bamboo chip for a soluble pulp and a bamboo chip manufactured therefrom, the bamboo capable of improving their productivity and obtaining high-quality products, as well as manufacturing the...  
WO/2008/025166A1
A process for producing ammonia and sulfuric acid from a stream comprising ammonium sulfate is provided. The process comprises the steps of heating the stream to produce ammonia and a decomposition product comprising one or more than one...  
WO/2008/028183A1
The present invention provides a method for producing an MDF board from pulp from a fibrous lignocellulose material using a treatment or pretreatment step which exposes the material to oxalic acid or oxalic acid derivatives (particularly...  
WO/2008/019228A3
Countercurrent extraction of lignocellulosic biomass such as trees, grasses, shrubs, and agricultural residues or waste involves the separation of cellulose fibers from other constituents, for subsequent use in the manufacture of paper, ...  
WO/2008/011523A3
Oxidative compositions and processes that preserve and enhance the brightness and improve color of pulp or paper when applied during different stages of the papermaking process are identified. The oxidative composition and method maintai...  
WO/2007/149836A2
In general, the present disclosure is directed to compositions and processes to increase pulp yield, reduce extractives, and reduce scaling in a chemical pulping process. In one particular embodiment, for instance, the present disclosure...  
WO/2007/140837A3
The invention relates to a method for producing fibrous material with a lignin content of at least 15% for softwood, at least 12% for hardwood, or at least 10% for annual plants, relative to the oven-dry fiber mass in each case, consisti...  
WO/2007/140838A2
The invention relates to a lignocellulosic fibrous material made of wood with a breaking length of more than 8 km at 15 °SR and a lignin content of at least 15%, relative to the unbleached oven-dry fibrous material, for softwood, and wi...  
WO/2007/140838A3
The invention relates to a lignocellulosic fibrous material made of wood with a breaking length of more than 8 km at 15 °SR and a lignin content of at least 15%, relative to the unbleached oven-dry fibrous material, for softwood, and wi...  
WO/2007/140839A2
The invention relates to a method for producing fibrous material consisting of the following steps: production of a chemical solution with less than 25% sulfite (calculated as NaSO3), relative to the oven-dry quantity of the lignocellulo...  
WO/2007/140837A2
The invention relates to a method for producing fibrous material with a lignin content of at least 15% for softwood, at least 12% for hardwood, or at least 10% for annual plants, relative to the oven-dry fiber mass in each case, consisti...  
WO/2007/140839A3
The invention relates to a method for producing fibrous material consisting of the following steps: production of a chemical solution with less than 25% sulfite (calculated as NaSO3), relative to the oven-dry quantity of the lignocellulo...  
WO/2007/137127A3
A method of pretreating comminuted fibrous material with sodium carbonate and then cooking the pretreated material in the presence of anthraquinone (AQ) is provided. The resulting pulp produced has a higher yield, enhanced strength, and ...  
WO/2007/137127A2
A method of pretreating comminuted fibrous material with sodium carbonate and then cooking the pretreated material in the presence of anthraquinone (AQ) is provided. The resulting pulp produced has a higher yield, enhanced strength, and ...  
WO/2007/128024A1
The invention relates to a method for producing a type of pulp from a cellulose starting material by kraft pulping, comprising the step of cooking the starting material with a cooking liquor. The method according to the invention is char...  
WO/2007/129921A1
An integrated process for the production of ethanol from woody plant material is provided, the process comprising: contacting a continuous flow of the plant material with a counter-current continuous flow of an aqueous ethanol solution a...  
WO/2007/128027A1
The invention relates to a method for producing cellulose from a cellulose starting material. The method comprises a step during which the starting material is digested with a digesting liquor, and subsequent further processing steps, su...  
WO/2007/107055A1
A kind of degradable Sanitary napkin or liner, including a toplayer, a backlayer and an absorbent layer positioned between the toplayer and the backlayer, wherein the backlayer assumes the two-layer construction formed of paper waterproo...  
WO/2007/102638A1
The present invention relates to a method for producing xylose from bamboos, and more particularly to a method for producing xylose from bamboos, which provides a solution to the economic and environmental problems occurring in the prior...  
WO/2007/092359A2
Embodiments of a diatom composition and method for its use in making paper products is described. One embodiment of the disclosed method comprises providing an aqueous pulp composition, typically a pulp composition comprising furnish der...  
WO/2007/092359A3
Embodiments of a diatom composition and method for its use in making paper products is described. One embodiment of the disclosed method comprises providing an aqueous pulp composition, typically a pulp composition comprising furnish der...  
WO/2007/071387A3
The invention relates to a plant fibre provided with hardener-free novolak. The plant starting materials are broken down into thermomechanically decomposing aggregates or chemo-thermomechanically decomposing aggregates, in the presence o...  
WO/2007/071387A2
The invention relates to a plant fibre provided with hardener-free novolak. The plant starting materials are broken down into thermomechanically decomposing aggregates or chemo-thermomechanically decomposing aggregates, in the presence o...  
WO/2007/073312A1
Special demands are placed on the properties of short-fibred cellulose pulp when this type of pulp is used for the manufacture of paper, and a paper manufacturer primarily desires a pulp with predictable and constant properties. The pres...  
WO/2007/071187A1
A method for making paper pulp from straw, which utilizes the acute reaction of hydrogen peroxide and alkali substance and the heat energy released from it to make paper pulp. The method comprises the following steps: crushing wheat, ric...  
WO/2007/070527A2
A process of treating a cellulose-lignin pulp. In an ozone stage, the pulp is contacted with ozone to bleach and delignify the pulp. The ozone stage is conducted without the addition of a peroxide bleaching agent. A chelant is introduced...  
WO/2007/070527A3
A process of treating a cellulose-lignin pulp. In an ozone stage, the pulp is contacted with ozone to bleach and delignify the pulp. The ozone stage is conducted without the addition of a peroxide bleaching agent. A chelant is introduced...  
WO/2007/065241A1
A continuous and batch system to produce cellulose, native lignin and unicellular protein from any form of vegetation in a closed process. The biomass is mixed in the impregnate solution of nitric acid and/or ammonium hydroxide and water...  
WO/2007/064293A1
The invention concerns an arrangement and a method for the continuous cooking of chemical cellulose pulp in a continuous digester system (100). The continuous digester system (100) comprises an inlet (102) for the feed of a chips suspens...  
WO/2007/051269A1
Improvements in a process for rapid acid hydrolysis of lignocellulosic material and in a hydrolysis reactor, said lignocellulosic material being fed in different levels of a reactor (10) and contacted with flows of lignin organic solvent...  
WO2007017553B1
The invention refers to a method where lactic acid, its water solution, lactide, lactic acid oligomer, polylactic acid or mixture thereof is used for the degradation of cellulose based biomass, such as natural structure of wood, and tran...  
WO/2007/017553A1
The invention refers to a method where lactic acid, its water solution, lactide, lactic acid oligomer, polylactic acid or mixture thereof is used for the degradation of cellulose based biomass, such as natural structure of wood, and tran...  
WO/2007/008689A3
The present invention is a method for producing a pulp from a fibrous lignocellulose material or source using a treatment or pretreatment step which exposes the material to oxalic acid derivatives, particularly dialkyl ester derivatives,...  
WO/2007/004757A1
Disclosed are a technique for producing high quality paper-making pulp capable of replacing wood pulp, utilizing bamboo and paper products produced using the same. The present invention can be applied to techniques for producing a variet...  
WO/2006/134126A1
The invention provides a process for organosolv pulping, wherein solid lignocellulosic feed material is heated at a temperature in the range of from 50 to 210 °C in a solvent to obtain a solid cellulosic fraction comprising at least 50 ...  
WO/2006/132462A1
The present invention relates to a manufacturing method of mechanical pulp from stalks of corn, an annual plant, by adding a digesting agent and, prior to, during or following addition of the digesting agent, completely separating fibrou...  
WO/2006/129906A1
The present invention relates to a method for producing mechanical pulp from stalks of corn, an annual plant. Pulping and bleaching are performed simultaneously by adding a salt compound selected from a group consisting of sodium carbona...  
WO/2006/128304A1
A continuous process for treating a lignocellulosic feedstock is provided. This method comprises pretreating the lignocellulosic feedstock under pressure in a pretreatment reactor at a pH between about 0.4 and about 2.0. One or more than...  

Matches 251 - 300 out of 2,219