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Matches 201 - 250 out of 1,001

Document Document Title
WO/2009/003606
The invention relates to a high-strength and wear-resistant fibrous material and to a method for the production thereof. According to said method, a natural fibre material is solubilised in an alkaline manner. The fibrous material is tre...  
WO/2009/003286
A method for pulping a fibrous lignocellulosic material includes a pretreatment step wherein the lignocellulosic material is reacted with a chelating agent selected from the group consisting of amino acids, monocarboxylic acids and polyc...  
WO/2008/155639
The present invention provides a process and System for Separation of biomass components into individual components such as cellulose, hemicellulose and lignin. The present invention provides a process for separating lignin in its native...  
WO/2008/155634
The invention is directed towards a method of pretreatment of a lignocellulose containing biomass so as to make the biomass amenable to enzymatic digestion. More particularly, the instant application discloses a single step separation of...  
WO/2008/155639
The present invention provides a process and System for Separation of biomass components into individual components such as cellulose, hemicellulose and lignin. The present invention provides a process for separating lignin in its native...  
WO/2008/153565
The present disclosure relates to producing paper or paperboard having improved stiffness and strength, compared to the conventional paperboard at the same basis weight. It also discloses a method of wood pulping having a significantly i...  
WO/2008/154073
A method of wood pulping having a significantly increased yield is disclosed. Wood chips are chemically pulped to a high kappa number, providing a first accepts component and a first rejects component. The first rejects component is subj...  
WO/2008/141463
A method for increasing the quality of cellulosic fibres used in forming dissolving pulp wherein the hemicellulose content of a pulp is reduced by treating the fibres with a liquor which includes hydrogen peroxide and ammonia.  
WO/2008/138429
The invention relates to a lignocellulose fibre consisting of wood with a breaking length of more than 6 km at less than 14.5 and preferably between 12 and 14 °SR and a specific volume of at least 1.3 cm3/g in relation to oven-dry fibre...  
WO/2008/138428
The invention relates to the production of a chemical solution comprising less than 25 % sulphite (calculated as Na2SO3) in relation to the oven-dry quantity of the lignocellulose raw material, said method having the following steps: mix...  
WO/2008/138424
The invention relates to the waste lye of a sulphite pulp, containing sodium and sulphur in a ratio of up to 1.8 : 1 in said oven-dry waste lye.  
WO/2008/141121
A method of monitoring and inhibiting scale precipitation and deposition from spent liquor in pulp mill evaporators and concentrators is disclosed. The method includes connecting a black liquor deposition monitor to a pulp mill evaporato...  
WO/2008/129048
The present invention relates to a method for the production of bleached wood particles, and to a method for the production of wood materials ranging from light-toned to white, which are produced from the bleached wood particles.  
WO/2008/109111
Disclosed herein are methods of treating an edible fiber source to make an animal feed with increased digestible energy. An exemplary method includes hydrolyzing the edible fiber source with an inorganic fiber hydrolyzing agent in a twin...  
WO/2008/106811
The invention describes a method for the direct production of molecules with a minimum molecular weight of 78 g/mol by means of the breakdown of lignin, lignin derivatives, lignin fragments, and/or lignin-containing substances or mixture...  
WO/2008/109111
Disclosed herein are methods of treating an edible fiber source to make an animal feed with increased digestible energy. An exemplary method includes hydrolyzing the edible fiber source with an inorganic fiber hydrolyzing agent in a twin...  
WO/2008/106895
A process for refining and producing cellulose, lignin and xylose from biomass material comprises the following steps: pulverizing and screening the biomass material; and then dipping the biomass material in organic acid with lower boili...  
WO/2008/104074
The present invention relates to a composition comprising water, more than 30 % w/w of calcium hydroxide, and ≥ 0.2 % w/w dispersant. A process for preparing such a composition is also disclosed. The composition which can be in the for...  
WO/2008/103124
The present invention relates to reducing the liquid/wood ratio at the top of a vapour phase digester (1) in a continuous digester plant. Chips that are to be cooked in the vapour phase digester (1) are fed with a mixture of chips and li...  
WO/2008/098032
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/2008/095252
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/2008/098032
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/2008/077450
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/2008/074220
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/2008/076055
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/2008/073397
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/2008/073396
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/2008/063127
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/2008/058003
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/2008/058003
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/2008/057040
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/2008/043837
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/2008/044860
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/2008/025166
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/2008/028183
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/2008/019228
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/2008/011523
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/2007/149836
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/2007/140837
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/2007/140838
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/2007/140838
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/2007/140839
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/2007/140837
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/2007/140839
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/2007/137127
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/2007/137127
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/2007/128024
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/2007/129921
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/2007/128027
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/2007/107055
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...  

Matches 201 - 250 out of 1,001