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Matches 201 - 250 out of 1,026

Document Document Title
WO/2009/069143
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/2009/068525
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/2009/067231
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/2009/066007
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/2009/066007
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/2009/063122
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/2009/056017
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/2009/050336
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/2009/045654
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/2009/046283
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/2009/028969
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...  
WO/2009/028969
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...  
WO/2009/015556
Provided is a process for producing pulp from grasses, which comprises cooking grasses material to give high hardness pulp that has a hardness of K value 16-28 and a beating degree of 10-24°SR, shoving and washing the resulting high har...  
WO/2009/015699
The invention relates to unbleached lignocellulosic fibrous material from annual plants, having a tear length of more than 4.5 km at 20 °SR and a lignin content of at least 8% in relation to the unbleached oven-dry fibrous material and ...  
WO/2009/015704
The invention relates to bleached fibrous material from wood having a degree of brightness, according to ISO, of > 80% and a buIk of more than 1.3 cm3/g, a breaking length of more than 7.5 km at 15 °SR and a lignin content of at least 1...  
WO/2009/015614
Method and equipment for production of fermentable saccharides, ethanol, furfural, furane, lignin, acetic acid and formic acid from lignocellulosic and amylaceous materials. The method comprises one-stage or two-stage continuous thermo-c...  
WO/2009/015555
An unbleached pulp and bleached chemical pulp using the grass plant as raw materials, and preparation method thereof. The unbleached pulp is provided with the breaking length 5000-7500m, tearing degree 230-280mN, fold number 40-90, brigh...  
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...  

Matches 201 - 250 out of 1,026