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WO/2018/104330A1 |
There is provided a cellulose based fiber made of a i) cellulose dissolving pulp, and ii) a recycled cellulose textile, which is treated to swell the cellulose with a reducing additive and a) bleached with oxygen at alkaline conditions w...
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WO/2018/104490A1 |
The invention relates to a method for treating biomass (2). In a step (S10), biomass (2) and an impregnation liquid are fed into a first reactor unit (10) such that the biomass (2) is impregnated with the impregnation liquid while the bi...
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WO/2018/104489A1 |
The invention relates to a method for impregnating biomass (10). In a step (S100) of the method, a reactor unit (11) is fed with biomass (10) by means of a plug screw (12). In another step (S200), the reactor unit (11) is at least partia...
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WO/2018/094493A1 |
The present invention refers to the separation of cellulose pulp into distinct fractions with different draining and morphological characteristics, as well as the use of part of these fractions for the production of nanocellulose. The pr...
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WO/2018/096181A1 |
The present invention relates to methods of processing compositions comprising a lignosulfonate and a carbohydrate, methods of preparing a carbohydrate-enriched composition involving the above processing method, associated carbohydrate-e...
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WO/2018/085100A1 |
Processes for pulping raw pulp material, such as wood chips, to provide pulp fibers having increased bulk, as well as bleaching the resulting pulp fibers to provide bleached pulp fibers having increased bulk. These pulp fibers and bleach...
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WO/2018/075877A1 |
A cellulose nanofibrils production method comprising the step of: refining pulp to produce cellulose nanofibrils with a refining plate including an aperture at least partial through one of a dam or bar on the surface of the refining plate.
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WO/2018/069168A1 |
The invention relates to a method for extracting cellulose, hemicellulose and lignin from lignocellulose. Said method can be carried out in an environmentally friendly manner when it comprises the following steps: step a) lignocellulose ...
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WO/2018/049517A1 |
A novel method is disclosed to make cellulose filaments (CF) from wood or other plant fibers with lower energy consumption. The method consists of multi-stage, high consistency refining, followed by low consistency refining or by low con...
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WO/2018/049522A1 |
The present invention is directed to a method of transforming a pulp fibrous into a pre-dispersed semi-dry or dry fibrous material and to the material produced. The method opens, de-entangles and fibrillates the fibrous material of the i...
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WO/2018/004327A1 |
The present invention relates to a method for the gas-phase acid treatment of lignocellulosic materials, including cellulose mass, hemicellulose mass and lignin mass, in order to obtain high yields of glucose, C5 monosaccharides and lign...
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WO/2017/219127A1 |
The present disclosure is directed to a Pickering emulsion comprising cellulose filaments. The heterogeneity of the cellulose filament material is critical and beneficial to the formation of stable emulsions. Emulsions with high stabilit...
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WO/2017/221055A1 |
The present invention relates to the production of cellulose from coffee husks or cocoa shells. The cellulose extracted can be used to produce paper, card stock and cardboard. In addition, a composite material also comprising a material ...
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WO/2017/215877A1 |
The invention relates to a method for producing a fibrous material from lignocellulose from wood, preferably in the form of wood chips. The lignocellulose material is impregnated with a mixture of sodium sulfite and sodium bisulfite and ...
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WO/2017/204723A1 |
The present invention relates to a method of production of a paper fibre composition, comprising the steps of: a) Providing a vessel, b) Providing Na2S03 in the range of 12-122 kg/bdt combined with NaOH in the range of 0-97 kg/bdt, or Na...
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WO/2017/203329A1 |
The present invention discloses a cooking method and a digester system wherein partly digested cellulosic fiber source is compressed during cooking to provide high molecular weight lignin and pulp.
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WO/2017/204736A1 |
The invention relates to a method and an impregnation vessel where the bulk volume of impregnation liquor added is in form of hot black liquor having a residual alkali content. Hot black liquor is added in an upper central pipe supplying...
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WO/2017/192476A1 |
The present invention provides a pulp product (e.g., paper) comprising cellulose and nanocellulose, wherein the nanocellulose is derived from the cellulose in a mechanical and/or chemical step that is separate from the main pulping proce...
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WO/2017/189949A1 |
This disclosure relates to comestible products, digestive supplements, and meat meal products comprising comminuted Miscanthus plant fiber.
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WO/2017/179967A1 |
The present invention provides a method for the removal of testa from palm kernels, which comprises the steps of: (i) immersing the palm kernels in a solution of sodium carbonate (Na2CO3); (ii) heating the solution of step (i) at 85 to 9...
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WO/2017/178849A1 |
The present invention discloses the continuous process for production of cellulose pulp of very high whiteness from grass-like plant feedstock suitable for paper making. Process comprising the steps of: preparing the grass-like plant fee...
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WO/2017/166854A1 |
A method for making a corrugated medium using brownstock pulp of straw, comprising: (I) beating brownstock pulp of straw, the freeness being controlled within 28-32 °SR, the wet weight being 3.2-3.8 g; (II) beating waste paper pulp, the...
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WO/2017/173008A1 |
Multi-extraction methods for preparing hemicellulose compositions are provided. Depressant compositions comprising hemicellulose compositions are also provided herein. Also disclosed are processes for enriching a desired mineral from an ...
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WO/2017/166860A1 |
Method for producing brownstock pulp using straws, comprising the following steps: (1) cutting straws into segments; (2) conveying the segments into a steaming bin for pre-steaming, and then conveying same to a continuous digester for co...
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WO/2017/127004A1 |
The present invention relates to an improved process for producing dissolving pulp from a hydrolysis-kraft cooking process. The new process make it possible to control pulp viscosity in an efficient way by adding hydrogen peroxide to a f...
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WO/2017/112995A1 |
The present invention relates to an improved method for producing cellulose pulps with an increase in the quality and applicability of these pulps, especially in the properties of physical resistance and degree of drainability resistance...
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WO/2017/112834A1 |
A method of producing chemical cellulose pulp from sawdust utilizing a static down-flow retention vessel comprising the steps of continuously pressurizing a flow of sawdust using a progressive cavity pump to produce a pressurized sawdust...
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WO/2017/105322A1 |
The present invention relates to an improved process for producing dissolving pulp from a sulfite cooking process using a TCF bleaching sequence containing alkali extraction and alkaline peroxide bleaching in the pulp bleaching. The new ...
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WO/2017/103329A1 |
The present invention provides a method for producing parenchymal cell cellulose by using a high consistency alkali treatment and an optional refinement step, as well as an apparatus for its manufacture.
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WO/2017/099654A1 |
The invention relates to an improved treatment vessel screen (SC) for continuous treatment vessels. In order to obtain an easy cleaning of the withdrawal space behind screens in treatment vessels is the screen designed such that it may s...
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WO/2017/100299A1 |
In some embodiments, a method may include treating pulp in pulp and paper mills. The methods may include providing a peracetate oxidant solution and generating a reactive oxygen species. The peracetate solution may include peracetate ani...
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WO/2017/093526A1 |
A system and method to treat biomass to make bioproducts such as biofuels and biochemical is disclosed. The systems are configured to treat a liquid component separated from biomass to yield sugars available to form a fermentation produc...
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WO/2017/093511A1 |
The present invention relates to a method for fractionating a lignocellulosic biomass. More specifically, the present invention lies in the field of cellulose solvent- and organic solvent- based lignocellulose fractionation (COSLIF) of l...
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WO/2017/095313A1 |
It is disclosed a process to produce a bio-product starting from a ligno-cellulosic feedstock, comprising a pre-hydrolysis step of the ligno-cellulosic feedstock in one or more pre- hydrolysis vessels to produce a liquid pre -hydrolyzate...
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WO/2017/095316A1 |
The present invention relates to a composition comprising depolymerized lignin derivatives and a solvent and wherein the composition is suitable for preparing fuel. The depolymerized lignin comprises phenol derivatives and the compositio...
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WO/2017/086856A1 |
The invention relates to an improved method for generating steam in a digester plant of a chemical pulp mill. A mixture of alkaline cooking liquor and black liquor is before charge to the digester system heated in a reboiler producing bl...
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WO/2017/068048A1 |
The present invention relates to treatment of unbleached or partially bleached or alkaline extracted dissolving pulp with one or more cellulases. The cellulase treatment results in increased viscosity control, reduced viscosity and/or in...
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WO/2017/044030A1 |
The present invention relates to a novel sulfite dissolving pulp suitable for high tenacity applications having: a) a viscosity of 700-1000 ml/g; b) a R18 value of 93-95.5%; c) a R10 value in of 92-94%; d) a PD of 9-15; e) a proportion o...
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WO/2017/039439A1 |
Hydrochloric acid is recovered from a lignin composition in a process, comprising providing a particulate lignin composition that comprises lignin, water and hydrochloric acid; contacting the particulate lignin composition with a stream ...
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WO/2017/035535A1 |
Some variations provide a process for producing a nanocellulose material, comprising: providing a biomass feedstock comprising a bleached or unbleached pulp material; fractionating the feedstock in the presence of an acid, a solvent for ...
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WO/2017/032926A2 |
The present invention relates to a process for converting biomass comprising lignin, hemicellulose or combinations thereof, to valuable components, where the process comprises the step of treating biomass comprising lignin, hemicellulose...
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WO/2017/029685A2 |
The present invention relates to a process for producing cellulose with low inorganic impurities from sugarcane bagasse, the process comprising treating prehydrolysed sugarcane bagasse with a mixture of sulfite and at least one alkali to...
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WO/2016/196983A1 |
A cellulose nanofibrils production method comprising the steps of: identifying a desired level of cellulose nanofibrils pulp purity, partially refining pulp to produce a cellulose nanofibrils pulp purity between 5% and 15% less than the ...
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WO/2016/189205A1 |
The invention relates to a method for reducing pulp viscosity in production of dissolving pulp. The method comprises producing cellulose pulp, whereby the obtained cellulose pulp has a cellulose content of at least 90 %, and bleaching th...
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WO/2016/191503A1 |
The present disclosure relates to methods of processing lignocellulosic material to obtain cellulose and cellulose sugars. Also provided are compositions of cellulose hydrolysates.
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WO/2016/179846A1 |
A zero discharge process of pulping waste liquid of all-cotton straw chemi-mechanical pulp. The process comprises: firstly performing front-end high concentration extraction of pulping waste liquid, then performing evaporation and concen...
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WO/2016/179845A1 |
A pigment decomposition and pigment extraction production process for all-cotton straw chemi-mechanical pulp sequentially comprises: raw material washing, raw material cooking, squeezing, pulp washing, filament rolling, drug addition, im...
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WO/2016/172616A1 |
The present invention provides, among other things, methods including the steps of providing a cellulosic biomass, associating the cellulosic biomass with an organic liquid to form a mixture, treating the mixture to reduce the moisture c...
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WO/2016/171541A1 |
This patent details a method for the extraction of palm kernel oil (PKO) and defatted palm kernel fibre from various sources of palm kernel. Three sources of palm kernel are outlined: raw palm kernel with testa, palm kernel without testa...
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WO/2016/164389A1 |
The present invention relates to a process and a culture medium for biofuel and biochemical production by fermentation of lignocellulose biomass. The process describes the use of a solid-liquid mixed blend formed by solid fiber pulp, hyd...
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