Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 2,459

Document Document Title
WO/2018/189757A1
A process is described for solubilizing residuals from squeezing citrus fruits (BA) comprising: a first step (101) of solubilizing residuals of squeezing citrus fruits (BA), wherein the solubilizing occurs: in a basic aqueous solution ob...  
WO/2018/191181A1
A super strong and tough densified wood structure is formed by subjecting a cellulose-based natural wood material to a chemical treatment that partially removes lignin therefrom. The treated wood retains lumina of the natural wood, with ...  
WO/2018/174778A1
The invention relates to a method for extraction of saccharides from a lignocellulose containing material and comprises the steps of mixing the lignocellulose containing material with an acidic water solution to create a slurry having a ...  
WO/2018/159980A1
Disclosed is a method for manufacturing pulp by using a red algae or red algae residue pulped with an aqueous alkaline solution. The present invention comprises the steps of: (1) washing a red algae or a red algae residue left after extr...  
WO/2018/146341A1
The invention relates to novel methods for processing lignocellulosic material. More specifically, the invention proves an integrated approach for processing cellulose to obtain paper and pulp and valorizing lignin to obtain value-added ...  
WO/2018/137793A1
The invention relates to a centrifuge arrangement (1) for carrying out an expansion process, comprising a centrifuge (2) having a drum (23) that comprises an inlet opening (21) and an outlet opening (22). A gas pressure can be generated ...  
WO/2018/137794A1
The invention relates to an extraction method for performing in a centrifuge arrangement, comprising a centrifuge (Z, Z1, Z2) having a centrifuge drum (2) which is arranged such that it can rotate about a drum axis (T) and which extends ...  
WO/2018/130528A1
The invention relates to the use of comb polymers as deposit inhibitors in pulp production according to the sulphate process (Kraft process), which comb polymers can be obtained by radical polymerisation of monoethylenically unsaturated ...  
WO/2018/114905A1
The invention relates to a two-stage digestion method for chemical fractionation of lignocellulose. In a first stage, the lignocellulose is pre-treated with water vapor or water at temperatures above 100 °C and increased pressures. In a...  
WO/2018/115290A1
The present invention relates to a method for manufacturing dissolving pulp using wood material, the method comprising the steps of; subjecting the wood material to a hydrothermal treatment using steam and/or water, a) digesting the wood...  
WO/2018/115428A1
The present invention relates to a method of pulping cotton-based raw material for producing dissolving pulp. More specifically, the invention relates to a process for producing dissolving pulp under alkaline conditions in combination wi...  
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...  
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...  
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...  
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...  
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...  
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...  
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.  
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 ...  
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...  
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...  
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...  
WO/2018/005259A3
In some variations, OCC is screened, cleaned, deinked, and mechanically refined to generate cellulose nanofibrils. The OCC may be subjected to further chemical, physical, or thermal processing, prior to mechanical refining. For example, ...  
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...  
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 ...  
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 ...  
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...  
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.  
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...  
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...  
WO/2017/189949A1
This disclosure relates to comestible products, digestive supplements, and meat meal products comprising comminuted Miscanthus plant fiber.  
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...  
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...  
WO/2017/173008A8
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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 ...  
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.  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2017/086887A3
This invention aims to develop a process tor fractionation of lignocellulosic biomass by contacting lignocelluIosic biomass with treatment liquid in close system at temperature not over 200 °C and pressure of 5 to 20 bars, wherein said ...  
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...  

Matches 1 - 50 out of 2,459