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WO/2018/104484A1 |
The invention relates to a method for treating biomass (1). In a step (S10) of the method, the biomass (1) and an amount of water (2) is fed into a first reactor unit (10) such that the biomass (1) is impregnated using the amount of wate...
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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/2018/104485A1 |
The invention relates to a method for treating biomass. In a first step (S10), the biomass (10) and a treatment medium (11) are fed into a treatment unit (12) such that the treatment medium (11) interacts with the biomass (10) in order t...
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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/2018/087658A1 |
The invention relates to the chemical industry, and more particularly to technology for producing purified cellulose from flax fibre. The essence of the invention is that during the purification of flax fibres using a chemical method, li...
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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/2018/038672A1 |
The present invention relates to a method of preparing grafted copolymers of lignin and/or cellulose, comprising the generation of macroradicals in situ by mechanical impact on the backbone of said lignin and/or cellulose of said lignin ...
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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/2017/207872A1 |
The present invention relates to a novel process of splitting cellulosic material using an electromagnetic radiation and a process of producing ethanol from cellulosic material. The invention provides a cost effective and environmentally...
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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/2017/200470A1 |
The invention relates to an improved method for generating clean steam in a digester plant of a chemical pulp mill. By feeding a steam-to-steam converter (SSC) with venting steam from a black liquor flash tank (FT) as well as venting ste...
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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/2017/182713A1 |
The present invention relates to a method and an arrangement for generating process steam at a chemical pulp mill. In the method is heated by subjecting it to an indirect heat exchange contact with steam in a heat exchanger. The water is...
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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/2017/166857A1 |
A method for manufacturing degradable paper mulches using cotton stalks, comprising the following steps: (1) cutting cotton stalks into segments; (2) conveying the segments into a steaming bin for pre-steaming, and then conveying same to...
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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/2017/142445A1 |
A method for obtaining a strong hydrolysate from cellulose material after a hydrolysis in a batch digester. According to the invention is the cellulose material exposed to a 2-stage hydrolysis with a first steam phase hydrolysis followed...
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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/2017/109468A1 |
A process is provided for preparing a low density, fibrous primary lignocellulose biomass, particularly straw for anaerobic digestion at large scale, i.e. >2 MWth, which comprises a step that greatly increasing the density of the straw t...
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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/2017/100907A1 |
A process for producing alcohol from lignocellulosic biomass includes adding at least one of sulfur dioxide and sulfurous acid to the lignocellulosic biomass to provide an effective sulfur dioxide dosage and/or effective sulfur dioxide s...
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WO/2017/102330A1 |
The steam saving device for a steam explosion system for the hydrothermal pretreatment of biomass comprises a tubular body (30) with a first open end (32) and a second open end (34). The first open end (32) being adapted to be coupled to...
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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/2017/095313A1 |
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/2017/088061A1 |
Discharging pretreated biomass from a pretreatment reactor and mixing the discharged pretreated biomass with a cooling liquid in a vessel provides a cooled slurry having a consistency that is less than about 12 wt%. Since the consistency...
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WO/2016/197233A1 |
A highly pure lignin comprising a lignin content of at least 97% and characterized by a low carbohydrate content and substantially no sulfur content is disclosed herein. An organosolv process for extracting the highly pure lignin is also...
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WO/2016/188507A1 |
Technical problem: Biomass stored in the fermenters is processed insufficiently during anaerobic digestion because the microorganisms cannot decompose lignocellulose compounds forming cell walls of biomass with the desired efficiency. So...
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WO/2016/182867A1 |
A method of producing bleached microcrystalline cellulose which method comprises neutralizing or alkalizing an acidic microcrystalline production reaction mixture slurry, typically produced by acid hydrolysis or by electronic beam irradi...
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WO/2016/168195A1 |
The present application relates to reaction mixtures comprising biomass, a solid acid catalyst and celluloytic enzymes or organisms expressing such enzymes for converting biomass to useful feedstocks and methods of forming products via f...
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WO/2016/161515A1 |
A two-step method for activating a cellulosic feedstock is described. The feedstock is subjected to a first high temperature activation step at a temperature greater than 190°C and a second activation step at a lower temperature under a...
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WO/2016/145527A1 |
Provided herein is a process for producing a fermentation product from a lignocellulosic feedstock. The process comprises soaking a lignocellulosic feedstock in an aqueous solution to produce a soaked feedstock. The soaked feedstock is a...
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WO/2016/145531A1 |
A process for producing ethanol from lignocellulosic biomass includes adding at least one of sulfur dioxide and sulfurous acid to the lignocellulosic biomass to provide an equivalent sulfur dioxide loading of at least 10 wt% sulfur dioxi...
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WO/2016/145530A1 |
The present invention provides a process for producing a fermentation product from a lignocellulosic feedstock. The process comprises soaking a lignocellulosic feedstock in an aqueous solution to produce a soaked feedstock. The soaked fe...
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WO/2016/141432A1 |
A reactor apparatus and reactor system for treating a lignocellulosic material is provided, said apparatus and system including a reactor which is switchable between a first mode for producing a first reaction product including a partial...
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WO/2016/138587A1 |
The present disclosure relates to a process for extracting sugars from a pretreated lignocellulosic biomass. This process consists of contacting the pretreated lignocellulosic biomass with low charges of an aqueous peroxy acid (PA) solut...
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WO/2016/128221A1 |
It is disclosed a process to transfer a ligno-cellulosic feedstock from a low pressure zone to a high pressure zone. A slurry the ligno-cellulosic feedstock is first provided, which is then subjected to a multi-step liquid removal proces...
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WO/2016/126185A1 |
The present invention relates to a method for pretreating a softwood starting material comprising the following steps: a) pretreating the softwood starting material in a pretreatment process to form a slurry; b) measuring the concentrati...
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WO/2016/101076A1 |
A process and system for producing a synthetic hydrocarbon having a desired H/C ratio is disclosed. Organic material is biochemically digested in a two stage biodigester for separately producing a hydrogen containing biogas substantially...
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WO/2016/090472A1 |
The present invention relates to novel polypeptides and enzymes (e.g., thermostable proteins and enzymes) having activities relating to biomass processing and/or degradation (e.g., cell wall deconstruction), as well as polynucleotides, v...
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WO/2016/090474A1 |
The present invention relates to novel polypeptides and enzymes (e.g., thermostable proteins and enzymes) having activities relating to biomass processing and/or degradation (e.g., cell wall deconstruction), as well as polynucleotides, v...
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WO/2016/090473A1 |
The present invention relates to novel polypeptides and enzymes (e.g., thermostable proteins and enzymes) having activities relating to biomass processing and/or degradation (e.g., cell wall deconstruction), as well as polynucleotides, v...
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WO/2016/080895A1 |
The present invention relates to a process for the production of treated pulp comprising the steps of: i. providing a fibre source material; ii. subjecting the fibre source material to pre-hydrolysis; iii. subjecting the pre-hydrolysed f...
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WO/2016/077405A1 |
A process for fractionating high-ash lignocellulosic biomass is provided, comprising: (a) providing a biomass feedstock comprising lignocellulosic material and ash, some of which may be removed before digestion; (b) contacting the feedst...
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WO/2016/072885A2 |
The invention relates to the chemical industry, and more particularly to a method for producing cellulose from different cellulosic raw materials for the paper and textile industries and other branches of industry, including for gunpowde...
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WO/2016/067264A1 |
The invention relates to the use of a strain of basidiomycete fungus belonging to the Polyporus brumalis species, for the fungal pretreatment of a lignocellulosic biomass in a solid medium.
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WO/2016/062919A1 |
The present invention relates to a method of treating biomass, comprising providing a lignocellulosic biomass feedstock; contacting the biomass feedstock in a mixture, which is formed by the biomass, water and an alkaline agent, with an ...
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WO/2016/051202A1 |
Described herein is a method for processing straw into an intermediate straw product. The method comprises: (a) treating straw with an alkaline solution having a p H of between about 10 and about 14, at a temperature of between about 20Â...
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WO/2016/032374A1 |
The invention is related to a method for the preparation of kraft pulp with increased pulping yield from lignin-containing cellulosic material using polysulfide cooking liquor. In order to obtain a cost efficient system both in aspects o...
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