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WO/2020/118546A1 |
Disclosed is a printer for paper recycling, comprising a paper shredding device (1), a stirring device (2), a filtering device (3), a shaping device (4) and a printer (5). The paper shredding device (1) is used for shredding waste paper;...
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WO/2020/108665A1 |
A wheat straw pulp, a preparation method therefor, an application thereof, and a method for adjusting the degree of substitution of CMC. The preparation method for the wheat straw pulp comprises the following steps: using water as a medi...
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WO/2020/101107A1 |
According to an embodiment of the present invention, a method for producing seaweed pulp for paper comprises the steps of: filtering impurities out of seaweed sludge to extract a raw pulp solution; stirring the raw pulp solution to pulp ...
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WO/2020/099599A1 |
The invention relates to apparatus and a method for the extraction of one or more components from a biomass material, said apparatus including means to allow the biomass material to be pre-processed, which may include extraction and/or c...
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WO/2020/101239A1 |
A method for producing seaweed pulp for paper according to one embodiment of the present invention comprises the steps of: filtering impurities out of seaweed sludge to extract a raw pulp solution; stirring the raw pulp solution so as to...
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WO/2020/096854A1 |
A process for the isolation of cellulose nanofibers, in particular carboxylic acid functionalized cellulose nanofibers (MxG-CNF-CO2H) from the sustainable grass hybrid Miscanthus x. Giganteus (MxG). The process includes the steps of perf...
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WO/2020/094253A1 |
A selector roller for the selection of chip or similar materials, advantageously but not exclusively of wood material, comprising a hole (20) for the insertion on a roller-bearing shaft (12), and an external circumferential surface (16),...
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WO/2020/091675A1 |
The invention relates to a discharge screw arrangement (12) for discharging lignocellulosic material (7) from a lignocellulosic treatment reactor (1) and comprises a discharge screw (10), a feeder pipe (11) and a blow pipe (5), the disch...
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WO/2020/091640A1 |
A mixer (1 ) for mixing chemicals into pulp, comprising: - a chamber (30) with an inlet (32) for pulp and chemicals and an outlet (34) for mixed pulp; said inlet (32) for pulp and chemicals being arranged through a first wall (36) of sai...
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WO/2020/086900A1 |
Disclosed herein is a process, comprising: combining one or more additives with a feedstock to obtain a first mixture, the feedstock comprising a fibrous material and water, the fibrous material comprising lignin, cellulose, and hemicell...
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WO/2020/071979A1 |
A system for feeding lignocellulosic biomass material, comprising a pre- compressing stage for receiving biomass material and pre-compressing the material at a first pressure and a first compression ratio. A plug screw feeder receives th...
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WO/2020/048176A1 |
Disclosed is an acidic ammonium sulfite method-based production process for preparing fulvic acid and a high-strength corrugated paper pulp with non-wood fibers as a raw material. With the non-wood fibers as a raw material and by using a...
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WO/2020/050757A1 |
A feeding arrangement comprising a transportation means (3) for transportation of material from a material supply to at least a first chute (7) and a second chute (8), a plug screw feeder (11) for feeding the material to the treatment st...
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WO/2020/035476A1 |
The invention relates to a facility (1) for the treatment of paper end-products recovered on leaving the pulpers (2), which contain cellulose fibres contaminated with various substances containing at least a fraction of metallic material...
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WO/2020/033633A1 |
Where hydrothermal pretreatment of lignocellulosic feedstocks is conducted so as to avoid agitation, melted lignin microdroplets remain very small in size, typically < 3 μm. Carrying a net negative surface charge at neutral pH, the soli...
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WO/2020/022941A1 |
There is disclosed a refiner segment (10) adapted to be attached to a refiner disc (30) in a refiner (100) of lignocellulosic material, said refiner segment (10) being provided with a plurality of spaced apart bars (20,) extending in a d...
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WO/2020/015884A1 |
The invention relates to a device (1) and a method for producing nanofibres (5), in particular nanocellulose (56) from a mixture of substances (2) containing fibres (3, 4), wherein the device (1) comprises at least one outlet element (11...
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WO/2020/014762A1 |
The present invention relates to a process for producing a nanocellulosic material based on fractioning a cellulosic pulp stream originating from pre-treatment or from mechanical defibrillation (partially refined/defibrillated pulp) in c...
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WO/2020/012492A1 |
The present invention relates to a paper substrate for manufacturing a mosquito repellent coil. More particularly, the present invention relates to a paper coil comprising two more layers of the paper substrate incorporating insecticide ...
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WO/2020/014308A1 |
Yarn manufactured from recycled mixed clothing fibers and a process of making yarn manufactured from recycled mixed clothing fibers. Upcycled yarn has approximately 70% - 95% of fiber from separated used clothes fibers, whereby separated...
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WO/2020/014351A1 |
Disclosed herein is a mixture comprising at least one carbohydrate-active enzyme, at least one liquid natural polymer, and optionally at least one strength agent. The mixture is useful in methods of making paper or board and methods of i...
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WO/2020/005289A1 |
A system for treating cellulosic fibers to improve paper, board and tissue quality; the system involves splitting fibers into an original portion having original fibers and a refinable portion. The refinable portion may further be fracti...
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WO/2020/005130A1 |
A method for continuous steam explosion discharge of a pressurised reactor for thermal treatment of lignocellulose biomasses. The steam explosion discharge is complete decoupled from the thermal treatment step and the loss of steam from ...
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WO/2019/235987A1 |
The present disclosure provides a refiner segment (1) for refining of lignocellulosic material. The refiner segment (1) have a surface comprising a plurality of bars (10j) extending along a direction between an inner periphery (17a) of t...
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WO/2019/227285A1 |
Provided are compositions and processes concerning efficient downstream processing of products derived from organic acids pretreatment of plant materials.
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WO/2019/226087A1 |
A system for treatment of a biomass material, said system comprising:a first vessel (3) in which said biomass material is treated under a first pressure; a second vessel (5) in which said biomass material is received and held at a second...
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WO/2019/221652A1 |
According to the present invention, there is provided a mixing apparatus (10) for mixing fluids. The apparatus comprises a housing (12) having a mixing chamber (14). At least one inlet opening (18) communicates with the mixing chamber (1...
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WO/2019/212396A1 |
A system for treatment of a biomass material and a method for transporting biomass material, said system comprising: - a first vessel (3) in which said biomass material is treated at a first pressure; - a second vessel (5) in which said ...
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WO/2019/211051A1 |
The invention relates to a method for dissolving fibrous material, in particular waste paper. The fibrous material is supplied to a dissolution section (1) of a rotating drum where the fibrous material is mixed with water, and the fibrou...
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WO/2019/206530A1 |
The invention relates to a pulper for circulating a fibre suspension (2) contained in a container (1), comprising at least one wire (3), the wire surface thereof provided with wire openings (4) being swept by a rotor (5), wherein the rot...
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WO/2019/197862A1 |
A process having the steps of producing the web material with the papermaking machine; measuring a molar amount of a monovalent inorganic ionizable cation species (MIICS) in the web material; measuring a molar amount of a divalent inorga...
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WO/2019/197863A1 |
A process for manufacturing a web material is disclosed. The process generally comprises the steps of providing a papermaking machine with a monovalent inorganic ionizable cation species (MIICS) and a divalent inorganic ionizable cation ...
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WO/2019/200348A1 |
A process for improving high aspect ratio cellulose filament blends comprising the steps of: a) providing a blend of cellulose nano-filaments or blend of cellulose micro-filaments; b) diluting the blend of cellulose nano-filaments or the...
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WO/2019/187823A1 |
The present invention addresses the problem of developing a technology for efficiently manufacturing deinking pulp from printed material printed with UV ink. A method of manufacturing deinking pulp according to the present invention comp...
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WO/2019/179450A1 |
A rotary drum pulper (100), comprising a rotary drum (110), a feed hopper (120) and a water addition tube (140), the feed hopper (120) being used for inputting material to a feed end (130) of the rotary drum (110), the water addition tub...
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WO/2019/163873A1 |
This fibrillation aid is for fibrillating a hydrophobized cellulose-based fiber assembly in which the hydrogen atom of some of the hydroxyl groups of the cellulose-based fiber is substituted with an acyl group represented by general form...
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WO/2019/158616A1 |
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 ...
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WO/2019/154540A1 |
The invention relates to a method for producing a multilayer fibrous web (38), at least having a material preparation stage (4), two headboxes (24, 29, 34), and a forming section (20) for a paper machine for forming the multilayer fibrou...
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WO/2019/156605A1 |
The invention relates to a system (1) comprisinga feeding device (2) comprising a channel (6) havingan inlet (8) and an outlet (10)and a feed screw (12) for conveying biomass materialthrough the channel. The feed screw comprises a screw ...
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WO/2019/137830A1 |
Selector roller for the selection of wood chip, positionable on a shaft (12) alone, or adjacent to and at intervals from other selector rollers positioned on parallel shafts (12). The roller is shaped like a cusp (11), and the cusp (1 1)...
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WO/2019/132785A1 |
The present invention relates to a lignin-containing cellulose nanofiber characterized in that (a) the said lignin- containing cellulose nanofiber has a content of carboxyl group in a range of 0.2 -1.5 mmol/g, (b) the said lignin- contai...
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WO/2019/128024A1 |
A high-efficiency paper plastic separation and screening machine, comprising idler rollers (12) at two sides, a drum body located between the idler rollers (12), an electric motor (16), and a transmission mechanism; the drum body is comp...
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WO/2019/123766A1 |
The purpose of the present invention is to provide a recycled pulp fiber manufacturing method with which it is possible to easily obtain recycled pulp fibers containing less of a high water-absorption polymer without requiring any mechan...
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WO/2019/123765A1 |
The purpose of the present invention is to provide a recycled pulp fiber manufacturing method with which it is possible to easily inactivate and degrade a high water-absorption polymer using a single chemical. This method is for manufact...
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WO/2019/122694A1 |
The invention relates to an industrial system for refining plant fibres by steam explosion, comprising: - a pre-chamber (42), - a loader for loading the pre-chamber (42) with sheaves (24) of a fibrous plant, - a spark gap (44) arranged u...
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WO/2019/116126A1 |
The aim of the invention is to obtain a highly porous biodegradable absorbent material, produced from fruit exocarp and mesocarp and mycelia of macromycetic fungi. The material is structured in two layers, one of which is waterproof. The...
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WO/2019/115882A1 |
The invention relates to a method for treating aqueous feed by dissolved gas flotation, especially by dissolved air flotation (DAF), the aqueous feed originating from an industrial processing of fibrous material of cellulosic origin, suc...
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WO/2019/108113A1 |
Disclosed is a refiner plate (1) that is adapted to be attached to a rotatable refiner disc (10) on a refiner (100) for mechanical treatment of lignocellulosic material. The refiner plate (1) comprises a refining surface (11) that is ada...
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WO/2019/103674A1 |
According to the present invention, there is provided a cleaning system for biomass material handling systems and methods for such system.The cleaning system for a biomass material treatment stage in a continuous process system includes ...
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WO/2019/093777A1 |
The present invention relates to a method for producing pulp using Gelidium amansii, wherein the method is characterized by including: a step for supplying Gelidium amansii residue to an extractor; a step for performing extraction by app...
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