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Matches 1 - 50 out of 3,026

Document Document Title
WO/2022/095100A1
A preparation method for a multi-scale nanocellulose film based on flax fibers, comprising: weighing flax plant fibers, then adding sulfuric acid for hydrolysis to perform pretreatment, after the hydrolysis is completed, adding water to ...  
WO/2022/095639A1
A method and device for separating a printing ink and a fiber by dry-process magnetic force difference coupled vibration. The device comprises a fiber crushing machine unit (1), a magnetic force difference coupled vibrator (2), an accele...  
WO/2022/097175A1
A method (100) for processing fibrous matter from a waste material involves obtaining (101) the waste material, trimming (102) the waste material, pre-treating (104), second mechanical treatment (106), washing (108), first chemical treat...  
WO/2022/096743A1
The invention related to an apparatus for recycling of lignocellulosic fibres from a fibreboard (10) comprising compressed lignocellulosic fibres bonded together by a binding agent. The apparatus (100) comprises a transport device (110) ...  
WO/2022/086456A1
The present invention relates to a process for deinking and desiliconizing paper product comprising the steps of (i) pulp screening and treating the paper product using an aqueous solution comprising alkylene glycol ether, sodium hydroxi...  
WO/2022/069433A1
The invention relates to a method for controlling a device for treating fibrous material (1), said device comprising a housing (2), in which a first treatment tool (3) and a second treatment tool (4) are arranged, wherein in each case th...  
WO/2022/061415A1
A portable paper article destruction and pulping system and method of use thereof is provided. In one form, the system includes a pulping chamber in fluid communication with a feed device for receiving one or more paper articles or porti...  
WO/2022/060922A1
A solid lignocellulosic bioplastic can be formed from a biomass comprising an intertwined structure of lignin, hemicellulose, and cellulose. The lignin in the biomass can be dissolved such that the cellulose is fibrillated. After the lig...  
WO/2022/043036A1
The invention relates to an arrangement and to a plurality of methods for controlling a device for treating a fibrous material, wherein the device has a housing, in which at least a first treatment tool (1, 3) and a second treatment tool...  
WO/2022/043363A1
The invention relates to a device and a method for treating fibers. The device has a multipart housing in which at least one first treatment tool (1, 3) and a second treatment tool (2, 4) are arranged. The treatment tools (1, 2, 3, 4) ha...  
WO/2022/028201A1
Disclosed are a dry waste paper pulp and a preparation method therefor. The method comprises: (1) dispersing packed waste paper and removing light and heavy impurities mixed into the waste paper by means of dry screening; (2) removing ir...  
WO/2021/262593A1
A chip sorting screen utilizing a plurality of shaped wire elements sized and spaced to allow for efficient sorting of wood chips and fiber elements. The chip sorting screen includes an upper surface formed of shaped wire elements arrang...  
WO/2021/251861A1
A pre-hydrolysis pressure vessel system comprising a transport screw arrangement (3), said transport screw arrangement comprising a transport screw (5) provided inside an enclosing housing (7), said transport screw (5) being configured f...  
WO/2021/246927A1
The present invention relates to a method for defibrating a lignocellulosic material in a steam explosion process, the method comprising: - supplying (1001) lignocellulosic material to a reactor (8), - treating (1002) the lignocellulosic...  
WO/2021/237436A1
Provided is a papermaking control system for maintaining the stability of the quantitative weight, thickness and moisture content, the system comprising: a feeding setting for selecting a papermaking raw material and providing a control ...  
WO/2021/239647A1
The present disclosure generally relates to a method for controlled pretreatment of lignocellulosic biomass. The method comprises the steps of: Pretreating (S10) a lignocellulosic biomass material in a pretreatment arrangement, the pretr...  
WO/2021/234211A1
The present invention is directed to a screen plate (106, 301, 400, 600, 700), a segment for a screen plate and an apparatus for screening a suspension, wherein the screening is carried out using a screen plate (106, 301, 400, 600, 700) ...  
WO/2021/229144A1
A method for producing recycled fibers from MDF or HDF containing material, for instance for use in MDF or HDF production. The method comprises steaming (2) the MDF or HDF containing material for a predetermined time to obtain steamed ma...  
WO/2021/227249A1
Low-grammage writing paper and a preparation method therefor. The low-grammage writing paper comprises the following components in parts by weight: 50-90 parts of recycled office waste paper, 0-50 parts of recycled book and magazine pape...  
WO/2021/226693A1
The present invention relates to a process to produce highly microfibrillated cellulose (MFC) and nanofibrillated cellulose (NFC). The invention also refers to a microfibrillated/nanofibrillated cellulose produced according to such proce...  
WO/2021/226694A1
The present invention relates the use of a microfibrillated cellulose as a suspension stabilizer agent, a network structuring agent, or a network structuring additive in the manufacture of a liquid composition having a particulate system...  
WO/2021/225491A1
A defibrator system comprising: a preheater (3), a defibrator (7), a feed screw arrangement (11) and a return steam pipe (23) configured for transferring steam from the feed screw arrangement to the preheater, wherein the return steam pi...  
WO/2021/225490A1
The invention relates to a method and an apparatus for defibrating wood chips comprising a preheater (130) and a defibrator (150), said preheater comprising a wood chips inlet and a wood chips outlet, the defibrator comprising a wood chi...  
WO/2021/226094A1
Low dose/short duration ozone treatment of cellulosic biomass waste, such as from the paper, cardboard and cotton fabric and textile recycling and waste or from agricultural waste, is used in a process for producing ethanol, optionally i...  
WO/2021/225498A1
The present invention relates to a defibrator assembly (10) comprising - a preheater (11) for treating lignocellulosic material before defibration, - a defibrator (12) for receiving lignocellulosic material from the preheater (11) and de...  
WO/2021/219776A1
The invention relates to a method for working up waste paper, comprising at least one first flotation step for removing printing inks from a waste paper material suspension. When detached, lye-soaked wet labels are used, according to the...  
WO/2021/213710A1
The invention relates to a method for producing a cover liner and/or back liner of a gypsum plaster board comprising a central layer which is arranged between the cover liner and the back liner and which contains gypsum. A fibrous materi...  
WO/2021/209447A1
An apparatus (100) for processing a suspension comprising organic material and liquid, comprising a housing (10) comprising an inlet (11) and an outlet (12); a container (40) arranged within the housing (10); a screw (50) comprising a sc...  
WO/2021/187402A1
This invention involves: a step for preparing a skid or pallet with a size enabling the skid or pallet to be mounted on the deck of a carrying vehicle; a step for installing a defibration device on the skid or pallet and manufacturing a ...  
WO/2021/181007A1
According to an example aspect of the present invention, there is provided a method of separating cellulosic fibres and non-cellulosic fibres from a mixed fibre textile material comprising cellulosic and non-cellulosic fibres. The method...  
WO/2021/176326A1
The process for the production of particle board, MDF board or HDF board comprises the step of recycling particle board material, MDF and/or HDF board material in which recycled chips and/or recycled wood fibers are produced. The process...  
WO/2021/175719A1
The invention is concerned with the area of preparation techniques and relates to a method for producing molded parts, such as plant pots or containers for example. The aim of the invention consists in providing a simple and cost-effecti...  
WO/2021/171014A1
A plant and process for performing thermolysis of cellulose uses a thermolysis reactor (20) which comprises a reactor duct (30) having a longitudinal axis (31), and an eductor (32) at one end of the reactor duct (30). The eductor (32) ha...  
WO/2021/170779A1
The invention relates to a method for reducing volatile organic compounds (VOC) from wood chips for wood fibre production in a processing system (1), at least comprising the following consecutive steps: a first thermal treatment of the w...  
WO/2021/166462A1
Provided is a method for producing paper pulp, the method enabling the reuse of raw material for papermaking without finely grinding end bits and broken bits of aramid paper. A method for producing paper pulp, the method comprising dis...  
WO/2021/167511A1
A method and system for recovery of energy from a continuously operated steam explosion reactor (218) for production of biomass pellets or briquettes, said method comprising the steps of: - condensing a blow-steam from the steam explosio...  
WO/2021/164295A1
A thermal-adapting and environment-friendly soundproof floor, composed of three parts: a packaging material, a functional filler, and a surface wear-resistant layer, wherein the packaging material is a resin matrix prepared by taking 45-...  
WO/2021/156190A1
The present inventive concept relates to a process for manufacturing a fiber based cellulose web for dry forming comprising. The process comprises providing a wet cellulose pulp; free drying said wet cellulose pulp to a free dried cellul...  
WO/2021/152220A1
To enable economical use of nanocellulosic materials both in small and large sized applications, a method has been developed for production of concentrates containing nanocellulose materials and cellulosic fibres, using parts of non-wood...  
WO/2021/140249A1
The invention to which this application relates is apparatus and a method for use in the preconditioning, processing of a material mixture and forming of end products from the processed material mixture which includes fibres such as cell...  
WO/2021/110188A1
The invention relates to a method having the following steps: Comminuting non-wood plant material such that it can be conveyed through a helical screw system; combining with a carbonate solution; mixing for 5 to 20 min, adding steam with...  
WO/2021/112749A1
A process for recycling lignocellulosic fibers from a fiberboard (100) comprising compressed lignocellulosic fibers bonded together by a binding agent. The process comprises the steps of: - disintegrating (101) the fiberboard (100) to pr...  
WO/2021/105538A1
The invention relates to a shredding method and a device for obtaining nanocellulose, the method consisting of: (i) a first step in which a solution of bleached cellulose diluted in water is subjected to pressure in a chamber; (ii) a sec...  
WO/2021/104691A1
The invention relates to a method for macerating a material to be conveyed, wherein the material to be conveyed is passed over a compression screw (2) and is macerated and compressed into a gas-tight and liquid-tight plug. The invention ...  
WO/2021/104692A1
The invention relates to a method for conveying a material to be conveyed into an overpressure region (1) or out of an overpressure region (1), said material to be conveyed being supplied and/or discharged via a plug screw feeder (2) and...  
WO/2021/074446A1
The present invention pertains to a method to enable recycling of a panel comprising as a core structural component a polysaccharide fibre based plate at least one side of which is covered with a layer of a non water soluble adhesive, th...  
WO/2021/062887A1
Provided is a straw biodegradable composite bacterial agent, said compound bacterial agent being a composition of Bacillus subtilis, Bacillus amyloliquefaciens, Bacillus cereus, Phanerochaete chrysosporium, and Trametes versicolor. Biode...  
WO/2021/063555A1
The invention relates to a method and to a plant for applying glue to a fibrous material in a fibrous material/steam mixture which is conducted via a blow line (1) from a refiner (2) to a glue application device (3) and further to a drye...  
WO/2021/061243A1
A peel and stick strip for smoking papers and wraps that is non-toxic and taste neutral for manual creation of rolled plant material fit for smoking, comprising smoking paper, a food grade self adhesive strip attached to the smoking pape...  
WO/2021/052652A1
The invention relates to a method for cleaning an impurity-containing fibrous stock suspension (1) which is formed at least partially from waste paper with at least two closed sorters (2, 3, 4, 5) which are arranged in series and in whic...  

Matches 1 - 50 out of 3,026