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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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-...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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WO/2021/041782A1 |
The invention herein disclosed and claimed is a process for refining fiber from lignocellulosic biomass. The process provides refined fiber and agriculturally amenable co-products, with a virtually waste-free systems design.
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WO/2021/038606A1 |
Selector machine (10) to clean incoherent material in particular wood- based and to eliminate inert materials contained in said incoherent material.
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WO/2021/032736A1 |
The invention relates to a method for preparing grass fibers, having the steps of providing a pulp suspension made of a specified content of at least two pulp types, wherein the first pulp type is grass fibers, and the second pulp type i...
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WO/2021/028955A1 |
A ring (10) to select incoherent material in the form of chip, in particular wood- based, and to eliminate inert materials contained in the incoherent material itself comprises a circumferential cusp (14) and two circumferential base sur...
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WO/2021/014206A1 |
Methods for preparing aqueous suspensions comprising microfibrillated cellulose, and optionally inorganic particulate material, with increased tensile properties, and methods for selecting a fibrous substrate comprising cellulose for pre...
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WO/2021/009988A1 |
Waste paper contains sticky foreign material, and the recovery and sending of this sticky foreign material to a paper-making process together with fiber is liable to lead not only to the sticky foreign material sticking to and contaminat...
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WO/2021/005259A1 |
The invention relates to a method for manufacturing the wood based powder (200, 200A, 200B, 200a, 200b, 200c), the method comprising soaking a primary piece of wood (110) or a log (910) in an aqueous solution for at least 1 hour. The pri...
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WO/2020/246137A1 |
Provided is a method for producing softwood-derived pulp fibers for paper, the method being capable of reducing the propensity for the product surface to become rough, and capable of reducing the propensity for the tensile strength to be...
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WO/2020/245053A1 |
The invention relates to a method for producing a cellulose paper material (150). The method comprises: i) providing (105) used textiles as a starting material (101), the used textiles containing cellulose and non-cellulose foreign subst...
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WO/2020/226544A1 |
The present invention relates to a screw assembly comprising an elongated screw for transporting lignocellulosic material, the elongated screw comprising a screw core and a screw blade arranged on said core, and an elongated screw housin...
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WO/2020/217757A1 |
Provided is a method which is for producing a recycled pulp fiber from a used absorbent article and by which an aqueous solution recovered in a production step can be reused and the amount of water used as the aqueous solution can be red...
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WO/2020/192432A1 |
Disclosed herein is a method for catalytically decomposing a lignocellulosic raw material, comprising: using an organic solvent to pre-treat the lignocellulosic raw material, adding a solid acid catalyst to perform boiling after the pre-...
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WO/2020/198417A2 |
Disclosed herein are curled fiber mats. Also disclosed herein are methods of making curled fiber mats, comprising forming a fibrous media from a fibrous material, treating the fibrous media with a crosslinking agent to form a treated fib...
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WO/2020/188606A1 |
A continuous-flow steam explosion reactor for pretreatment of organic material for further processing to value-added products is provided. The reactor comprises a loading section, a high-pressure retention section with an adjustable-spee...
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WO/2020/188324A1 |
The present invention relates to thermal insulation materials, particularly to environmentally friendly thermal insulation materials, manufacturing of which involves recycled raw materials and hemp fibres. The thermal insulation material...
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WO/2020/188306A1 |
The object of the invention is a method for recycling waste paper containing plant-based fibres at least partially coated with a wet-strengthening material. The characteristic feature of the invention is that the waste paper (H) is conve...
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WO/2020/181885A1 |
A pulping method for household paper, using a pulping system, the pulping system comprising a pulping machine, a white water pump, a roller conveyor, a chain conveyor, and a pulping discharge pump. The pulping method comprises the follow...
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WO/2020/185140A1 |
The invention relates to a double disc pulp refiner (10) comprising a first refining disc (11) and a second refining disc (12), the first refining disc being arranged at a feed end of the refiner (10) where lignocellulosic material (M) i...
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WO/2020/185135A1 |
The invention relates to a mixer (1) for mixing a gas into pulp, comprising: a chamber (30) having at least one inlet (32) for pulp and gas and at least one outlet (34) for pulp-gas mixture; said at least one inlet (32) for pulp and gas ...
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WO/2020/180225A1 |
A system(1) for refining lignocellulosic biomass material(A) comprising a presteaming bin(2), a dewatering device (3), apreheater (4), a defibrator (9) comprising at least one refining zone (14) wherein steam is generated during refining...
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WO/2020/152178A1 |
The present invention provides a method of producing an improved cellulose pulp consisting of cellulose fibers of a desired length, such as cellulose fibers having a length-weighted average fiber length Lc(l) > 0.6 mm and its use in cell...
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WO/2020/143134A1 |
A manufacturing method of recycled paper comprises: simultaneously shredding and de-inking waste paper, and forming de-inked dry flocculent fiber; spraying a liquid papermaking adhesive; and sequentially performing pressing and drying op...
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WO/2020/141589A1 |
The purpose of the present invention is to provide a method for producing a pulp fiber raw material suitable as a cellulose raw material. This invention is as follows. A method for producing pulp fiber raw material as a cellulose raw m...
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