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WO/2014/111412A1 |
The invention relates to a device (a cylindrical refiner or conical refiner) for removing impurities from shredded plastic, comprising at least one first cleaning body with an outer surface, which forms a first cleaning surface and which...
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WO/2014/109693A1 |
The invention relates to an apparatus (100) for washing and/or dewatering of cellulose pulp, which apparatus (100) comprises a first movable permeable surface (21); a pulp transportation chamber wall (22) and a pulp transportation chambe...
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WO/2014/106684A1 |
The invention relates to methods of producing microfibrillated cellulose (MFC). According to the invention a fibrous pulp suspension is fibrillated mechanically at a consistency of less than 12.5 %, dewatered to raise the consistency of ...
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WO/2014/091084A1 |
According to one exemplary embodiment, the application relates to a method (100) for processing a fiber material, comprising refining (130, 140) the fiber material, which is used in the manufacture of a fibrous product and which contains...
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WO/2014/084788A1 |
The invention relates to a screening apparatus for screening pulp suspensions, comprising a casing (1), in which casing (1) a cylindrical screening member (5) is arranged for dividing the pulp into accept and reject, an inlet (2) for the...
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WO/2014/067719A1 |
The invention relates to a rotating drum for treating fibrous material, the axis of rotation (3) of which is inclined by at most 30° to the horizontal, with a dissolving zone (1) adjoining an end face of the drum, into which zone the fi...
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WO/2014/070452A1 |
A method for producing micro fibrillated cellulosic material from pulp where multiple passes through a medium consistency refiner are made either singularly or in combination with low consistency refiners and high consistency refiners.
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WO/2014/044475A1 |
The invention relates to a method for the fractionation of a fibre suspension (1) produced from used paper or from broke of a machine for the production of multi-layer fibre webs, wherein a long fibre fraction (11) with predominantly lon...
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WO/2014/045209A1 |
Device for defibrating fibre-containing material to produce microfibrillated cellulose, wherein the device comprising a rotatably-mounted first rotor (1) equipped with collision surfaces (3a, 3b) mounted thereon in concentric conical rin...
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WO/2014/041286A1 |
The invention relates to a method for producing a multi-layer fibrous support, comprising the following steps: a paper pulp comprising fibres and fines is agitated so as to form a fibrous suspension; the fibrous suspension is fractionate...
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WO/2014/042010A1 |
Provided is a screen device for papermaking raw material that can facilitate pulping of raw material. The screen device for papermaking raw material is provided with a screen inlet chamber (6) that sorts papermaking raw material (A) into...
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WO/2014/037178A1 |
The invention relates to a device for removing long fibres from a fibrous suspension, comprising at least one rotor (1) having rotor blades (2), in which device a jet (3) of the fibrous suspension is directed onto the rotor blades (2) of...
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WO/2014/032928A1 |
The invention relates to a method for cleaning a fibrous-material suspension (1) by means of a pressure screen (5), wherein the fibrous-material suspension (1) is introduced into a feed chamber (2) and the materials to be precipitated ac...
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WO/2014/031737A1 |
Various embodiments of the present invention relate to surface enhanced pulp fibers, various products incorporating surface enhanced pulp fibers, and methods and systems for producing surface enhanced pulp fibers. Various embodiments of ...
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WO/2014/028466A1 |
A multi-zoned screening apparatus (100) is disclosed for separating fiber from a liquid medium during, for example, a grain wet mill or dry grind process. The apparatus can include a housing (106) having a first and second zone (116A) an...
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WO/2014/023692A1 |
The invention relates to a broke system for the treatment of broke of a machine for producing a paper, cardboard, tissue or another fibrous web, wherein the broke is broken down in at least one mechanical pulper, and the fibrous stock su...
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WO/2014/020002A1 |
The invention relates to a disc filter for separating off liquids from a suspension (1), in particular a fibre suspension, having a container (2) for receiving the suspension (1), a hollow shaft (4) that is horizontally extending in the ...
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WO/2013/175078A1 |
The present invention relates to a rotor element for use with a rotor and a rotor featuring said elements. The rotor is used in a screening apparatus of the pulp and paper industry. The rotor element (10) has a longitudinal centreline CL...
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WO/2013/149913A1 |
The present invention relates to a process for removal of solid non-fibrous material from an aqueous pulp suspension comprising providing an aqueous pulp suspension comprising solid non-fibrous material, removing at least part of the sol...
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WO/2013/149795A1 |
The invention relates to a strainer for treating a liquid to paste-like medium comprising a plurality of strainer openings (5) and an intake side (7) facing away from the direction of flow (6) and a discharge side (8) facing the directio...
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WO/2013/133750A1 |
The invention is related to an apparatus for manufacturing fibre pulp from lignocellulose-containing material, comprising a housing (2) enclosing two refining disks (3, 4) having opposing refining elements (6, 7), which refining elements...
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WO/2013/117823A1 |
The invention relates to pretreating of native cellulose pulp in the manufacture of nanofibrillated cellulose, and to a nanofibrillated cellulose product obtainable by the method.
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WO/2013/105888A1 |
The invention relates to an improved profile bar screen for draining treatment liquor from a suspension of comminuted cellulose material and treatment liquor in an essentially cylindrical digester vessel. Withdrawal screens for digesters...
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WO/2013/100799A1 |
The invention relates to equipment for grinding and drying materials. The disperser comprises a housing (1), a rotor (2) arranged therein with radial blades (3), which rotor is fixed to a shaft (4) with the capacity for rotation, and an ...
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WO/2013/095266A1 |
The present invention relates to a method for production of a paper product comprising the following step: a) providing a chemical pulp b) adding lignosulfonate to the chemical pulp such that a chemical pulp comprising lignosulfonate is ...
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WO/2013/095203A1 |
In the pulp and paper industry, there is a need to follow up process variables spatially directly in the refining zone of refiners, in order to control the process to reduce the variations in energy consumption and pulp quality. This is ...
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WO/2013/083509A1 |
The invention relates to a screen device which can be used to screen a fibrous-material suspension (S). The device is provided with an inlet chamber (4) for said fibrous-material suspension (S), with at least one screen basket (1) that i...
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WO/2013/083395A1 |
The present invention relates to a process and to an arrangement for treatment of a filtrate (1) which is obtained in the course of production of a fibrous material suspension or of a fibrous material web, wherein the filtrate (1) is fra...
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WO/2013/081527A1 |
A stand for a refining apparatus which minimizes the problem of non-alignment of the refining gaps disclosed. The stand comprises a support beam structure adapted to transfer axial forces from the bearing unit, during operation of the re...
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WO/2013/075995A1 |
The invention relates to a device for degassing liquid to paste-like media (1), in particular fibre suspensions in a closed container (2) which is connected to a vacuum source and which has at least one inlet (3) and at least one dischar...
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WO/2013/072559A1 |
In a method for producing nanofibril cellulose, cellulose based fibre material, in which internal bonds in the cellulose fibre have been weakened by chemical modification, are supplied, for separating fibrils, through several counter-rot...
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WO/2013/074764A1 |
A screening apparatus for recycled paper stock includes a screen basket and at least one microstickies colletor. The screen basket includes a fine perforated screen with a circumference. The at least one microstickies collector is positi...
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WO/2013/072558A1 |
A disc refiner comprises a refiner disc (1b) rotating around an axis (A) and forming together with an opposite refiner disc (1a) a refining gap (1c) which is transverse to the axis and whose width (the distance between the refining surfa...
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WO/2013/072174A1 |
The invention relates to a screen (2) having a plurality of slit-shaped screen openings (3) and intended for treating a suspension (1). The sorting effect and/or the throughput are to be improved, while guaranteeing the required screen s...
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WO/2013/072564A1 |
The invention relates to a method for manufacturing furnish for a paper product, wherein the manufactured furnish contains fibril cellulose material. The method comprises introducing first raw material to a system, which first raw materi...
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WO/2013/066239A1 |
A rotating machine (1) has a rotor (10), an outer bearing housing (20), a bearing (30) arranged for supporting radial forces between the rotor (10) and the outer housing (20) by mechanical contacts, and an inner bearing housing (40) of t...
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WO/2013/061266A1 |
The present invention relates to a process for producing a dispersion comprising microfibrillated cellulose and nanoparticles wherein the process comprises the steps; providing a slurry comprising pre-treated cellulose fibers, adding nan...
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WO/2013/055284A1 |
A device (10) is provided for preventing rewetting in a pulp washer (100), with two press rolls (2), arranged to rotate in opposite directions and having permeable outer surfaces (4), inside of which filtrate channels (6) are arranged. T...
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WO/2013/051995A1 |
A pulp distribution device (10) is provided for distribution of cellulose pulp having a concentration of 2-13% to a rotatable first permeable surface (21) in an apparatus (100) for washing cellulose pulp. The pulp distribution device com...
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WO/2013/045325A1 |
The invention relates to an operating method for a stock preparation zone in a paper, tissue or cardboard machine for producing a fibrous web, comprising at least one vat for preparing and storing a fibrous stock suspension and a measuri...
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WO/2013/044676A1 |
Disclosed in the present invention is a screen for treating a fiber suspension, especially a screen for treating a fiber suspension in the papermaking industry and the pulp industry. The screen has a large number of through openings for ...
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WO/2013/029930A1 |
The invention relates to a screen for treating a liquid to pasty medium, comprising a multiplicity of screen openings (1) and a coated inflow side (3) pointing counter to the through-flow direction (2) and a coated outflow side (4) point...
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WO/2013/023899A1 |
The invention relates to a screen for treating a fibrous material suspension suitable for producing a paper, cardboard, tissue or other fibrous material web, with a plurality of screen openings (1, 2), the smallest cross-sectional areas ...
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WO/2013/010755A1 |
The invention relates to a pressure screen for cleaning a fibrous suspension (1) with a screen element (2) formed rotationally symmetrical about a screen axis (7), which screen element divides the pressure screen into an infeed chamber (...
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WO/2013/010073A1 |
A refining plate segment (10) for a mechanical refiner of ligno-cellulosic material including: a refining surface on a substrate, wherein the refining surface faces a refining surface of an opposing refiner plate, the refining surface in...
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WO/2013/004506A1 |
The invention relates to a sorting device, comprising a plurality of parallel sorting slots (1) which are formed by profiled rods (2) coated with a wear protection layer (3). Indicating wear is to be made possible in a simple manner in t...
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WO/2013/000072A1 |
Particles are separated from a source viscoplastic fluid by flowing streams of the viscoplastic fluid and a destination fluid in parallel streamed relationship inside a rotating cylindrical annulus (Fig. 16 (106, 102b) by using baffles (...
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WO/2012/175806A2 |
In a method for manufacturing fibril cellulose, cellulose based fibre raw material is processed mechanically in a refining gap (2) for separating fibrils. The fibres to be refined are subjected to the action of a surface roughness Ra pro...
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WO/2012/159845A1 |
The invention relates to an apparatus for degassing a fibrous suspension (1) in a closed degassing chamber (2) having at least one feed port (3) via which the fibrous suspension (1) is introduced, the fibrous suspension (1) accumulating ...
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WO/2012/159876A1 |
The invention relates to a method for removing long fibres from a fibrous material suspension. The aim of the invention is to separate out long fibres as simply as possible. Said aim is achieved in that a jet (1) of the fibrous material ...
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