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Matches 51 - 100 out of 3,658

Document Document Title
WO/2017/115017A1
An apparatus and a method for processing recycled material, comprising a first pulper (3) having an inlet (2) for receiving recycled material (1), a water inlet (26) for producing a mixture of water and particles of recycled material, a ...  
WO/2017/093568A1
A process for reducing the overall energy consumption in the production of nanocellulose dispersions from a base cellulosic material wherein said process comprises an intermediate step reducing the overall energy consumption by at least ...  
WO/2017/089022A1
The invention relates to a refining assembly for refining water-suspended pulp fibers (1) between two coaxial refining surfaces (2, 3) which form a refining gap (6), rotate in relation to each other and are formed by refining bars (4) an...  
WO/2017/061937A1
A center plate (10) for a rotor (6) in a pulp or fiber refiner (1) has a surface (200) provided with at least one feeding wing (100) for directing lignocellulose- containing material (7) flowing onto the surface (200) towards a periphery...  
WO/2017/061936A1
A center plate (10) for a rotor(6)in a pulp or fiber refiner (1) has a surface (200) provided with at least one feeding wing (100) for directing lignocellulose- containing material (7) flowing onto the surface (200) towards a periphery o...  
WO/2017/052391A1
The subject of the invention is the method of fractionation of waste paper stock during defibering and separate treatment of fractions of high flexibility in selection of operating parameters which allows various types of raw materials o...  
WO/2017/048171A1
A washing arrangement for washing and dewatering cellulose pulp, comprising a rotary drum (5) with a plurality of external compartments (6) on the drum for the pulp to be washed, which compartments are defined by axial compartment walls ...  
WO/2017/046455A1
In a method for producing nanofibrillar cellulose starting from cellulose pulp (P), where cellulose is in native form, the cellulose pulp is prebeaten by circulating it in form of aqueous suspension of fibres through a refining gap (G) f...  
WO/2017/041968A1
The invention relates to a rotating drum for treating a fibrous material (1), wherein the rotational axis (2) of the drum is inclined by maximally 10° relative to the horizontal. The drum comprises a dissolving zone (4) which adjoins a ...  
WO/2017/033125A1
Method for producing microfibrillated cellulose(MFC), wherein the method comprising the steps of: Pre-treating of chemical pulp, such that, the pulp reaches a Schopper-Riegler (SR) value above 50, and refining the pulp, at a consistency ...  
WO/2017/001359A1
The invention relates to an apparatus for the mechanical treatment of high-consistency fiber stock (1), having a housing (2) in which a first treatment tool (3) and a second treatment tool (4) are arranged to form a treatment gap, each t...  
WO/2016/203107A1
The present invention relates to a method for defiberizing fibrous material, especially recovered paper or recovered board, in a rotary defiberizing drum having a material defiberizing portion and a screening portion. The method comprise...  
WO/2016/198743A1
A blade element (1) for a refiner for refining fibrous material comprises a refining surface (3) provided with blade bars (8, 10) and blade grooves (9, 11) there-between. The blade bars (8, 10) have side walls (8'', 8''') facing away fro...  
WO/2016/197072A1
This invention provides a finely ground biomass material used to create biomass-containing plastics having a smooth surface, while also preventing creation of unwanted color including those created by the Maillard reaction which results ...  
WO/2016/193942A1
A device including a hollow body defining axially extending compartments therein for receiving a slurry of pulp fibers in a carrying flow. The device includes a stationary screen within the hollow body defining a slurry compartment on on...  
WO/2016/193942A9
A device including a hollow body defining axially extending compartments therein for receiving a slurry of pulp fibers in a carrying flow. The device includes a stationary screen within the hollow body defining a slurry compartment on on...  
WO/2016/193364A1
The invention relates to a pressure screen for fractionating a fibrous stock suspension (1), comprising a screen element (11) which is of rotationally symmetrical configuration about a screen axis (10) and divides the pressure screen int...  
WO/2016/189101A1
Aspects provide for a Whitewater processing system suitable for managing an ejected Whitewater spray during operation of a paper or board making machine. A de-air system may provide for improved removal of air from the Whitewater. A calm...  
WO/2016/189100A4
Aspects provide for a whitewater processing system suitable for managing an ejected whitewater spray during operation of a paper or board making machine. A de-air system may provide for improved removal of air from the whitewater. A calm...  
WO/2016/189100A1
Aspects provide for a whitewater processing system suitable for managing an ejected whitewater spray during operation of a paper or board making machine. A de-air system may provide for improved removal of air from the whitewater. A calm...  
WO/2016/172616A1
The present invention provides, among other things, methods including the steps of providing a cellulosic biomass, associating the cellulosic biomass with an organic liquid to form a mixture, treating the mixture to reduce the moisture c...  
WO/2016/170042A1
The invention relates to a method for monitoring a wear structure in a machine for generating or processing a fibrous material web, wherein the wear structure comprises at least one wear element, characterised in that the method comprise...  
WO/2016/165858A1
The invention relates to a device for sorting wet dirty fiber materials, in particular for sorting dissolved wastepaper for the first time, comprising a housing and a screen which has a plurality of screen openings through which a part o...  
WO/2016/157141A1
The present invention relates to an activated lignin composition, its manufacture and its use thereof. It also relates to a resin comprising lignin, its manufacture and use.  
WO/2016/142035A1
A bar-type screen cage (1) is specified which has profiled screen bars or profile bars (2) which are spaced apart in a circumferential direction. Multiple support arrangements (4) which are spaced apart in an axial direction of the scree...  
WO/2016/128092A1
The invention relates to a refining assembly for refining aqueously suspended pulp fibers between two refining surfaces (2, 3), which form a refining gap (1) and rotate in relation to each other and are formed by refining bars (4) and gr...  
WO/2016/124285A1
The invention relates to a method for treating a fibrous-material suspension flow formed at least partially of waste paper, at least comprising a dissolving process (1) and at least a subsequent first fractionation stage (2) for forming ...  
WO/2016/110836A1
A method for recycling paper to produce a less white and clean office paper product for paper printing and writing, said method comprising the steps of : collecting waste papers; sorting said collected papers waste without the need to se...  
WO/2016/106304A1
A process for fibrillating a fibrous pulp, and products made using the same. The process comprises providing a fibrous pulp of liquid and staple fibers having a first liquid to fibers ratio of less than or equal to 6:1, applying stress t...  
WO/2016/091968A1
The invention relates to a method for compression refining of fibers for papermaking, wherein a slurry of fibers with a consistency of between about 2 wt% and 20 wt% of dry fibers in water is subjected to compression forces in an apparat...  
WO/2016/083170A1
A method for producing packaging paper, in particular sack kraft paper, is specified, in which method fibrous stock suspension is thickened in a stock preparation to a solids concentration in the range from approximately 30% to approxima...  
WO/2016/081686A1
A wet process for cleaning biomass is disclosed, comprising: introducing biomass feedstock to a vibrating separator, to generate an overflow stream and an underflow stream, wherein the overflow stream comprises biomass and large grit, an...  
WO/2016/066894A1
A blade element (12) for a refiner (10, 11) for refining fibrous material comprises an inner edge (13) and an outer edge (14) and first blade bars (18) and first blade grooves (19) therebetween, the first blade bars and the first blade g...  
WO/2016/068783A1
A method of providing a diluted discharge pulp comprises the steps of providing (SIO) pulp with a first consistency in a digester (1), which pulp comprises cooked lignocellulosic fibrous material, diluting (S20) the provided pulp by feed...  
WO/2016/059292A1
The present invention relates to a screen cylinder (100) that is particularly suitable for screening, filtering, fractionating, or sorting cellulose pulp or fibre suspensions of the pulp and paper industry or other similar suspensions. T...  
WO/2016/044936A1
A pulp lifter mounted to a discharge end wall including an elongate body portion rotatable successively between a discharge condition, in which an outer end is raised above an inner end of the body portion to cause pulp in a pulp chamber...  
WO/2016/044935A1
An insert for covering one or more selected surfaces of a discharge end assembly including a discharge end wall of a mill shell partially defined by an outer perimeter wall thereof and a number of pulp lifters mounted on the discharge en...  
WO/2016/020184A1
The invention relates to a screening device (1), comprising: - a screen disc (3) which can rotate by means of a vertical rotating shaft (2) for screening a medium (4) to be screened, - a feed pipe (5) for feeding the medium (4) to be scr...  
WO/2016/007081A1
The invention relates to an arrangement (1) for drying a web W of tissue paper. The arrangement (1) comprising a Yankee drying cylinder (3) which is connected to a source (4) of hot steam so that hot steam can be supplied to the interior...  
WO/2015/197192A1
The invention is concerned with sets for mechanical processing, in particular refining, of suspended fibrous material as material to be treated in a refiner. A set comprises a die plate (2) which is configured as a perforated plate with ...  
WO/2015/194511A1
Provided is a glass interleaving paper with which scratching of glass plate surfaces can be suppressed in a circulation process or manufacturing step for storing and conveying a stacked plurality of glass plates. This glass interleaving ...  
WO/2015/180955A1
The invention relates to a filter (8) for fiber suspensions (5), having a shape which is rotationally symmetrical with respect to a filter axis (3) and consisting of a plurality of profiled rods (1) which are arranged in an axially paral...  
WO/2015/180844A1
The present invention relates to microfibrillated cellulose ("MFC"), in particular to microfibrillated cellulose, which is morphologically different from conventional MFC known in the art and/or which provides improved water retention pr...  
WO/2015/172969A1
The invention relates to a method for producing a rotationally symmetrical, in particular cylindrical screening device (10) comprising a plurality of profiled bars (12). According to said method, first strip-like bar holders (14) are pro...  
WO/2015/173376A1
A method for manufacturing microfibrillated cellulose, a particulate grinding medium suitable for use in said method, a material which wears rough, and a method for making said particulate grinding medium.  
WO/2015/171714A1
A scalable, energy efficient process for preparing cellulose nanofibers is disclosed. The process employs treating the cellulosic material with a first mechanical refiner with plates having a configuration of blades separated by grooves,...  
WO/2015/165659A1
The invention relates to a device (1) and to a method for processing materials, in particular raw materials in the production of paper, preferably comprising a pulper or a pulping drum, comprising a processing vessel (M, M1, M2) that can...  
WO/2015/133962A1
A refiner segment (1) for a refiner intended for defibrating lignocellulose- containing material has a refining surface comprising a group of first bars (10) and second bars (20), each first and second bar having a first end (10-1, 20-1)...  
WO/2015/127531A1
A method of recovering purified partly-hydrolyzed cellulose particles from a composition comprising agglomerated partly-hydrolyzed cellulose particles and an acid, using electrodialysis. The invention addresses the problem of reducing th...  
WO/2015/128323A1
The invention relates to an additive for producing paper and cardboard with a surface weight of < 180 g/m2, comprising the following features: the additive is a non-fibrillated cellulose-containing fiber material; and the additive is in ...  

Matches 51 - 100 out of 3,658