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WO/2012/020938A2 |
The present invention relates to a method for simultaneously preparing porous silica and fiber. More particularly, the present invention relates to a method for simultaneously preparing natural silica concentrated in chaff shells and cha...
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WO/2012/017178A1 |
Deinking process with a view to recycling wastepaper, consisting in mixing the wastepaper with water and, through a pulping operation (1), in disintegrating this wastepaper and obtaining a paper pulp, followed by an operation of fraction...
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WO/2012/010181A1 |
Method to obtain pulp having a high content of cellulose for the use in a process of production of paper, paperboard, cardboard, substitutes and derivatives, comprising the steps of: (i). Sieving the collection product eliminating possib...
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WO/2012/007642A1 |
The present invention is related to chemical pulping. It provides a method by which dewatering in paper product production, optical properties, bulk and surface smoothness of the paper product produced can be increased. Said method invol...
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WO/2012/004725A1 |
A process for producing a cellulose-based thermally and/or acoustically insulating material, wherein said cellulose is at least in part derived from paper-mill sludge, characterized in that it envisages the addition to said sludge of at ...
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WO/2012/004459A1 |
A system and a method for producing fibrous raw material for thermal insulation in a thermomechanical process. In the production, cellulose-based chips (1 ) are conveyed from storage (10) to the removal of impurities; the impurities are ...
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WO/2012/001239A1 |
A method and an arrangement for treating stock formed of recycled fibre. The method comprises treating the stock in screen means (3, 33) and a flotation cell means (2), and screening the stock into accept and reject. Reject from the scre...
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WO/2012/000035A1 |
Lignocellulosic biomass is treated to increase accessibility of the material to enzymes and fermentative processes. Accessibility is increased by physical pre-treatment of the biomass using ultrasound and/or microwave and/or cool plasma....
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WO/2011/156212A2 |
A method to degrade or digest sludge, such as from pulp and/or paper manufacturing, is described. Compositions to use in the method are further described.
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WO/2011/147601A1 |
The invention relates to a device for the hydrolysis of preferably solid organic substrates, in particular of energy crops and plant residues, with a collection vessel (1) for receiving the organic substrates, with a conveying means (4) ...
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WO/2011/144196A1 |
The invention relates to a pulper comprising a supply chamber (2) and a displacement chamber (3) for handling materials in an especially gentle manner, having a diameter between the supply chamber and the displacement chamber that is at ...
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WO/2011/141899A1 |
The present invention relates to a bioprocess for recycling waste paper originated from high quality paper comprising the following steps: a) preparation of pulp; b) dilution with water of the pulped material obtained in a) c) enzymatic ...
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WO/2011/137551A1 |
The present invention relates to a cleaning table for cleaning lengths of cleft timber and comprising a frame (20) and mutually parallel coplanar rotary shafts (30) spaced apart by a set distance which are mounted on the frame (20). Each...
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WO/2011/124815A2 |
The invention relates to a method for obtaining a fermentable product intended for the production of metabolites by fermentation, characterised in that said method includes the following steps: a) detoxification of a polluted ligno-cellu...
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WO/2011/107476A2 |
The present invention concerns a method for treating waste material comprising: -Collecting release coated cellulose or polymeric sheets from producers and end- users thereof in the form of dense, bulky masses, such as rolls and stacks; ...
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WO/2011/095697A1 |
The invention relates to an apparatus for mixing a gaseous or liquid substance into fiber suspension. The apparatus comprises a tubular body (12), which defines a space that forms a flow channel for the suspension, in which body an inlet...
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WO/2011/095698A1 |
The present invention relates to an arrangement and a method for feeding chemical into a fiber suspension in a fiber suspension transfer line. The arrangement comprises in the flow direction of the suspension a pump (102), a closing valv...
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WO/2011/096316A1 |
Disclosed is a waste-paper processing device which comprises a pulper (14) that disintegrates materials to be recycled and that prepares recycled pulp; standard-size sheet tanks (11, 12) functioning as a plurality of material storages th...
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WO/2011/092378A1 |
The present solution is based on using one or more ligninolytic or pectinolytic enzymes or one or more enzymes having an otherwise decomposing effect on the structure of wood for preprocessing wood chips in an impregnating device (I2) fo...
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WO/2011/089942A1 |
A paper material supply device comprises: a hollow first duct (17) having a transfer space (16) therein; a paper material insertion section (18) provided on the upstream side of the first duct (17) and allowing a paper material (7) to be...
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WO/2011/088973A1 |
The invention relates to a method for producing wood pulp having an impregnation phase, a grinding phase (28) and a bleaching phase (14), in particular a peroxide bleaching phase. The invention is characterized in that an acid washing pr...
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WO/2011/081006A1 |
Disclosed is a waste paper processing device which performs a minimal recycling operation when a water outage occurs, then stops operating, and automatically performs maintenance actions, wherein, in an emergency operation action, a wate...
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WO/2011/077155A1 |
A method of recycling engineered wood panels such as fibre board recovers the constituent wood fibres for re-use as a substitute for virgin wood fibre. The wood panels are shredded and mixed with water to form a slurry, which is then hea...
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WO/2011/078760A1 |
By refining/grinding of pulp there is a need for using measurement information from traditional process variables in combination with measurement signals from the refining zones of refiners for estimating the quality of pulp output from ...
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WO/2011/077446A1 |
The present invention relates to a process of recycling the cotton fabrics. More particularly, the present invention provides a process, which provides a new way of manufacturing yarns i.e. yarns made of recycled cotton paper. The proces...
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WO/2011/074487A1 |
A waste paper processing system can prevent the amounts of initial recycled paper and final recycled paper including an unstable quality region from occurring. In the waste paper processing system, a storage tank (21) is provided along a...
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WO/2011/071386A1 |
The invention is related to a method for processing biomass derived from plants or animals, comprising the steps of : a. pre treating said material with an aqueous solution of acid or base; b. subsequently passaging saturated or super he...
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WO/2011/071668A1 |
A fibrillated fiber additive product and a process for making such fiber additives comprising the steps of providing a non- woody plant material, screening such material and subjecting the treated non-woody material to a refining step, s...
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WO/2011/066716A1 |
A ruminant-type high-concentration pulper comprises a tank body (9), a transmission shaft (10), a feed inlet (1), a water injection hole (3) and a discharge outlet (6). The feed inlet (1) is arranged on an upper part at one end of the ta...
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WO/2011/064023A1 |
The invention relates to a method for dissolving waste paper (3), in particular waste paper (3) contaminated with printing ink, for generating a fibrous material suspension (1), which is subsequently conducted through a plurality of drai...
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WO/2011/063799A1 |
The invention relates to a method for producing lignocellulosic fiber materials or natural-fiber-reinforced plastics, in particular medium-density fiberboards and fibrous molded bodies, wood-fiber insulating boards, wood polymer composit...
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WO/2011/055148A1 |
The invention according to the present invention relates to the manufacture of paper and or boards and/or binding agents and a method and apparatus related to the same by providing for the defibrillation of cellulose fibres into a form i...
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WO/2011/050298A2 |
A method for making fire retardant material including fire retardant cellulosic insulation. The method includes an arrangement for adding one or more feedstocks and a fire retardancy chemical compound to a common blend tank prior to feed...
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WO/2011/047892A1 |
The invention relates to a method for removing solid matter, in particular impurities, by means of flotation from a fibrous material suspension (S), wherein the fibrous material suspension (S) is mixed with gas (L), and wherein in at lea...
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WO/2011/045094A2 |
The invention relates to a pulper for comminuting and suspending fibrous material (F), consisting of a container (2) and at least one rotor (4) arranged in the container (2) for circulating a fibrous material suspension (1) located in th...
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WO/2011/029904A1 |
The invention relates to a method for converting wood fibres into a state processed by metering devices. The invention further relates to a wood fibre material that is prepared using said method and to an extrudate produced therefrom in ...
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WO/2011/021274A1 |
Screw segments (100, 200) capable of shearing, kneading, and extruding a material to be processed from the cylinder (1) of a screw extruder without occurrence of plugging in the cylinder (1). The screw segments (100, 200) comprise respec...
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WO/2011/021528A1 |
A whiteness selection device (98) that selects a plurality of differing degrees of whiteness, an economy operation selection device (99) that selects economy operation, and a control unit (97) are disposed; wherein the control unit (97),...
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WO/2011/015708A1 |
The invention relates to a method for producing mechanical pulp from a cellulose-based raw material by washing it in a chip washer (2). Water is removed from the washed raw material in a pulp thickener (4), and the pulp is refined in at ...
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WO/2011/016330A1 |
The disclosed device for producing waste paper pulp is provided with an agitation tank (32) that agitates waste paper and water, and a circulating pipe (41) that removes recycled-pulp-containing fluid (37) generated in the agitation tank...
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WO/2010/149711A2 |
The current invention relates to a method and apparatus for defϊbrillating cellulose fibres, achieved through single or multiple passes of raw or pre-processed cellulose fibre slurry, with a preferred solid material consistency range of...
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WO/2010/146244A1 |
The invention relates to a paper product formed from fiber-based pulp to which a material component of plant origin is added. According to the invention, the material component of plant origin is a material which is formed from small par...
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WO/2010/146223A1 |
The invention relates to a method of making a paper or paper board, in which method cut pulp is prepared by cutting basic cellulosic fiber pulp at the consistency of at least 25 % so that the average fiber length of the basic pulp is dec...
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WO/2010/142147A1 |
A wastewater zero discharge process for paper-making using biological pulping is provided, which comprises: 1) a digesting process: reducing digesting pressure to 0.3~0.4 Mpa, reducing digesting temperature to 130~140℃ and shortening d...
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WO/2010/139856A1 |
The invention relates to a method for coating a wear part, the use of a wear part coated according to the method, a wear part and a refiner. According to the invention, at least part of the wear part surface is treated with an organic-in...
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WO/2010/133749A1 |
Pulper used in the paper industry that processes pulp which pulper comprises a pulper container (19), a punched plate screen (15) installed to the mentioned container, a binnacle (8) out of the lower part (3) of the container for the mas...
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WO/2010/126420A1 |
There is a need to measure process variables spatially directly in the refining zone of refiners in the pulp and paper industry. This is accomplished by the invention and considers a control procedure where the difference between the dis...
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WO/2010/115785A1 |
The present invention relates to a process for the production of nano-fibrillar cellulose gels by providing cellulose fibres and at least one filler and/or pigment; combining the cellulose fibres and the at least one filler and/or pigmen...
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WO/2010/116948A1 |
Disclosed is a recycled pulp manufacturing device (100) provided with: a stirring tank (181) that uses stirring blades (184) to stir waste paper (6) together with water supplied by a water-supply unit (182), thereby defibrating the waste...
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WO/2010/112519A1 |
The present invention relates to a process for the production of suspensions of nano- fibrillar cellulose by providing cellulose fibres and at least one filler and/or pigment; combining the cellulose fibres and the at least one filler an...
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