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WO/2003/014467A2 |
The invention includes a treatment apparatus (10) for treating fibrous cellulosic raw material suitable for use in a paper making plant comprising extracting means for extracting contrary material from the raw material, crushing means fo...
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WO/2003/012195A1 |
The process of a single layer linerboard paper with a great resistance to breaking, comprises two systems: (I) one which selects the super long fiber from either of the two plants called 'YUTE' or 'BANANA STEM', (2) an apparatus called t...
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WO/2003/010371A2 |
The invention relates to a method and a device for classifying valuable materials consisting of a viscoplastic fraction, particularly PE and PP films, and a fibrous fraction, particularly cellulose fibres, which enable an almost complete...
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WO/2003/006187A1 |
A used paper diaper processing method characterized by comprising a swell suppressing step for immersing a used paper diaper in a swell suppressant solution to suppress the swelling of high polymers of water absorbability, a breakup step...
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WO/2003/000982A1 |
There is a need for a cheaper method of producing bleached TMP and CTMP without impairing the properties of the pulp. This is made possible by the present invention, which relates to a method of producing said pulps in which finely divid...
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WO/2003/000983A1 |
Comminuted (CHIPPED) Arundo Donax is treated, in conventional pulping processes (DIGESTION), to produce a high tensile strength pulp that can be used in the production of paper. The pulp has a lighter color than wood pulp, and thereby us...
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WO/2002/099183A1 |
In a new process for preparing pulped wood chips for paper making, chips from a hardwood such as eucalyptus are inoculated with aliving culture of one or more white rot fungi. The fungi propagate throughout th ebody of the wood chip, sel...
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WO/2002/095129A1 |
The invention relates to coated printing paper which contains mechanical pulp and whose opacity is at least 89%, brightness at least 65% and surface roughness not more than 4.5 $g(m)m. The printing paper contains mechanical pulp at least...
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WO/2002/086229A1 |
A fiber suspension is produced from waste paper by first filling a pulper with a batch of the waste paper. The pulper is operated to partly defibrate the batch of waste paper substantially without disintegrating coarse imputities into fi...
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WO/2002/086228A1 |
A novel method for producing pulp and energy from grasses is disclosed. The invention relates to producing grass plants and harvesting, handling and processing the harvested plant material.
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WO/2002/084019A1 |
A system for feeding fibres from a fibre separation step at a first pressure to a drying step at a second, lower pressure, the system comprising a sluice feeder (3) provided between the fibre separation step and the drying step. At least...
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WO/2002/075041A1 |
The invention relates to a grinding element, which comprises a substantially planar fastening frame (12), and where two or more grinding segments (10) made of grinding ceramic material are fastened to the outer surface of the frame by me...
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WO/2002/075040A1 |
The invention relates to a grinding segment comprising a ceramic part (11) manufactured of grinding ceramic material and provided with a fastening hole (12), through which the grinding segment (10) is attached to a frame (9) of a grinder...
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WO/2002/070816A2 |
Methods and devices are provided for treating a fluid with a high voltage electric field for decontaminating the fluid or a variety of other purposes. In a preferred embodiment for decontamination, the method includes (a) applying an ele...
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WO/2002/070063A2 |
A resonant chamber (12) that produces an ultrasonic energy field about a central axis of the chamber to separate contrary matter from a working material. The resonant chamber has a circular cross section and utilizes a series of transduc...
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WO/2002/065117A1 |
A method of selecting bulk wood units for mechanical pulping, which consists of establishing a reference scale by selecting a test sample, measuring the acoustic velocity through each sample unit, selecting acoustic velocity bands from t...
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WO/2002/062493A1 |
Apparatus (10) and method to separate a loose mass formed by elements or materials (11) of different sizes, such as woody strands or wafers, comprising a separation chamber (13) into which the mass is inserted, a plurality of riddling ro...
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WO/2002/044465A2 |
This invention relates to an apparatus for disintegrating cellulose containing package and wrapping materials containing corrugated cardboard and form compacted units of the disintegrated material with a higher density than the material ...
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WO/2002/040766A2 |
A method of recycling bonded fibrous materials, the method includes the steps of: providing pieces of bonded fibrous materials, the pieces having sizes that are adapted for suspension in a liquid; suspending the discrete pieces of bonded...
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WO/2002/038853A2 |
A method of processing feathers and products produced thereby. The method preferably comprises the step of reducing feathers in at least one of a refiner and a pulper. A cleaning agent is preferably added to the feather material before a...
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WO/2002/025014A1 |
Constructional materials and interior materials produced by using non-wooden plant fibers as the main component. Namely, processed board-type products made of fibers which can be produced on a mass scale, are less expensive, have a high ...
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WO/2002/009893A1 |
The invention relates to a method for recovery of branch knot wood and/or normal wood from oversize chips, and according to the invention the oversize chips are ground to splinter, which then is dried and mixed with water, and then the s...
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WO/2002/006815A1 |
In the present invention a refiner (108) of a mechanical pulping line is supplied with a controllable acoustic source (14), arranged for emitting acoustic signals into the pulp fluid. The controllable acoustic signal is allowed to intera...
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WO/2002/000771A1 |
The invention relates to a method for the production of cellulose particles by means of dispersing a cellulose solution in a precipitant, in addition to a device for carrying out said method. The method is characterised in that the cellu...
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WO/2001/089702A2 |
The invention relates to a method and a system for utilising waste that contains fibres and combustible material. Waste is slushed in a continuous-operation high-consistency pulper (10) to suspend in water the fibres contained in the was...
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WO/2001/089730A2 |
The invention relates to a method for processing waste, in particular for utilising the recyclable material contained in waste, and a waste processing plant, in particular a plant processing waste fractions suitable for recycling of mate...
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WO/2001/083886A1 |
The invention relates to a process for controlling microbial growth in a production line for cellulosic products with the aid of gases. The invention also relates to the use of gases such as carbon dioxide, nitrogen, argon and/or non-nat...
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WO2000066465A9 |
The present invention includes devices and methods for handling and sorting paper. Devices for accelerating and spreading paper from a paper input (14) to a sensor (23) are disclosed. Operably thin layers of paper are passed through a se...
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WO/2001/076757A2 |
An apparatus (10) and method for separating recyclable corrugated paper (320) from a stream (300) of commingled waste (310). Commingled waste (315) is loaded onto a conveyor (20) with two alternating sets of jogger beams (30, 35). A moto...
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WO/2001/073193A1 |
The invention relates to a device, for the production of a recycled paper mixture, comprising a sieve (1), with a mesh diameter of about 200 to 450 mm, for the separation of a coarse fraction, which contains paper fragments with a large ...
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WO/2001/073194A1 |
A pulper for producing paper pulp from waste paper containing undesired scrap particles comprises a container (1) forming a chamber (4) defined by a bottom wall (5) and a cylindrical circumferential wall (6). A paper tearing member (7) i...
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WO/2001/068974A1 |
This invention relates to a refiner force sensor for refiners used in the pulp and paper industry, to a refining apparatus, and to a method of measuring force acting on a refiner bar in a refiner.
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WO/2001/068228A1 |
A method of mixing including providing a slurry (26, 126) having a first fiber (14, 114) into a container (20, 120), introducing an agitation fluid (31, 138) into the slurry to cause a mixing motion (38, 138) within the slurry, and deliv...
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WO/2001/068260A1 |
Refining elements for refining discs for disc refiners for the manufacture of mechanical pulp, for example, board pulp, are subjected to hard abrasive wear in acid environment and at high temperature. In order to improve the wear resista...
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WO/2001/066852A1 |
The invention relates to a method and a device for adjusting the whiteness degree of a bulk material consisting of comminuted paper fractions, especially deinking material, the bulk material containing fractions that mainly stem from new...
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WO/2001/066853A1 |
An apparatus for treating milling products comprises a housing (1), a rotor (2) rotatably arranged in said housing (1) and having at least one pocket (8) for receiving steam-containing milling products which is to the processed, an inlet...
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WO/2001/063041A1 |
A method and apparatus in which fibrous waste is processed under initial overpressure conditions is disclosed. Once the fibrous waste has been loaded into an autoclave (14), a compressor (12) pressurizes the chamber, following which caus...
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WO/2001/059203A2 |
The present invention relates to a process for the removal of lignin from lignocellulose containing material comprising treating the lignocellulose containing material prior to a high-yield pulping process with a delignifying gas compris...
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WO/2001/059202A2 |
The present invention relates to a process for the removal of lignin from lignocellulose containing material comprising treating the lignocellulose containing material prior to a chemical pulping process with a delignifying gas, wherein ...
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WO/2001/058676A1 |
A screw press provided with a rear excess fluid outlet is described herein. The rear excess fluid outlet includes a circular screen (30) provided at a longitudinal end of the screw press body, near a material inlet. Scraper blade assembl...
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WO/2001/057311A2 |
A papermaking process (10), and a paper product (12) made from the process, wherein a biodegradable plastic is used with papermaking material. The biodegradable plastic may be provided as a substrate (14), with the papermkaing material b...
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WO/2001/051701A1 |
The present invention is directed to a method and apparatus for fiberizing bales of pulp into substantially dry fibers and fiber aggregates, i.e., dry fluff, and metering the resulting dry fluff to a receptacle or other process, such as ...
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WO/2001/046297A2 |
Process for rigid foam obtention from a fibrous material and foam produced therefore wherein the rigid foam is produced from several fibrous materials such as cellulose (cellulose slurry), ready to use or recycled paper, vegetal or synth...
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WO/2001/046516A1 |
The object of the present invention is a method for making mechanical pulp, such as thermomechanical or chemi-thermomechanical stock. The mechanical pulp is used as a raw material for printing paper, and its freeness value is 30-70 ml CS...
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WO/2001/042555A2 |
The invention relates to a method for avoiding and/or reducing the deposition of volatile and non-volatile wood components in gas-bearing systems, whereby at least one of the volatile wood components, at least partly, condenses in the ga...
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WO/2001/041991A1 |
The present invention concerns a method for the purification of water, for example, excess water from a wood room in a forestry plant for the production of paper pulp, whereby the base raw material, wood, is chopped into small pieces, fo...
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WO/2001/042557A1 |
The object of the present invention is a method for making mechanical pulp, such as thermomechanical or chemi-thermomechanical stock. The mechanical pulp is utilised as a raw material for printing paper, and its freeness value is 30-70 m...
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WO/2001/038631A1 |
The invention concerns a pulp machine for defibering raw materials such as paper, cardboard or cellulose, comprising a vessel (1) whereof the bottom is provided with means for evacuating (3) the defibered material. The invention is chara...
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WO/2001/036739A1 |
The invention relates to a method for sorting a mixture of paper, according to which the mixture is shredded to a particle size in the range of between 20 and 80 mm and the shredded mixture is then separated using an air separator at a s...
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WO/2001/036738A1 |
The invention relates to a de-inked product comprising a portion of newspapers, a portion of magazines and a portion of impurities. The invention provides a de-inked product with reduced cleansing costs associated with the preparation of...
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