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WO2023046990A2 - Installation et procédé de fabrication de panneaux de matériau - Google Patents

Installation et procédé de fabrication de panneaux de matériau Download PDF

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Publication number
WO2023046990A2
WO2023046990A2 PCT/EP2022/076841 EP2022076841W WO2023046990A2 WO 2023046990 A2 WO2023046990 A2 WO 2023046990A2 EP 2022076841 W EP2022076841 W EP 2022076841W WO 2023046990 A2 WO2023046990 A2 WO 2023046990A2
Authority
WO
WIPO (PCT)
Prior art keywords
wood
fraction
particularly preferably
size
plant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2022/076841
Other languages
German (de)
English (en)
Other versions
WO2023046990A3 (fr
Inventor
Jan Kasten
Felix Hofmann
Jochen KAMM
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dieffenbacher GmbH Maschinen und Anlagenbau
Original Assignee
Dieffenbacher GmbH Maschinen und Anlagenbau
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dieffenbacher GmbH Maschinen und Anlagenbau filed Critical Dieffenbacher GmbH Maschinen und Anlagenbau
Priority to EP22790530.4A priority Critical patent/EP4408633A2/fr
Publication of WO2023046990A2 publication Critical patent/WO2023046990A2/fr
Publication of WO2023046990A3 publication Critical patent/WO2023046990A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B27N3/10—Moulding of mats
    • B27N3/14—Distributing or orienting the particles or fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/3416—Sorting according to other particular properties according to radiation transmissivity, e.g. for light, x-rays, particle radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N1/00—Pretreatment of moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/007—Manufacture of substantially flat articles, e.g. boards, from particles or fibres and at least partly composed of recycled material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/04—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B27N3/18—Auxiliary operations, e.g. preheating, humidifying, cutting-off
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B2201/00—Details applicable to machines for screening using sieves or gratings
    • B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C2501/00—Sorting according to a characteristic or feature of the articles or material to be sorted
    • B07C2501/0054—Sorting of waste or refuse

Definitions

  • the invention relates to a plant for the production of material panels according to the preamble of patent claim 1 .
  • the invention further relates to a method for producing material panels according to patent claim 11 .
  • Waste wood which is classified into different waste classes, is usually collected centrally, but in particular pre-sorted by non-professionals. As a rule, these are instructed to the extent that they can roughly differentiate between the waste classes; further sorting is not planned. In a large number of countries with a recycling structure that has not yet developed, such pre-sorting does not even take place.
  • impregnated or tarred wood is disposed of directly because it can usually be easily recognized by a layperson, and all other wood (solid wood mixed with wood-based materials) is sent for recycling in containers.
  • the collected and non-uniform starting material is subjected to an initial crushing, as is usual in recycling. Foreign matter is then removed from the shredded starting material until reusable waste wood can be recycled with the highest possible degree of purity.
  • the invention distinguishes between two different types within the waste wood:
  • Waste wood suppliers can indeed comply with certain specifications, but purely usable waste wood of the natural variety is usually not offered or is very expensive.
  • the system and the process are therefore preferably used for an A1/A2 mixed fraction.
  • the present invention now has the task of creating a system and a method in which collected and reusable waste wood can be processed and recycled in the course of the manufacture of material panels.
  • the solution to the task for a plant for the production of material panels includes a store for delivered waste wood as starting material, optionally a shredding device for the starting material into input material for the plant, a classifying device for dividing the starting material and/or the input material into differentiated fractions and a Cleaning device for separating foreign material from at least one of the fractions, processing for producing and transferring scatterable particles in a scattering device, a forming belt for receiving the scattered particles and a press for pressing the scattered particles into a material panel, with the at least one cleaning device having a sorting device downstream for dividing the cleaned fraction into solid wood and wood-based materials and the sorting device is directly or indirectly operatively connected to the processing for transferring the cleaned fraction.
  • Another store for receiving delivered wood chips from the recycling circuit can be operatively connected to the cleaning device and/or the sorting device.
  • means for creating at least three fractions, preferably fines, oversizes and a usable fraction can be arranged in the classification device. Further means for dividing the usable fraction into a micro-fraction and a macro-fraction are particularly preferably arranged in the classifying device.
  • an X-ray device for detecting and ejecting foreign matter and/or an NIR device or a camera system for distinguishing between solid wood and wood-based material in the sorting device as well as correspondingly controllable separating means or separating means can be arranged in the cleaning device.
  • At least one storage bunker can be arranged for the various classified and/or cleaned material flows.
  • a store for starting material from fresh wood a shredding device, an optional classifying device, an optional storage bunker can be arranged in operative connection with the processing.
  • means for comminuting the starting material to a size of less than 100 mm, preferably less than 90 mm, particularly preferably less than 80 mm and very particularly preferably less than 70 mm can be arranged in the comminution device.
  • a drum chipper or a shredder would be advantageous as a shredding device.
  • a control device or regulating device for controlling the material flows can be arranged, which is operatively connected at least to the storage bunkers of the solid wood, the wood-based materials, the microfraction and/or the macrofraction and is preferably suitable for gravimetric or volumetric volume control of the material flows.
  • the storage bins can be arranged so that they can be connected to various processing or mixing devices in order to adjust the ratios of the material flows and/or to adjust the material panel to be produced.
  • the task is for a method for the production of material panels in a
  • a sorting device can preferably sort the cleaned fraction into solid wood and wood-based materials and, depending on the requirements, can be handed over to processing
  • delivered, preferably already cleaned waste wood can also be stored in the form of wood chips and fed to the cleaning device and/or the sorting device.
  • At least three fractions, fines, oversizes and a usable fraction for the cleaning device can be provided in the classification device and the usable fraction is particularly preferably classified into at least one micro-fraction and one macro-fraction.
  • an X-ray device can be used in the cleaning device to detect and eject foreign matter and/or an NIR device or a camera system can be used in the sorting device to differentiate between solid wood and wood-based material, as well as correspondingly controllable separating means.
  • the various classified and/or cleaned fractions can be stored after the cleaning device and/or the sorting device in at least one storage bunker.
  • fresh wood can be stored in a separate store as the starting material, crushed in a shredding device and classified in an optional classifying device and, if necessary, stored in a storage bunker before processing.
  • the starting material can be comminuted in the comminution device to a size of less than 100 mm, preferably less than 90 mm, particularly preferably less than 80 mm and very particularly preferably less than 70 mm.
  • a drum chopper or a shredder can preferably be used as the comminution device.
  • a control device or a regulating device can distribute the individual material flows in the plant and in the course of this control at least the storage bins for the solid wood, the wood-based materials, the micro-fraction and/or the macro-fraction as well as their discharge devices and preferably the control based on gravimetric or volumetric measurement results of the material flows.
  • the storage bunkers in the plant can be connected to various processing or mixing devices to adjust the ratios of the material flows and/or to adjust the material panel to be produced.
  • the advantage of the invention is that after a first pre-crushing and a cleaning process, roughly two different types of materials are present, namely solid wood and “manufactured” wood-based materials with binders. After pre-shredding, these usually differ in their length/width ratio, since the solid wood is longer than wide from pre-shredding, while artificial wood materials (crushed material with binding agent) are more square, i.e. more the same in length and width.
  • the method and the device can process waste wood in such a way that a portion of it can be used as an equivalent substitute for OSB, MDF or chipboard production.
  • the proportion of cleaned and sorted solid wood from the waste wood can be fed to production or the fresh wood material flow as required, preferably depending on the quality and quantity of the fresh wood delivery. It is preferably fed either to the flaker for the production of chips for the middle layer or to a knife ring flaker for the production of top layer material.
  • the invention enables waste wood to be processed and used, among other things, in the production of material panels (including MDF, chipboard, chipboard - OSB).
  • material panels including MDF, chipboard, chipboard - OSB.
  • the material preferably prepared and particularly preferably in predetermined mixing ratios with other materials or fresh wood, can be scattered and pressed to form a material panel.
  • multi-layer material boards such as chipboard, can also be produced. Steam presses, cycle presses or a continuous press are suitable as presses.
  • the proportion of cleaned from sorted solid wood from the old wood can be fed either to the chipper for the production of chips for the middle layer or to a knife ring chipper for the production of top layer material.
  • the invention makes it possible to obtain large-volume (chip) chips from recycled solid wood or glued laminated wood when recycling waste wood, which chips can be regarded as equivalent to fresh wood (logs).
  • a solution for the individual areas in a particular exemplary embodiment can appear as follows.
  • the individual areas are independently divided into areas A, B, C and D and can be combined as desired:
  • A) Material entry a1 ) Mixed starting material (waste wood with solid wood parts) is crushed to a size that is as uniform as possible of 60, 70, 80, 90 or 100mm and smaller available. > as input material (a1) for processing b) a2) fresh wood is crushed and supplied to the needs-based production of particles c).
  • the input material (a1) is now subjected to screening and preferably divided into four fractions b1) fines for thermal utilization (b11) and/or for top layers of material boards after optional cleaning (b12) (less than 5, preferably less than 3 mm, in particular less than 1 mm). Alternatively, after appropriate classification, this group can be used as fillers in other areas, for example in WPC (Wood Plastic Compounds).
  • WPC Wood Plastic Compounds
  • the microfraction (b2) and the macrofraction (b3) are cleaned, preferably with a non-contact X-ray sorting device, unusable materials (preferably all non-wood) are sorted out. What remains in the cleaned micro-fraction (c2) is directly usable material of small size and in the cleaned macro-fraction (c3) usable material of larger size. D) sorting:
  • the waste wood should be sorted into solid wood and artificial wood after an initial cleaning of foreign matter (metals, non-metals, plastics).
  • the separated solid wood provided it is in chip size, can be used in the production of high-quality panels due to its properties being the same as wood chips from fresh wood. It should be noted that the proportions are variable. Buffer options should be provided so that the ratios between solid wood (from recycling), wood materials (from recycling) and fresh wood remain approximately the same for the production of a batch of material boards in order to avoid quality differences in a batch. For this purpose, the system must be designed accordingly and appropriate regulation or control devices must also be created.
  • the solid wood can also be processed for use in top layers of material panels.
  • the solid wood can be incorporated into the middle layer to produce an MDF board if this is produced as a three-layer board.
  • the recycled solid wood comparable to fresh wood quality, to a normal proportion of fresh wood.
  • the system is suitable for carrying out the process, but can also be operated independently.
  • Waste wood is collected as starting material 1 and fed to at least one warehouse 2 .
  • Starting material 1 is fed from storage 2 to a comminution, which preferably comminutes starting material 1 to a maximum size of 100 mm, preferably 80 mm, and subjects it to further processing as input material 4 .
  • the input material 4 is fed to a classification device 5, which preferably divides the input material 4 into four classifications.
  • the smallest fraction as fines 6 is fed to thermal utilization in an energy plant 28 . Before that, however, the fines can be classified again in order to obtain cover layer material 29 for material panels from the fines 6 .
  • the fines can be used proportionately in other technical areas as fillers, for example in WPC (Wood Plastic Compounds).
  • the oversizes 9 have not been optimally comminuted and are fed back to the comminuting device 3 for further comminution.
  • the useful fraction lying within these two extreme fractions is divided here according to the preferred embodiment into a micro fraction 7 and a macro fraction 8 .
  • the micro-fraction 7 preferably has particle sizes larger than 1, 3, 5 mm down to smaller than 10 mm, 12, 15 mm, whereas in the macro-fraction 8 preferably particle sizes of larger than 10, 12, 15 mm up to coarse wood chips can be found.
  • the upper limit results from the extracted oversizes 9.
  • the preferred division into two different usable fractions has the advantage that these two fractions can be fed to cleaning devices 10 that are specially calibrated and adjusted for these sizes.
  • An X-ray measurement is preferably carried out in the cleaning device, on the basis of which foreign material 13 (non-metals, metals, . . . ) is recognized and separated from the material flow. This results in two material flows, on the one hand a cleaned micro-fraction 14 and a cleaned macro-fraction 11 .
  • the cleaned macro-fraction 11 is preferably subjected to sorting in a sorting device 12, in which solid wood 18 and wood-based materials 16 (glue/binder present) are separated from the macro-fraction 11, for example detected on the basis of NIR spectrography, an equivalent function or using camera systems.
  • This material flow advantageously results in a particularly effective and high sorting quality.
  • Large solid wood particles in this fraction are also suitable for subsequent processing like conventional fresh wood.
  • the microfraction 14 can also be subjected to an equivalent sorting (not shown). As shown, the cleaned micro-fraction 14 can be stored in a storage bunker 15, the solid wood 18 in a storage bunker 19 and the wood-based materials 16 in a storage bunker 17 until they can be used appropriately.
  • the material flows of solid wood 18, wood-based material 16 and microfraction 14 are now conducted in a plant for the production of material panels or are part of it and are made up again Material plates 27 produced.
  • the material streams are fed to a preparation stage or, as shown, to two different preparation stages 20 and 21 .
  • preparations 20, 21, the various materials are crushed to their required size according to the intended use, optionally dried and glued.
  • preparation 21 is suitable for producing spreadable material for the middle layer of a material board, preferably an OSB, from solid wood material 18 and feeding it to a spreading device 23 .
  • the solid wood 18 can also be used for MDF production, the production of chipboard or lightweight panels with fillers.
  • the preparation 20 would accordingly be suitable for drying the cleaned microfraction 14 and/or the sorted wooden materials 16, applying glue and feeding them to a scattering device 22, here for top layers.
  • the technological difference is that the solid wood 18 in the middle layer of a material board 27, in particular OSB, is suitable for raising the quality of the material board 27 to the required level.
  • fresh wood can also be processed in the plant as an option.
  • a store 32 for the starting material 31 (tree trunks are shown here as fresh wood by way of example) would be necessary and preferably a suitable shredding device
  • the input material is analogous to the processing on the waste wood side
  • the oversizes are preferably fed back to the comminution device 33 and the fine material is used either for further classification or directly thermally in the energy system 28 .
  • the microfraction 37 is particularly preferably stored temporarily in a storage bunker 30 and the macrofraction 38 in a storage bunker 40 for optimal control of the material flows. It is thus also possible in an advantageous manner to feed the different material flows from the storage bunkers 15, 17, 19, 30 and 40 as required and in a uniform ratio to one or more preparations 20, 21.
  • Dashed arrows for material flows show the possibility of alternatively diverting the material flows from different storage bunkers as required, so that, for example, the microfraction 14 from the storage bunker 15 does not get into the processing 20 for the top layer but into the processing 21 for the middle layer of a material panel 27.
  • a control device 43 is particularly advantageously arranged for the control and regulation of the material flows, the connections (measurement information, control specifications, control circuits) of which to the system are shown purely schematically and only by means of small entry and exit arrows 1630 for a better overview.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Processing Of Solid Wastes (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)

Abstract

L'invention concerne un procédé et une installation de fabrication de panneaux de matériau, comprenant un support (2) pour bois de récupération en tant que matériau de départ (1), éventuellement un dispositif de broyage (3) pour le matériau de départ (1) permettant d'obtenir un matériau d'entrée (4) pour l'installation, un dispositif de classification (5) pour diviser le matériau de départ (1) et/ou le matériau d'entrée (4) en fractions différenciées et un dispositif de nettoyage (10) pour la séparation de matériaux étrangers (13) à partir de l'une au moins des fractions, une unité de traitement (20, 21) pour la fabrication et le transfert de particules dispersables dans un dispositif de dispersion (22, 23), une bande de formage (24) pour recevoir les particules dispersées et une presse (25) pour le pressage des particules dispersées en vue d'obtenir un panneau de matériau (27), un dispositif de tri (12) pour diviser la fraction nettoyée en bois massif (18) et en matériaux dérivés du bois (16) étant disposé en aval dudit au moins un dispositif de nettoyage (10) dans l'installation, le dispositif de tri (12) étant en liaison fonctionnelle directe ou indirecte avec l'unité de traitement (20, 21) pour le transfert de la fraction nettoyée (1630).
PCT/EP2022/076841 2021-09-27 2022-09-27 Installation et procédé de fabrication de panneaux de matériau Ceased WO2023046990A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22790530.4A EP4408633A2 (fr) 2021-09-27 2022-09-27 Installation et procédé de fabrication de panneaux de matériau

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021004876.8 2021-09-27
DE102021004876.8A DE102021004876A1 (de) 2021-09-27 2021-09-27 Anlage und Verfahren zur Herstellung von Werkstoffplatten

Publications (2)

Publication Number Publication Date
WO2023046990A2 true WO2023046990A2 (fr) 2023-03-30
WO2023046990A3 WO2023046990A3 (fr) 2023-05-19

Family

ID=83898545

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2022/076841 Ceased WO2023046990A2 (fr) 2021-09-27 2022-09-27 Installation et procédé de fabrication de panneaux de matériau

Country Status (3)

Country Link
EP (1) EP4408633A2 (fr)
DE (1) DE102021004876A1 (fr)
WO (1) WO2023046990A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102024000608B3 (de) * 2024-02-26 2025-07-17 Dieffenbacher GmbH Maschinen- und Anlagenbau Vorrichtung und Verfahren zur Fraktionierung und/oder Reinigung eines Materialstromes

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4477372A1 (fr) 2023-06-16 2024-12-18 Take Out S.r.l. Procédé à sec et à température ambiante pour le recyclage de matériaux à base de fibres de bois
EP4610010A1 (fr) * 2024-02-29 2025-09-03 SWISS KRONO Tec AG Procédé de fabrication d'une couche de revêtement pour une plaque osb

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102310453A (zh) * 2010-07-08 2012-01-11 巨野沃德森板业有限公司 一种利用废弃木材制造再生复合板的生产方法
DE202017103956U1 (de) * 2017-07-03 2017-09-13 Kronospan Luxembourg S.A. OSB-Platte sowie Vorrichtung zur Herstellung einer OSB-Platte
IT201900014682A1 (it) * 2019-08-12 2021-02-12 Fantoni Arredamenti Spa Pannello in fibra di legno e relativo impianto e metodo di realizzazione
SE544802C2 (en) * 2019-12-03 2022-11-22 Ikea Supply Ag Recycling of lignocellulosic fibers from fiberboards

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102024000608B3 (de) * 2024-02-26 2025-07-17 Dieffenbacher GmbH Maschinen- und Anlagenbau Vorrichtung und Verfahren zur Fraktionierung und/oder Reinigung eines Materialstromes

Also Published As

Publication number Publication date
EP4408633A2 (fr) 2024-08-07
WO2023046990A3 (fr) 2023-05-19
DE102021004876A1 (de) 2023-03-30

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