EP4188666A1 - Procédé et dispositif pour séparer des matériaux composites multicouche - Google Patents

Procédé et dispositif pour séparer des matériaux composites multicouche

Info

Publication number
EP4188666A1
EP4188666A1 EP22730051.4A EP22730051A EP4188666A1 EP 4188666 A1 EP4188666 A1 EP 4188666A1 EP 22730051 A EP22730051 A EP 22730051A EP 4188666 A1 EP4188666 A1 EP 4188666A1
Authority
EP
European Patent Office
Prior art keywords
layer
composite material
nozzle
layers
nozzle head
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.)
Pending
Application number
EP22730051.4A
Other languages
German (de)
English (en)
Inventor
Wolfram Palitzsch
Ingo RÖVER
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP4188666A1 publication Critical patent/EP4188666A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00—Severing by means other than cutting; Apparatus therefor
    • B26F3/004—Severing by means other than cutting; Apparatus therefor by means of a fluid jet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042—PV modules or arrays of single PV cells
    • H01L31/048—Encapsulation of modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B29B2017/0424—Specific disintegrating techniques; devices therefor
    • B29B2017/0428—Jets of high pressure fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products

Definitions

  • the present invention relates to a method for separating composite materials or multi-layer systems according to the preamble of the first claim and a related device according to the preamble of claim 11.
  • Solar power systems so-called tablet computers, smartphones, laptop screens, displays and products based on OLED (organic light-emitting diodes) are examples of electronic products in which multi-layer technologies play a major role. What these products have in common is that they are multi-layered and the corresponding functional layers are often built up on a substrate carrier, e.g. B. various plastics, such as polarizing films in TFT monitors.
  • the functional layers can contain valuable chemical compounds made of silicon, indium, gallium, arsenic, cadmium, tellurium, molybdenum, copper, silver, tin and/or selenium, but also special organic substances (e.g. liquid crystals), with the elements listed often being intermediates , such as compound semiconductors (gallium arsenide, cadmium telluride, etc.) or as conductive structures (molybdenum, indium tin oxide).
  • the document DE 4440 483 A1 describes the large-scale cleaning of a surface by means of a water jet and a rotating nozzle, from which water jets pointing away from one another emerge.
  • the cutting and lifting of layers of a multi-layer composite is therefore not feasible and is not considered.
  • the present invention now relates to a versatile method and a system for separating multi-layer systems, such as photovoltaic modules, without significantly heating the substrate or other materials, such as plastics or semiconductors.
  • the object of the present invention is therefore to provide a cost-effective, elegant, low-energy and environmentally friendly method and device for separating such composite systems or typical multi-layer systems, such as those found in high-tech or green-tech waste, or electrical and electronic waste. that avoids the disadvantages described and, in particular, does not lead to significant heating of the substrate or other materials such as plastics or the glass, does not generate any losses through erosion or evaporation, the substrate or protective layers, such as glass, NOT destroyed and thus allows easy access to the encapsulated recyclables such as valuable semiconductor materials or electrically conductive layers for recycling.
  • the main components of the multi-layer system such as front glass, individual plastic layers or layers or other components should be separated so that they can also be sorted more easily and fed into a recycling process or reuse as valuable materials.
  • multi-layer composite material in particular in the form of photovoltaic modules (PV), TFT, OLED or LCD displays, consisting of at least one hard lower layer in the form of a carrier layer and at least one softer layer located thereon and to be separated from the carrier layer according to the invention one or more layers of the to be separated
  • Multi-layer composite material is cut with at least one high-pressure water jet and lifted and separated, with one or more nozzles emitting the high-pressure water jet rotating by means of a rotatable nozzle head (DK) about an axis of rotation (L) of the nozzle head (DK), with simultaneous relative movement between the nozzle head (DK) and the Multi-layer composite material that, after separation, the recyclables are exposed individually or in the separated layers and at least the recyclables that were between the layers are recycled after separation.
  • DK rotatable nozzle head
  • L axis of rotation
  • recyclable substances inside the multi-layer composite material which are located between layers of the multi-layer composite material, such as semiconductor materials and/or metals, or also inorganic or organic materials, with which layers/layers of a multi-layer system can also be formed, for example, can be after being separated for the purpose of recycling, they can be made accessible to a targeted recovery technology.
  • the recyclables that were previously embedded between layers of the multi-layer composite material are exposed individually or on the separated layers, so that at least the recyclables can now be recycled after separation.
  • the softer material present on the lower layer in the form of the carrier layer is separated piece by piece and lifted off.
  • the separation process of the multi-layer composite material (the separation of the at least one softer layer applied to the lower layer from the lower, harder layer in the form of the carrier layer) is preferably carried out by rotating at least two nozzles arranged in pairs while simultaneously advancing the material to be treated or the nozzle head ( DK) itself cut through one or more softer layers overlying the bottom hard support layer and lift off the cut sections and clean the bottom layer at the same time.
  • the feed speed is designed in such a way that the layers of the material to be separated are each penetrated and this material is lifted from its substrate and thus loosened by a suitable jet angle (a) of the nozzles.
  • the pressure required for the destruction and thus the separation of the composite of the multi-layer composite material is in particular between 750 and 3000 bar.
  • the rotational speed of the nozzle head (DK) is advantageously adapted to the respective advance speed in such a way that cutting and lifting for the respective number of the individual layers (2, 3) take place one after the other.
  • the individual further layers detached from the lower layer in the form of the carrier layer by the water jet(s) are rinsed together from the walls of a blasting cabin by means of a curtain of water and are flushed out of a steel cabin, for example, in a channel.
  • the water jet treatment preferably takes place in strips corresponding to the working width of the nozzle head, with the multi-layer composite material to be treated being either scanned or, in the case of a linear passage, several nozzle heads corresponding to the width of the multi-layer composite material to be treated being installed next to one another.
  • the nozzle heads and the nozzles used in them are adjusted in particular with regard to A) jet shape, B) angle and C) number in such a way that A) the penetration depth, B) the lift and C) the working speed and/or the shape of the cut fragments are adjusted can become.
  • the device for separating multilayer composite material in particular in the form of photovoltaic modules (PV), TFT, OLED or LCD displays, consisting of at least one hard lower layer in the form of a carrier layer and at least one soft layer, according to the invention has two nozzles for dispensing at least a high-pressure water jet, the nozzles being arranged such that the high-pressure water jets impinging on the surface of the multi-layer composite material are spaced from one another.
  • At least two nozzles are preferably arranged in a nozzle head that can be rotated about an axis of rotation, with the nozzle head being installed at a distance from the upper side of the multi-layer composite material which, when the nozzles in the nozzle head are arranged inclined at an angle (a) relative to one another, is a distance of the Top of the multi-layer composite material impinging water jets guaranteed.
  • the multi-layer composite materials to be separated which in particular consist of a multi-layer composite, are, for example, functional electronic components such as photovoltaic modules (PV), TFT, OLED or LCD displays.
  • the carrier layer in the form of the first layer consists, for example, of glass, metal, plastic (which is preferably harder than the material of the further layers located thereon) or ceramic. A combination of these materials is also possible for the lower layer in the form of the carrier layer.
  • the further layers located on the carrier layer preferably consist of a material which is softer than the carrier layer (lower layer 1), for example EVA (ethylene vinyl acetate), polyvinyl fluoride (PVF), polyolefins, PET (polyethylene terephthalate).
  • EVA ethylene vinyl acetate
  • PVF polyvinyl fluoride
  • PET polyethylene terephthalate
  • the layers can also consist of several layers of the same or different aforementioned materials.
  • Materials/valuable materials embedded between the layers are, for example, semiconductor materials (e.g. silicon), functional materials or structures (e.g. semiconductor elements/silicon cells with their contacts, metals, or also inorganic or organic materials and also sputtered or otherwise applied layers of the aforementioned materials.
  • semiconductor materials e.g. silicon
  • functional materials or structures e.g. semiconductor elements/silicon cells with their contacts, metals, or also inorganic or organic materials and also sputtered or otherwise applied layers of the aforementioned materials.
  • any combination of the aforementioned materials can also be embedded between the layers.
  • the above-described waste in the form of multi-layer composite materials for example special multi-layer systems containing semiconductors, such as photovoltaic modules, is surprisingly removed by precise cutting with water (it is not necessary to add abrasives, which would also contaminate the products, which is not desirable). is) with simultaneous lifting of the cut layer(s) from the soft side in the direction of the carrier layer, e.g. glass.
  • the carrier layer e.g. glass
  • water is fed into a nozzle head using a high-pressure pump, which carries at least one pair of nozzles, which directs the individual water jets onto the material to be separated.
  • the nozzle head is rotated and the material to be treated is passed under the rotating nozzle head or the nozzle head is moved over the material.
  • a certain deviation of the jet angle from 90° in relation to the surface of the multi-layer composite material is more favorable for the separating effect.
  • the individual parts of the structure are discharged from the walls into a water-carrying channel under flow from the system through a curtain of water and fed to a solid/liquid separation.
  • the water is treated for reuse or discarded.
  • the collected blasted particles can now be homogenized by further crushing in such a way that a simple density separation or, depending on the type of waste, a light chemical treatment can be carried out.
  • the separating process is preferably carried out using water for separating multi-layer composite materials, in particular photovoltaic modules, TFT, OLED or LCD displays, in that the material to be separated generates the rapid alternation of cutting jet and lifting jet with individual water jets by rotation and simultaneous feed and thereby individual layers are separated down to the base.
  • Typical water pressures are in the range between 750 and 3000 bar or higher.
  • the rotation speed, the number, the angle and the feed speed are adapted to the material to be processed in such a way that the individual layers are split up and cut until the last layer has been removed from the substrate carrier material, e.g. glass, and the substrate appears free of residues .
  • the relative speed between the nozzle head and the material to be processed is preferably between 200 mm/s and 1 mm/s, depending on the cutting task.
  • the speed of the nozzle head is between 200 rpm and 2000 rpm. Between 10 and 100 l/min of water are required, which is significantly influenced by the number of nozzles used.
  • the following parameters have proven to be particularly advantageous for the typical layer structure of a photovoltaic module, consisting of glass, EVA, silicon cells with busbars, EVA and Tedlar: Speed of the nozzle head with 3 pairs of nozzles of 1500 revolutions per minute and a relative speed (feed of the photovoltaic module) of 50 mm/s at 1600 bar.
  • the water pressure required to destroy the composite is preferably produced using a high-pressure pump.
  • the treatment can be carried out horizontally or vertically, depending on the plant design.
  • the process is also ecologically superior to other separation processes due to the mere use of water, which can be reused.
  • the pressure of the water jet or water jets is adjusted in such a way that the softer layers are reliably separated, but the harder base or the hard carrier layer is not separated by the water jet(s).
  • Figure 1 shows the basic process when separating a multi-layer composite material in the form of a photovoltaic module PV
  • FIG. 2 shows the basic representation of a nozzle head DK whose axis of rotation L is arranged perpendicularly to the surface O of the multilayer composite material with two nozzles D1, D2 inserted at an angle a,
  • Figure 3 shows the schematic diagram of a nozzle head DK, whose axis of rotation L is inclined at an angle ß to the surface O of the multilayer composite material and has two nozzles D1, D2 parallel to one another
  • Figure 4 shows the schematic diagram of a nozzle head DK, whose axis of rotation L is perpendicular to the surface O of the Multilayer composite material is arranged with two mutually parallel D1, D2.
  • FIG. 1 shows the basic sequence when separating a multi-layer composite material in the form of a photovoltaic module PV.
  • the first lower layer 1 here in the form of a carrier layer of the photovoltaic module PV usually consists of a harder carrier layer in the form of a glass pane made of safety glass or a plastic pane.
  • the layers 2 can be the plastic foils, such as EVA, and/or functional materials, such as silicon cells.
  • the back here upper layer 3 consists of one or more plastic or metal foils.
  • a first step A the photovoltaic module PV is fed to a corresponding device and moved under one or more water jet nozzles or a nozzle head DK with a plurality of water jet nozzles, not designated here.
  • the water jet treatment of the photovoltaic module PV takes place through the nozzles of the nozzle head DK, which preferably moves under the nozzles of the nozzle head DK with a uniform relative movement.
  • successive layers 2, 3 are cut and removed one after the other (see C) until the lower layer 2 alone remains.
  • the lower layer 1 - glass pane or plastic pane (carrier layer/substrate carrier) - is then removed and the corresponding sorting takes place.
  • the detached particles are transported out of the system in the water flow (E) and, if necessary, dewatered. It can be seen from FIG. 1 that, due to the relative movement, first the upper layer 3, then the layer 2 on top offset thereto, and then again the layer 2 located therebelow, offset somewhat thereto, are separated and detached in pieces.
  • the two nozzles are arranged in the nozzle head DK in such a way that the exiting water jets point towards one another in the direction of the multi-layer composite material.
  • the two water jets preferably hit the substrate surface at a distance b.
  • the nozzles arranged outside the axis of rotation L of the nozzle head DK describe a circular rotary motion when the nozzle body DK rotates. This will make the individual layers 2 and 3 are separated and lifted off in crescent-shaped sections from the layers underneath.
  • the photovoltaic modules were removed over the entire surface using the rotating nozzle head DK, which had a working width of 25 cm. Depending on the module type, the water pressure used was between 750 and 2000 bar. The multi-layer structure was cut sharply on the aluminum frame and completely removed from the glass - the lower layer 1 (carrier layer).
  • the lower, harder layer 1 in the form of the carrier material is thus not cut by a water jet, but only the layers arranged thereon are removed or detached and comminuted.
  • the blasting material a mixture of the crushed individual layers 2, 3 and the recyclable materials that have been located between the layers, such as broken silicon cells, tinned copper ribbons, EVA and Tedlar foil, are now collected and sent for further recycling.
  • the glasses (carrier layer, layer 1) with the frame were dropped onto a grate equipped with thorns, whereupon the glass shattered, fell through the grate into a container and the frame and the box with the cables remained lying on the grate. Both could now be placed in the respective collection containers for metal recycling.
  • the distance between the nozzle head DK and the substrate to be treated (photovoltaic module PV) was 4 cm, the water consumption was 30 l/min on average.
  • the present invention represents for the first time a method for separating or separating large-area multi-layer composite material (composite materials or multi-layer systems), in which only water without chemical additives is used as a tool.
  • the upper layers can be shredded and separated from each other, sorted and also fed into a recycling process as valuable materials.
  • the carrier layer 1 and/or the back layer 3 and the layers 2 can also be recycled as valuable materials.
  • the glass cullet produced in this way (the lower carrier layer/layer 1 in FIG. 1) is extremely pure and represents a sought-after shard as a secondary raw material in the glass industry, with the sum of the secondary components being less than 0.7%. Table 1 below illustrates this:
  • Table 1 Composition of the recycled glass produced, main components.
  • nozzle head speed and/or feed speed and/or relative speed and/or water pressure, angle of attack and/or number of nozzles can be determined in reference tests. Variants of the design and orientation of the nozzle head DK and here, for example, of two nozzles D1 and D2 used in it are shown in FIGS. 2 to 4.
  • FIG. 2 shows the principle of a nozzle head DK whose axis of rotation L is arranged perpendicularly to the surface O of the multi-layer composite material.
  • Two nozzles D1 and D2 are inserted into the nozzle body, the longitudinal axes A1 and D2 of which are inclined at an angle a to one another.
  • the angle bisecting line lies here on the longitudinal axis L of the nozzle head DK, the thick dashed line illustrates the guidance of the water supplied under pressure, the water supplied via a pressure line, not shown, being divided between the two nozzles D1, D2 in the nozzle head, so that the two jets of water emerge. These meet at a distance b on the surface O of the multilayer composite material.
  • FIG. 3 shows the basic representation of a nozzle head DK, which is inclined with its axis of rotation L at an angle ⁇ to the surface O of the multilayer composite material and has two nozzles D1, D2 parallel to one another, which thus have the same angle ⁇ to the surface O.
  • FIG. 4 shows the basic representation of a nozzle head DK, the axis of rotation L of which is arranged perpendicularly to the surface O of the multi-layer composite material with two parallel D1, D2.
  • nozzle heads D1, D2 which are identical or different in terms of their design.
  • only one nozzle can be used in a nozzle head DK, the longitudinal axis of which is spaced apart from the axis of rotation of the nozzle head, and two of these Rotate nozzle heads in pairs next to each other.
  • the orientation of the nozzles in the nozzle heads can be the same or different.
  • the nozzle heads DK can be inclined to one another in such a way that the water jets emerging from the nozzles D1, D2 point towards one another at an angle (similar to FIG. 2).
  • the nozzles rotating around the axis of rotation L of the nozzle head DK produce a circular cut.
  • the inclined position of the nozzles and/or the nozzle head causes the layers to be lifted off from the layer underneath after they have been cut.
  • the rotation and the simultaneous feed result in the rapid changing of the cutting beam and the lifting beam.
  • the jet that strikes first in the direction of rotation accordingly cuts the respective layer and the jet that follows in the direction of rotation lifts the separated part of the layer off its subsurface.
  • the individual layers are separated into individual parts or sections and lifted off, thereby separating them down to the base.
  • the materials in between are gently exposed through the layer-by-layer and piece-by-piece separation and lifting of the layers.
  • the invention thus provides a simple and efficient solution for separating composite materials or multi-layer systems, in which recyclable materials such as semiconductor materials and/or metals, or even inorganic or organic materials, with which layers of a multi-layer system can be formed, can be used further / Recycling provided, however, the hard backing layer is retained.
  • Both the carrier layer/layer 1 and the sections of the crushed layers 2, 3 can also be recycled as valuable materials.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Forests & Forestry (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

L'invention concerne un procédé et un dispositif pour séparer un matériau composite multicouche, dans lequel des matières valorisables sont situées entre des couches du matériau composite multicouche, en particulier sous la forme de modules photovoltaïques (PV), affichages TFT, OLED ou LCD, constitué d'au moins une couche inférieure dure (1) et d'au moins une couche souple située sur celle-ci (2, 3) ; une ou plusieurs couches du matériau composite multicouche à séparer étant coupée(s) en couches ou entièrement par au moins un jet d'eau sous haute pression puis élevées ou individualisées, une ou plusieurs buses distribuant le jet d'eau sous haute pression étant tournée(s) au moyen d'une tête de buse rotative (DK) autour d'un axe de rotation (L) de la tête de buse (DK), la tête de buse (DK) et le matériau composite multicouche étant déplacés l'un par rapport à l'autre de façon qu'après la séparation, les matières valorisables soient libérées individuellement ou sur les couches séparées. Le dispositif comporte au moins une buse (D1, D2) servant à distribuer respectivement au moins un jet d'eau haute pression, et au moins une tête de buse (DK) présentant une buse (DK) disposée à l'extérieur de l'axe de rotation de la tête de buse (DK).
EP22730051.4A 2021-04-16 2022-04-14 Procédé et dispositif pour séparer des matériaux composites multicouche Pending EP4188666A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021109591.3A DE102021109591B4 (de) 2021-04-16 2021-04-16 Verfahren und Vorrichtung zum Trennen von Multischichtverbundmaterialien
PCT/DE2022/100292 WO2022218481A1 (fr) 2021-04-16 2022-04-14 Procédé et dispositif pour séparer des matériaux composites multicouche

Publications (1)

Publication Number Publication Date
EP4188666A1 true EP4188666A1 (fr) 2023-06-07

Family

ID=82020997

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22730051.4A Pending EP4188666A1 (fr) 2021-04-16 2022-04-14 Procédé et dispositif pour séparer des matériaux composites multicouche

Country Status (4)

Country Link
EP (1) EP4188666A1 (fr)
JP (1) JP2024523746A (fr)
DE (1) DE102021109591B4 (fr)
WO (1) WO2022218481A1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5453111A (en) 1992-01-15 1995-09-26 Metals Recycling Technologies, Inc. Method for separation of metals from waste stream
DE4440483A1 (de) 1993-11-15 1995-05-18 Mike Buettner Anlage zum Reinigen und/oder Abtragen der Oberfläche eines Werkstücks
DE4407271C2 (de) 1994-03-04 1997-01-16 Dietrich Heinz Verfahren und Vorrichtung zur dreidimensionalen Bearbeitung von Materialien mittels Wasserstrahlschneiden
DE19539699C2 (de) * 1995-10-25 1998-03-19 Siemens Solar Gmbh Verfahren zur Verwertung von defekten, laminierten Solarmodulen
DE19703104A1 (de) 1997-01-29 1998-07-30 Walter Schlutius Verfahren und Vorrichtungen zum Recykeln von Datenträgerplatten
DE50012431D1 (de) 2000-09-11 2006-05-11 Antec Solar Energy Ag Recycling-Verfahren für CdTe/CdS-Dünnschichtsolarzellenmodule
DE102008047675B4 (de) 2008-06-13 2014-05-15 Ctf Solar Gmbh Recycling-Verfahren für Dünnschichtsolarzellenmodule
DE102011000322A1 (de) 2011-01-25 2012-07-26 saperatec GmbH Trennmedium, Verfahren und Anlage zum Trennen von Mehrschichtsystemen
DE102013009586A1 (de) 2013-02-26 2014-08-28 Ulrich Loser Hydrometallurgisches Verfahren zur Rückgewinnung von lll-V-, ll-Vl- oder l-lll-Vl2- Verbindungshalbleitermaterialien aus High-Tech- bzw, Green-Tech-Abfällen, bzw. Elektro- und Elektronikabfällen
FR3070541B1 (fr) * 2017-08-30 2019-09-06 Commissariat A L'energie Atomique Et Aux Energies Alternatives Procede de desassemblage d'un module photovoltaique et installation associee

Also Published As

Publication number Publication date
DE102021109591A1 (de) 2022-10-20
WO2022218481A1 (fr) 2022-10-20
WO2022218481A4 (fr) 2022-12-15
JP2024523746A (ja) 2024-06-28
DE102021109591B4 (de) 2023-01-19

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