About Artificial separation method of photovoltaic panel glass
The use of EGDA as a green layer separation reagent can achieve the effective separation of the glass from PV modules. The results of the FTIR spectrum ( Fig. 10 a) and GC–MS chromatogram ( Fig. 10 b) of the EGDA reagent before and after separation show that no new components are formed in the solution.
The use of EGDA as a green layer separation reagent can achieve the effective separation of the glass from PV modules. The results of the FTIR spectrum ( Fig. 10 a) and GC–MS chromatogram ( Fig. 10 b) of the EGDA reagent before and after separation show that no new components are formed in the solution.
High-voltage pulse crushing technology combined with sieving and dense medium separation was applied to a photovoltaic panel for selective separation and recovery of materials. The panel was first separated into glass and back sheet layers by high-voltage pulse crushing through microexplosions or shock waves transmitted in the Al electrode and .
In the present study, a two-stage heating treatment was conducted to separate the waste crystalline silicon solar panels. The TPT backing material could be recovered integrally by heating at 150 °C for 5 min, which was conducive to further recycling and regeneration.
This study presents a novel thermal–mechanical method for the efficient separation and recovery of tempered glass from end-of-life photovoltaic (PV) modules. The main objective was to develop a method that not only achieves a high recovery rate and purity of the glass component but also overcomes the limitations of existing mechanical .
Selective grinding was used to remove resin from glass particles as a secondary grinding process for the recycling of glass from silicon-based PV panels. An eccentric stirring mill selectively ground only the glass and separated the ground glass and resin, thus effecting the liberation of the glass and resin and the concentration of glass into .
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6 FAQs about [Artificial separation method of photovoltaic panel glass]
How to separate a photovoltaic panel?
In this study, we crushed a photovoltaic panel by high-voltage pulse crushing and then separated the products bysieving and dense medium separation with the aim of selective separation and recovery of various materials in the panel.
How to separate glass from PV glass?
To effectively separate glass from the PV piece, the penetration of separation reagents into the glass-EVA gap is extremely important. Therefore, the wettability of the medium on glass is an important factor. The PV glass used in this experiment has one side with a rough surface and the other side with a smooth surface.
How was a glass panel separated into two layers?
The panel was separated into glass and back sheet layers byhigh-voltage pulse crushing of the Al electrode and Si substrate. The optimal conditions for separation of the panel into two layers (primary crushing step) were 110 kV for 20 pulses because the layers retained their form.
How to remove resin from glass in silicon-based PV panel recycling?
As mentioned above, the most extensively studied methods for the removal of resin from glass in silicon-based PV panel recycling involve heating or chemical additives , , . However, we developed a mechanical separation technology to rapidly effect the separation with low environmental load and low energy consumption.
Can selective grinding remove resin from glass in silicon-based PV panels?
Selective grinding during the initial stage of grinding is effective for removing resin from glass in silicon-based PV panels. Many previous studies on the separation of glass from resin have investigated the applicability of chemical processes, but we achieved separation by brief physical processes.
Can Egda be used to separate glass-Eva in photovoltaic modules?
Non-toxic reagent EGDA was used to separate the glass-EVA in photovoltaic modules for the first time. The glass in 20 mm × 20 mm photovoltaic pieces can be separated adequately in 3 h. EGDA can be recycled by filtration to be reused. Solar cells can keep their initial size due to the moderate swelling ability of EGDA.
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