ReCycling
[Recycling] Disassembly and resource circulation for solar panels deemed non-reusable
Recycling
- Outdated or aged solar panels, which were once discarded, are repaired on-site or refurbished using cutting-edge technology to be reused as eco-modules.
- Solar waste silicon that was previously incinerated or buried is used for resource circulation
Development of
silicon-based silicon nitride materials
from recycled modules
silicon-based silicon nitride materials
from recycled modules
[Start] Raw materials
- Residue from the solar panel waste treatment
Waste silicon chipsEco-friendly silicon extraction system
- Pre-treatment of waste silicon chips
- CO₂ reducing energy-efficient MW furnace
- Silicon separation, extraction and impurity removal
- Powdering and purification
Microwave furnaceHigh-performance silicon nitride manufacturing system
- Energy-efficient continuous MW nitriding furnace
- Classification and purification
Microwave furnace[Final] Products
Silicon ingot
Silicon powder
Silicon nitride powderSolar panel disposal process and components
- Recycled panels are eventually sorted into silver, silicon, copper, tin, glass, and the EVA film, and EVA and back seats are disposed of.
- Other valuable minerals are collected in certain units and then reintroduced to the recycling and refining process → In actual practice, they are incinerated or sent to a landfill
Solar panel recycling process
- The final material, flake-form silicon cells containing various impurities, poses a problem as there is no established treatment method.
- Research and preliminary surveys are being conducted to develop environmentally friendly solutions for waste silicon.
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