Recycling process of scrapped solar panels
With the rapid growth of public buildings and residential facilities in recent years, solar energy has been growing rapidly in popularity. While these systems typically operate for 20 to 30 years, it is inevitable that one day the PV panels will be removed and replaced. However, what happens next (the recycling of solar panels) has a big impact on whether solar energy is sustainable in the long term and environmentally friendly.
Solar panel structure diagram
While solar energy is certainly theoretically much ahead of fossil fuels from an environmental perspective. But in recent years the issue of recycling solar panels and lead batteries in remote areas has become a widespread concern around the world.
Solar panel recycling process methods:
Recycling process of scrapped solar panels
The structure of crystalline silicon solar panels from top to bottom includes: glass panels, EVA and cells and backsheets in that order. In the recycling of crystalline silicon solar panels, the most critical process is to separate the cells as completely as possible, that is, to remove all EVA from the panels. The cell recycling process mainly involves separating the crystalline silicon from the cells with precious metals such as aluminum and silver.
Firstly, through special solar panel dismantling machinery, the aluminum frame is dismantled, then the glass above the solar panel is separated and recycled separately through glass removal equipment, and finally the materials inside are sorted and recycled through solar panel crushing and sorting equipment, and finally crystalline silicon, aluminum, silver and other precious metals are obtained.
According to the International Renewable Energy Agency forecast, by 2030, a total of 8 million tons of waste solar panels. By 2050, 6 million tons of solar panels may be thrown away each year.
By 2028, solar panel waste will contain more than $1 billion worth of accessible materials, according to researchers. For those who can solve the recycling problem, this high-tech trash could turn into wealth.
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