Recycling of crystalline silicon photovoltaic modules
The development of the photovoltaic power generation market has given rise to the demand for research on sustainable utilization technologies after the life of photovoltaic systems: harmless treatment and even recycling of photovoltaic equipment after the life, especially crystalline silicon battery materials and components (silicon, copper, aluminum, silver, glass, plastic, etc.) that account for more than 80% of the market share, in order to alleviate the shortage of raw materials for photovoltaic devices to a certain extent, and reduce resource waste and ecological environmental pollution. The general process of photovoltaic module processing is shown in Figure 3-1. The process begins with the transportation of scrapped photovoltaic modules to factories operated by recyclers; the factory production line separates valuable materials from photovoltaic modules, including glass, metals and their compounds, based on special processes; the recyclables of downstream enterprises in the industrial chain are purified and refined, and then re-enter the market as high-value materials (not limited to the photovoltaic industry). For the worthless materials generated by the recycling and refining chain, environmentally friendly landfill technology can be used for treatment. It is worth noting that in the processing process, some materials in the components (such as polymers such as EVA) can...
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