Australia plans to deploy solar cell recycling industry to avoid environmental pollution

ليکڪ: آئي فلو پاور - Nešiojamų elektrinių tiekėjas

Australia has of course showed interest in solar energy. Now, the average life expectancy of the solar panel is about 20 years, so many installations starting from the early 2000s will reach the service life. Do they eventually landfill or recycled? The cost of recycling is higher than the landfill, the value of recovered materials is less than the original material, so the interest of recycling is limited.

However, considering the existence of heavy metals such as lead and tin, if the waste management is not good, we will enter another recycling crisis. However, if the global electric motor industry is interested in recycling solar products, then potential timing bombs may bring opportunities. If released into the environment, harmful substances in the scrap panel can lead to serious pollution and health problems.

In order to enclose the cycle in the energy cycle, the next task of the solar panel industry is safety disposal or recycling. However, in the waste management system, reuse or value-added recovery, reuse is considered to be more preferable than recovery. The main contributor of the total weight of the typical crystalline silicon photovoltaic module is glass (75%), followed by polymer (10%), aluminum (8%), silicon (5%), copper (1%) and a small amount of silver, tin Lead and other metals and components.

Lead and tin (if it is immersed in soil and groundwater, it will provide valuable opportunities if copper, silver and silicon are effectively recycled. Therefore, the landfill option should be completely reined to prevent environmental pollution and recycle valuable materials in the panel. However, the recycling is not considered economically favorable choices, so it is necessary to take economic incentives to accelerate this migration.

Among the valuable materials in the panel, silicon is the best opportunity because the proportion of silicon is much larger and has super high purity (99.9999%). Solar silicon can be recovered from photovoltaic waste to use in the second use of the solar panel, or re-use value-added applications in the 3B generation lithium ion battery anode.

In increasing electric vehicles have a unique opportunity to recycle and waste management industries in the world, and there may be room for solar panels. Today's electric car batteries have become an important part of the total cost of electric vehicles, depending on the 33% to 57% of the car, and material production is the main source of energy costs for manufacturing batteries. The strategy of cutting costs is largely dependent on the innovation of the material level, that is, the procurement and processing of raw materials.

Although electric fans will definitely welcome lower prices, but the mileage record is headline news. In 2015, Elonmusk claimed that silicon in Models batteries increased by 6%. Since then, electric vehicles like Daimler and BMW have also actively participated in the R <000000> D plan to synthesize battery-level silicon for electric vehicles.

Silicon recovered from solar panels may exactly what they need. Australia has been in a rapidly developed photovoltaic market, such as China, Japan, India and the United States. Now, more than 2.

3 million roof solar systems have been installed nationwide, we officially ranked first. In Australia, the entire process is closely related to Victoria, and closely related to the photovoltaic industry. The purpose is to make recommendations to all states, territories and federal governments on the preferred national management methods.

Although the prospect of the program is undoubtedly encouraging, accelerating its development may vary. In fact, the severity of this problem has been recognized in 2015. At that time, in Victorian electronic waste market flow and processing capacity analysis, solar panels were considered to be the fastest e-waste stream, without dedicated recycling infrastructure.

According to the group analysis, it is expected that by 2035, more than 100,000 tons of solar panels will enter Australian waste stream. Is this a crisis or opportunity? If you look for solar panel recovery in Australia, there are many services. However, in most cases, aluminum frame and junction box can only recover less than 20% of garbage by weight calculation.

The remaining 80%, including valuable silicon, Australia has not yet been provided, but the research results show that it is not necessary. .