What is the process of recycling circuit boards?

In the process of recycling circuit boards, a series of typical steps are used to ensure efficient recovery and recycling. Each step is described in detail below, emphasizing their importance and value.

First of all, electronic component disassembly is one of the key steps in recycling circuit boards. By carefully and skillfully disassembling electronic components, we are able to process them individually, ensuring efficient recycling. The importance of this step is that electronic components contain many valuable materials, such as precious metals, rare metals and high-performance plastics. By separating these components, we can extract and recycle them to the greatest extent possible, reducing the waste of resources.

Next comes primary shredding, which is the process of physically breaking down the circuit board into smaller pieces. Using a single-shaft shredder or a dual-shaft shredder, circuit boards can be efficiently shredded into smaller pieces. The purpose of this step is to expose different materials and components in preparation for subsequent processing steps. By crushing circuit boards into smaller pieces, we are able to better separate different materials and increase recycling efficiency.

Circuit Board Crushing And Sorting Process

The separation process is another important part of recycling circuit boards. In this step, different separation technologies are used to separate the materials for better processing and recycling. Magnetic separators are used to remove parts containing ferrous metals such as steel, while eddy current separators can remove parts containing non-ferrous metals such as aluminum. Additionally, air classifiers help separate lightweight plastics. By effectively separating the different materials in waste, we are able to process them more precisely and ensure efficient recycling.

Shredding is another important step in the circuit board recycling process. The circuit boards are further crushed and powdered by using a hammer mill or roller mill. The purpose of this step is to refine the material and improve the efficiency of subsequent processing. By shredding circuit boards, we are able to break down the material into smaller particles, making subsequent sorting and recycling easier and more efficient.

Sorting is one of the most critical steps in recycling circuit boards. In this step, an electrostatic separator is used to separate metals and non-metals from the ground circuit boards. Electrostatic sorting technology uses the electrostatic difference between materials to effectively separate metals and non-metals for further processing. This sorting technology is efficient and accurate, which can greatly improve recycling efficiency and ensure the quality of recycled materials.

Precious metal recycling is the final step in the process of recycling circuit boards. For the recovery of precious metals such as gold, different processes can be used, such as pyrometallurgy (smelting), hydrometallurgy (leaching) or direct smelting in induction furnaces. These processes use high temperatures, chemical dissolution, and other methods to extract precious metals from scrap materials for further utilization. Precious metal recycling not only helps reuse resources, but also reduces demand for limited resources and reduces environmental pollution.

With the right sequence of physical, gravity and chemical processes, more than 90% of circuit boards can be recovered, reused or recycled. This efficient recycling process is essential for environmental protection and resource utilization.

We are committed to providing advanced e-waste circuit board recycling technology and equipment to help customers achieve best practices in sustainable development and resource utilization. Our solutions cover the entire recycling process, from electronic component dismantling to precious metal recovery, ensuring each step is completed efficiently.

If you have any questions or need advice about our recycling process, please feel free to contact us at any time. Our professional team will provide you with detailed answers and personalized advice. Work together to promote the development of the e-waste recycling industry and contribute to a sustainable future for the planet.