How to deal with waste electronic products
There are four main methods for electronic product waste: chemical treatment, pyrolysis, mechanical treatment, and microbial treatment. 1. Mechanical treatment. Mechanical treatment of electronic waste is a method of sorting by using the differences in physical properties between components, including disassembly, crushing, sorting and other steps. After subsequent treatment, the sorted materials can obtain recycled raw materials such as metals, plastics, and glass. This treatment method has the advantages of low cost, simple operation, not easy to cause secondary pollution, and easy to achieve scale. The disassembly of electronic waste is usually done manually to recover useful electronic components after detection. However, due to the large number of electronic components in electronic waste and the complex combination method, the efficiency of manual treatment is very low. 2. Chemical treatment. The chemical treatment of electronic waste, also known as wet treatment, puts the broken electronic waste particles into acidic or alkaline liquid, and the leaching liquid finally obtains high-grade metals through a series of processes such as extraction, precipitation, replacement, ion exchange, filtration and distillation. However, in the chemical treatment process, the use of strong acid and highly toxic fluoride will produce a large amount of waste liquid and emit toxic...
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