What are the methods of recycling and disposal of e-waste? How can we recycle e-waste safely?

According to report, about 53 million metric tons of e-waste was generated every year. In order to avoid e-waste pollution causing tremendous pressure on the environment, we need to dispose these e-waste in a timely manner. There are mainly three methods of recycling and disposal e-waste: chemical treatment, fire treatment, physical and mechanical treatment.

The chemical treatment of e-waste is also called wet treatment. The crushed e-waste particles are put into an acidic or alkaline liquid, and then the leachate is subjected to a series of processes such as extraction, precipitation, replacement, ion exchange, filtration, and distillation. In the end, a high-grade metal is obtained. However, strong acids and highly toxic fluorides are used in the process of chemical treatment, which will produce a large amount of waste liquid and emit toxic gases, which will cause greater harm to the environment.

Chemical treatment

The fire treatment is pyro-processing a method of incineration, smelting, sintering, melting, etc. of e-waste, removing plastics and other organic components and enriching metals. Fire treatment can also cause serious harm to the environment. From the perspective of resource recovery and ecological environment protection, these methods are difficult to promote.

Fire treatment

The physical and mechanical treatment is a method of sorting using the differences in the physical properties of the components, including disassembly, crushing, and sorting. The sorted materials can be processed separately to obtain metals and plastics. This treatment method has the advantages of low cost, simple operation, not easy to cause secondary pollution, and easy to achieve large-scale, which is a hot spot for development in various countries.

E-waste physical crushing and sorting machine

On the whole, the physical and mechanical treatment method is the safest and the most environmentally friendly e-waste recycling way. And the machine used in this recycling method is e-waste physical crushing and sorting machine, which has full automation degree. The whole e-waste recycling plant only needs to hire 2 or 3 persons.

Advantages of e-waste physical crushing and sorting machine

Besides that, the entire production line has only crushing and sorting, and there is no secondary pollution, water pollution, or chemical pollution. That is, dust will be generated during the processing, but there is no need to worry that we are equipped with a dust removal system and will not cause air pollution.

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