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Comprehensive treatment of Incineration power generation slag

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Comprehensive treatment of Incineration power generation slag

Incineration power generation is an advanced waste treatment method, which can convert waste into electric energy and reduce waste pollution to the environment. However, in the process of Incineration, a large amount of slag will be produced, which will cause serious environmental pollution if not treated. Therefore, the comprehensive treatment of Incineration power generation slag is particularly important.

垃圾焚烧发电炉渣综合处理 1. Types of slag

Incineration power generation slag refers to the solid waste generated in the process of Incineration. According to its composition and properties, it can be divided into various types such as phosphate slag, carbonate slag, silicate slag, chloride slag, etc. Among them, phosphate slag is the most common type, which contains a large amount of phosphate and heavy metals, posing a significant threat to the environment.

2、 Treatment method of slag

1. Incineration treatment

The slag can be treated by re incineration. During this process, the slag will be reheated, causing the organic matter and water inside to evaporate, thereby reducing its weight and volume. This method can effectively reduce the volume of slag, but at the same time, it will also generate a large amount of carbon dioxide and other harmful gases, causing significant environmental pollution.

2. Cement mixing treatment

After mixing slag with cement, a new type of building material - slag cement can be made. This material not only has high strength and durability, but also reduces the consumption of natural resources. However, the production process of slag cement requires a large amount of energy and raw materials, and its impact on the environment cannot be ignored.

3. Landfill treatment

Slag can also be disposed of through landfill. During this process, the slag will be buried underground, isolating it from contact with the environment. However, this method will occupy a large amount of land resources and easily cause groundwater pollution.

4. Phosphate recovery and treatment

Phosphate is an important component in slag and can be treated through recycling. In this process, the slag will be immersed in an acidic solution to dissolve the phosphate, and then separated and purified through steps such as precipitation and filtration. This method can recycle the phosphate in the slag and reduce environmental pollution.

3、 The significance of comprehensive treatment of slag

The significance of comprehensive treatment of Incineration power generation slag is to reduce the environmental pollution by effectively treating the slag, and at the same time, it can also recycle the useful materials and reduce the consumption of natural resources. This comprehensive treatment method not only benefits environmental protection, but also contributes to economic development and social progress.

垃圾焚烧发电炉渣综合处理 IV. Conclusion

The comprehensive treatment of slag from Incineration power generation is a complex and important work, which requires the joint efforts of all parties to achieve its maximum value. We should strengthen the research and development of slag treatment technology, continuously explore new treatment methods, and make greater contributions to environmental protection and sustainable development.