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Slag disposal technology after Incineration

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Slag disposal technology after Incineration

Incineration is a common waste treatment method, which can burn waste into ash and slag, but the slag after incineration needs to be disposed reasonably, otherwise it will cause serious pollution to the environment. This paper will introduce the slag disposal technology after Incineration, including the properties, disposal methods and future development trend of slag.

1、 Properties of slag

Slag refers to the solid waste generated after Incineration, which is mainly composed of inorganic substances, including oxides, silicates, Aluminate, etc. The properties of slag are related to factors such as incineration temperature, combustion substances, and combustion method. Generally speaking, the main properties of slag are as follows:

1. Chemical properties: The slag contains a certain amount of harmful substances, such as heavy metals, chlorides, etc., which pose certain risks to the environment and human health.

垃圾焚烧后炉渣处置技术 2. Physical properties: The particle size of slag varies, with some particles being larger and others being finer, which can affect the disposal method of slag.

3. Stability: The stability of slag is poor, and it is prone to physical and chemical changes, leading to environmental pollution.

垃圾焚烧后炉渣处置技术 II. Disposal method of slag

1. Landfill: Landfill is a traditional method of disposing of furnace slag, which piles it up on the ground and then covers it with soil. Landfill can effectively reduce the volume of slag, but it will occupy a large amount of land resources and also cause pollution to soil and groundwater.

2. Recycling: The slag contains a certain amount of useful substances, such as iron and aluminum, which can reduce its impact on the environment through recycling. The methods of recycling include slag concrete, slag bricks, etc.

3. Solidification treatment: Solidification treatment is a method of solidifying slag into a hard substance, which can effectively reduce its impact on the environment. The methods of solidification treatment include cement solidification, lime solidification, etc.

4. Chemical treatment: Chemical treatment is a method of converting harmful substances in slag into harmless substances, which can effectively reduce environmental pollution. The methods of chemical treatment include acid washing, alkali washing, etc.

3、 Future development trends

With the continuous improvement of environmental awareness, slag disposal technology is also constantly developing. The development trend of future slag disposal technology mainly includes the following aspects:

1. Resource utilization: The slag contains a certain amount of useful substances, such as iron and aluminum. Future slag disposal technologies will pay more attention to resource utilization and reduce the impact on the environment.

2. Green treatment: In the future, slag disposal technology will pay more attention to green treatment, reducing its impact on the environment through biotechnology, plant technology, and other means.

3. Intelligent management: In the future, slag disposal technology will pay more attention to intelligent management, achieving real-time monitoring and control of the slag disposal process through technologies such as the Internet of Things and artificial intelligence.

conclusion

To sum up, the slag disposal technology after Incineration is an important environmental protection work. The slag disposal methods are diverse, including landfill, recycling, solidification treatment and chemical treatment. The future slag disposal technology will pay more attention to resource utilization, green treatment, and intelligent management to achieve maximum environmental protection.