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Tailings treatment device

2023-05-09 Xinhai (188)

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Tailings are the materials left over after the process of separating the valuable minerals from the ore. It is a mixture of water, fine-grained rock particles, and chemicals used in the mineral extraction process. Due to the environmental impact of storing tailings in large impoundments, there is a need for tailings treatment devices that can efficiently and effectively manage the disposal of tailings.

Tailings treatment devices can be divided into mechanical and chemical methods. Mechanical methods include dewatering and filtration, while chemical methods include flocculation and coagulation. Some of the common tailings treatment devices include:

  1. Thickener: A thickener is a machine that separates liquid from solids by gravity sedimentation. It is commonly used in tailings treatment to increase the concentration of the solids before disposal. The thickened tailings are then sent to a tailings pond for further treatment.

  2. Filter Press: A filter press is a device used to separate solids and liquids by pressure filtration. It is commonly used in tailings treatment to remove the water from the slurry and form a cake that can be easily disposed of. The filter press can produce dry cakes with high solid content, reducing the volume of the tailings and making disposal easier.

  3. Centrifuge: A centrifuge is a machine that uses centrifugal force to separate solids and liquids. It is commonly used in tailings treatment to separate the water from the solids. The centrifuge can produce dry solids with high solid content, making it easier to dispose of the tailings.

  4. Flocculation: Flocculation is a chemical process that involves adding chemicals to the tailings to cause the fine particles to clump together and settle. The settled particles can then be easily removed from the water, reducing the volume of the tailings and making it easier to dispose of.

  5. Coagulation: Coagulation is a chemical process that involves adding chemicals to the tailings to cause the fine particles to stick together and form larger particles. The larger particles can then be easily removed from the water, reducing the volume of the tailings and making it easier to dispose of.

In conclusion, tailings treatment devices are essential for managing the disposal of tailings in a safe and environmentally friendly way. The choice of device depends on the characteristics of the tailings and the required level of treatment. Proper tailings management is essential for minimizing the environmental impact of mining and ensuring sustainable development.


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