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Tailings Dry Disposal Tailings Dry Disposal

2023-05-09 Xinhai (250)

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Tailings are the waste materials produced during the mineral extraction process. They are a mixture of water, rock fragments, and other chemicals, which can pose environmental hazards if not properly disposed of. Traditional tailings disposal methods such as tailings ponds can be costly and may pose risks to the environment and human health. To address this issue, tailings dry disposal technology has emerged as an alternative approach.

Tailings dry disposal involves removing excess water from the tailings and then storing them in a dry form. This technology offers several advantages over traditional tailings disposal methods. Firstly, it significantly reduces the water consumption of the mining operations. Secondly, it reduces the risk of water pollution by preventing the contamination of nearby water bodies. Finally, it allows the recovered minerals to be reused, thereby reducing the environmental impact of mineral extraction.

The tailings dry disposal process typically involves several stages. Firstly, the tailings are dewatered using mechanical equipment such as filter presses, vacuum filters, or centrifuges. This process removes the majority of the water, leaving behind a dense cake-like material. Next, the tailings are conveyed to the storage facility, where they are placed in a designated area for further drying. The final step involves covering the tailings with an impermeable layer to prevent any water infiltration.

Several factors must be considered when selecting tailings dry disposal technology. These include the nature of the tailings, the available land area for storage, and the local climate. In addition, the selection of mechanical equipment should be based on the size and volume of the tailings, as well as the desired level of dewatering.

In conclusion, tailings dry disposal technology offers a more sustainable and environmentally friendly alternative to traditional tailings disposal methods. By reducing water consumption and preventing water pollution, it helps to minimize the impact of mining operations on the environment. While this technology requires significant capital investment and careful planning, it is likely to become an increasingly important aspect of the mining industry in the coming years.


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