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On the banks of large rivers in China, there are many tailings of varying sizes. These tailings either contain heavy metal content exceeding the leaching toxicity standard or contain dangerous components of acute toxicity because of the lack of effective treatment methods and some lack of safe treatment. The tailings pond is like a time bomb. Once a geological disaster such as a mountain torrent is encountered, hidden dangers may cause an accident.
These tailings ponds hidden in deep mountain canyons are often forgotten. Until the tailings pond collapses, toxic tailings slag will rush to the urban water system along with rivers and rivers, which will cause social concern. Like the source of heavy metal pollution in the Longjiang River Basin in Guangxi some time ago, it was tailings, and now it is still shocking.
One of the products of sorting operation in mineral processing, the part with the lowest content of useful target components is called tailings. The tailings including various metal and non-metallic minerals will have a lot of waste in the process of mining and beneficiation, and the technical strength is still very Yesterday, most of the tailings were stored, and the accumulation of many years not only occupied the land, but also caused pollution to the surrounding environment.
Under the current technical and economic conditions, some tailings are no longer suitable for further sorting, but with the development of production science and technology, tailings may have further economic value of recycling. Tailings are not completely useless waste and often contain components that can be used for other purposes and can be used comprehensively.
Achieving no waste discharge is the need to fully utilize mineral resources and protect the ecological environment. However, for some mineral processed waste, it needs to be processed by some processing equipment. Now there is a tailings sand making machine and tailings fine crushing. Machines and other machinery, applied to roads, railways and other construction projects, used as sand and gravel aggregates, is not a good choice.
How to comprehensively utilize the tailings treatment is the current and future development direction. Many companies already have tailings utilization technology, protecting the environment and using resources, which is an important direction now and in the future.
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