Coal-fired power generation remains the main energy source in the world, as operating power plants generate a large amount of fly ash and coal slag. This is a rich and recyclable source of materials. Today, these materials are increasingly being used in the fields of construction, agriculture, and materials. However, this material source contains more radioactive and toxic metals than normal soil samples, as they are concentrated during the coal combustion process. When these materials are not controlled during use, they may have significant impacts on humans and the surrounding environment.
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