With the development of science and

With the development of science and technology, while human beings create their own civilization, they also cause damage to the natural environment. Mercury is widely distributed in nature. Almost all minerals contain mercury. Large-scale mining and metal smelting will inevitably produce a large amount of mercury-containing waste slag and smelting slag, which will encroach on the surrounding farmland and pollute the soil in the mining area. With the intensification of human urbanization, cities have produced a large amount of mercury-containing solid wastes, including thermometers, sphygmomanometers, batteries, fluorescent light bulbs, and some discarded electronic products. Most of these wastes go to landfills for disposal, resulting in The soil around the landfill is contaminated by mercury.