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汞就是通常说的水银,汞在自然界的分布很广.土壤、岩石、河流中都有一定含量的汞.随着工农业的发展,汞制剂的应用也越来越广泛.而汞矿的开采、冶炼、电解、造纸、电子仪表、制药、牙科医疗等过程中的废水废渣,却给环境带来了污染.据估计全世界每年要有四至五千吨的汞,污染了河流和土壤.这一严重污染,给人体健康带来了威胁.目前,已引起国内外的重视,被列为世界公害之一.
Mercury is commonly referred to as mercury, mercury in nature is widely distributed in the soil, rocks, rivers have a certain amount of mercury.With the development of industry and agriculture, the application of mercury preparations is also more and more.And mercury mining, Pollution of the environment is caused by waste water from smelting, electrolysis, paper making, electronic instrumentation, pharmaceuticals, dental care, etc. It is estimated that around 4 to 5,000 tons of mercury are polluting the river and the soil each year worldwide Seriously polluted, has posed a threat to human health.At present, it has attracted domestic and foreign attention, is listed as one of the world’s public nuisance.