随着工农业的不断发展 ,重金属污染日益严重 ,尤其是土壤和水源中重金属可在农作物和水生动植物中产生累积效应 ,对人类健康构成潜在威胁。与其他污染物有所不同的是重金属不能被化学或生物降解 ,因此对它的治理更加困难和复杂。传统上对重金属污染的治理主要采用物理、化学或 With the continuous development of industry and agriculture, heavy metal pollution is becoming more and more serious. Especially heavy metals in soils and water sources can have cumulative effects in crops and aquatic animals and plants, posing a potential threat to human health. Unlike other contaminants, heavy metals can not be chemically or biodegraded, so their management is more difficult and complicated. Traditionally, the treatment of heavy metal pollution using physical, chemical or