某铅锌尾矿库周边地下水污染特征与评价

摘要

Through to the southwest of tailings reservoir surrounding groundwater soil heavy metal elements content determination , re-search, and evaluation of the tailings and its surrounding of shallow and deep groundwater , pollution of heavy metal migration characteristics and laws, such as the design of tailing dam engineering , groundwater prevention and provide scientific basis for the prevention of .The re-sults showed that :tailing dam downstream of the shallow groundwater in the zinc and lead exceed the standard , Tailings upstream of shallow groundwater and tailings in southern , East and west of the deep karst water heavy metal matter reached the "groundwater quality standard "( GB/T 14848-93 ) III standard requirements .Near the tailings of shallow groundwater lead , zinc arsenic heavy metals concentrations than the same position deep groundwater with high.%通过对西南某铅锌矿尾矿库周围地下水土壤重金属元素含量的测定，研究、评价该尾矿库及其周围的浅层和深层地下水重金属污染、迁移特征及规律，为该类尾矿库工程设计、地下水预防和防治提供科学依据。结果表明：尾矿库下游的浅层地下水的铅和锌超标，尾矿库上游浅层地下水和尾矿库南、东和西的深层岩溶水各重金属物均达到《地下水质量标准》（ GB/T 14848-93） III类标准要求。尾矿库周围浅层地下水铅、锌、砷等重金属浓度比同一位置的深层地下水的高。