The NAPP, ANC, NAG of some floatation tailings are determined, and heavy metals releasing after acidification is researched.

• 对几种选矿尾矿的净产酸潜力(NAPP)、酸中和能力(ANC)以及净产酸量(NAG)进行测定,考查尾矿酸化后的重金属释放情况。