摘要
矿产资源开发过程中会产生大量的废水,这些废水含有酸、碱、固体悬浮物、重金属离子和各种残留的浮选药剂等,对矿山环境会造成严重污染。改善矿山生态环境,治理这些废水刻不容缓。该文介绍了选矿废水的基本特征和危害性,并综述了当前选矿废水处理的主要方法,从简单的凝结、絮凝和酸碱中和,到较为复杂的化学沉淀和化学氧化,再到综合性更强的人工湿地和微生物处理,并对未来选矿废水治理的发展提出了展望。
The exploitation of mineral resources will produce a large amount of wastewater during the separation process.The wastewater contains acids,alkalis,suspended solids,heavy metal ions and various residual flotation reagents,etc.,which will cause serious pollution to the mining environment.To improve the ecological environment of mines,it is urgent to treat these wastewater.This article introduces the basic characteristics and hazards of beneficiation wastewater as well as summarizes the main methods of current beneficiation wastewater treatment.The treatment method is first simple coagulation,flocculation and acid-base neutralization,then more complex chemical precipitation and chemical oxidation,and finally more comprehensive constructed wetland and microbial treatment.The prospect for the future development of mineral processing wastewater treatment is put forward.
作者
胡尚军
谢贤
黎洁
李博琦
朱辉
吕晋芳
HU Shangjun;XIE Xian;LI Jie;LI Boqi;ZHU Hui;LV Jinfang(Faculty of Land Resource Engineering,Kunming University of Science and Technology, Kunming 650093, China;State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming 650093, China;National and Local Joint Engineering Research Center for Green Comprehensive Utilization of Metal Mine Tailings Resources, Kunming 650093, China)
出处
《矿产保护与利用》
2021年第4期43-49,共7页
Conservation and Utilization of Mineral Resources
基金
云南省应用基础研究计划基金项目(2019FA021)。
关键词
选矿废水
处理方法
化学氧化
人工湿地
mineral processing wastewater
treatment method
chemical oxidation
constructed wetland
