尾矿砂重金属元素释放迁移特征
Release and Migration Characteristics of Heavy Metals in Tailings
DOI: 10.12677/AEP.2019.93040, PDF,    科研立项经费支持
作者: 卢 楠：陕西省土地整治重点实验室，陕西 西安；陕西省土地工程建设集团有限责任公司，陕西 西安；自然资源部退化及未利用土地整治工程重点实验室，陕西 西安；陕西省土地整治工程技术研究中心，陕西 西安；陕西地建土地工程技术研究院有限责任公司，陕西 西安
关键词: 尾矿砂；重金属；迁移；释放；Tailings Slag； Heavy Metals； Release； Migration
摘要: 矿山开采及选冶过程产生大量尾矿砂。由尾矿砂的随意堆弃造成的环境污染问题日趋严重，严重威胁人类生命健康和周边土壤、水环境质量。尾矿砂中所含硫化物的氧化以及酸性溶液的淋溶等均能导致重金属的释放迁移和形态变化，未经处理的淋滤液和尾矿砂对生态环境安全具有极大的威胁。我国有色金属矿山类型众多，尾矿砂因堆积密度、pH、CEC等性质差异较大，根据矿石类型和性质对尾矿砂中重金属的迁移和对环境的影响研究极具典型性。
Abstract: A large number of tailings are produced in the process of mining and beneficiation and metallurgy. The environmental pollution caused by the random dumping of tailings is becoming more and more serious, which seriously threatens human life and health and the quality of surrounding soil and water environment. The oxidation of sulfides in tailings and leaching of acid solution can lead to the release, migration and morphological change of heavy metals. Untreated leachate and tailings have a great threat to the ecological environment. There are many types of non-ferrous metal mines in China, and the tailings are quite different due to their bulk density, pH, CEC and other properties. It is typical to study the migration of heavy metals in tailings and their impact on the environment according to the types and properties of ores.
文章引用：卢楠. 尾矿砂重金属元素释放迁移特征[J]. 环境保护前沿, 2019, 9(3): 286-289. https://doi.org/10.12677/AEP.2019.93040

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