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地质通报  2003 

硫多金属矿床开采对水环境的影响――以福建大田地区矿产开发为例

, PP. 718-724

Keywords: 硫多金属矿床酸性废水矿山整洽

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Abstract:

闽西大田地区矿床采选冶活动对水土生态环境系统造成了严重的破坏,矿区采选矿废水pH值、SO4^2-浓度远远超过水环境标准,选矿废水和接纳采选矿废水的河流水体中Fe、Mn、Cu、Pb、Zn、Cd的含量大部分超过地面5类水标准,少部分超过4类水标准,矿区采选矿业废水是地表水金属污染的重要源头。矿业废水pH值与金属Fe、Mn、Cu、Pb、Zn、Cd的含量具有明显的负相关关系,SO4^2-浓度与金属离子Fe、Mn、Cu、Pb、Zn、Cd浓度具有较一致的变化规律。提出整治硫多金属矿山环境污染,应坚持因地制宜、矿业资源开发与环境保护并重的方针,用石灰石碱性中和酸性废水,隔离覆盖尾矿矿堆,对废弃矿山植树种草进行生态修复,对效益低下的开采矿山退矿还林,对严重环境污染的矿山实行关闭,对新开矿山要进行科学规划开发。

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