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金属尾矿废弃地植物稳定技术研究进展 被引量:15

Progress on Phytostabilization of Tailing Wasteland from Metalliferous Mines
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摘要 尾矿库是维持矿山正常生产的必要设施,但也是矿山的重大危险源。废弃尾矿库是金属矿山最常见、最难恢复的矿业废弃地,含有大量的有毒有害物质,危及人类健康,采取经济有效的金属尾矿废弃地稳定技术已势在必行,然而传统的物理化学方法存在潜在的环境风险。植物稳定技术利用耐性植物的机械固定作用减轻风蚀和水蚀以及根系吸附和根际沉淀实现尾矿的长期稳定,降低重金属的生物有效性,是一种比较有前景的环境友好技术。文章在概述金属尾矿废弃地环境特征的基础上,对传统金属尾矿稳定技术的各种方法进行了述评,并对金属尾矿废弃地植物稳定技术国内外研究进展进行分析,提出植物稳定技术研究发展的方向。 Tailing wasteland from metalliferous mines which contains harmful toxic pollutants is tougher for ecological restoration.As a newly emerged environment-friendly technology,phytostabilization is defined as the use of metal-tolerant plant species to reduce the mobility and bioavailability of heavy metals in the substrates either by immobilization or by prevention of migration.Based on the analysis of traditional techniques,the progress on disposal of tailing wasteland was reviewed.
出处 《环境科学与技术》 CAS CSCD 北大核心 2009年第8期101-104,共4页 Environmental Science & Technology
基金 国家自然科学基金项目(40771181) 国家高技术研究发展计划项目资助(2005AA644010) 中国博士后科学基金资助项目(20080430565) 中国博士后科学基金特别项目资助(2008) 中南大学贵重仪器设备开放中心基金(ZKJ2008005)
关键词 尾矿废弃地 植物稳定 耐性植物 基质改良 植物促生菌 tailing wasteland phytostabilization tolerant species substrate amendment plant growth-promoting bacteria
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