重金属污染物在土壤中迁移规律及修复技术研究
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摘要
世界各国都认识到重金属污染的严重性。多数国家开展了污染场地的修复工作,研究和开发出多种土壤重金属污染修复技术,重金属污染土壤修复技术有物理化学修复技术、植物修复、微生物修复技术和电动修复技术。但这些土壤修复技术的成本高,只重视土壤修复,土壤修复技术更重要的部分是地下水系统的修复,不能忽视地下水系统与土壤修复的完整性,否则会造成二次环境污染。本文在分析土壤中重金属污染物迁移规律的同时提出完整的土壤修复新技术CH-PRB工艺。
Countries all over the world recognize the seriousness of heavy metal pollution. Most countries have started to remediate the contaminated sites,research and develop a variety of heavy metal contaminated soil remediation technologies. Heavy metal contaminated soil remediation technologies have physical and chemical remediation technologies,phytoremediation,microbial remediation technologies and electric repair techniques. But the cost of these remediation technologies is quite high,and only pay attention to soil remediation rather than repair of groundwater system. The remediation of groundwater and soil system is an integrity,otherwise it will cause secondary pollution. Based on the analysis of migration rules of heavy metals in soil,this study proposed a complete new technology CH- PRB process.
Countries all over the world recognize the seriousness of heavy metal pollution. Most countries have started to remediate the contaminated sites,research and develop a variety of heavy metal contaminated soil remediation technologies. Heavy metal contaminated soil remediation technologies have physical and chemical remediation technologies,phytoremediation,microbial remediation technologies and electric repair techniques. But the cost of these remediation technologies is quite high,and only pay attention to soil remediation rather than repair of groundwater system. The remediation of groundwater and soil system is an integrity,otherwise it will cause secondary pollution. Based on the analysis of migration rules of heavy metals in soil,this study proposed a complete new technology CH- PRB process.
引文
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[3]罗战祥,揭春生,毛旭东.重金属污染土壤修复技术应用[J].江西化工,2010,2(6):100-103.
[4]任加国,武倩倩.土壤中多氯联苯迁移规律及修复研究[J].安徽农业科学,2013(3).
[5]张峻,付蓉蓉.土壤重金属污染物来源及植物修复技术研究进展[J].上海农业科技,2011(10).
[6]陈丽蓉,陈小罗,等.土壤中重金属污染物铬的迁移转化及治理[J].科技创新导报,2011(11).
[7]房存金.土壤中主要重金属污染物的迁移转化及治理[J].当代化工,2010(8).