摘要
有机螯合剂的存在能促进土壤中的固相Ni向水溶态转化 ,提高Ni的生物可利用性。本文讨论了土壤中镍的存在形态以及有机螯合剂对土壤中镍形态的影响 ,并从植物吸收Ni的机制出发 ,阐述有机螯合剂对植物吸收Ni和植物生物量的影响 ,分析了植物修复的螯合诱导技术的一些局限性 。
Organic chelators can enhance soil nickel bioavailability by transforming solid-nickel to solubile nickel in soil. This paper discussed the existing fractions of nickel in natural soil, transformation of nickel fractions in soil and the effect of organic chelators on phytoextraction and biomass.Further, the limited aspects in chelation-induced phytoremediation were analysed based on the mechanism of nickel-phytoextration. Also, development and utilization of the technology of chelation-induced phytoremediation were discussed in the paper.
出处
《环境污染治理技术与设备》
CSCD
北大核心
2002年第10期1-5,共5页
Techniques and Equipment for Environmental Pollution Control
基金
国家自然科学基金资助项目 (2 0 1770 35 )
国家 863项目 (2 0 0 1 AA 640 5 0 1 0 3)
教育部留学回国人员科研基金资助
