Study on the Remediation of Cd-contaminated Soil  

Cd污染土壤的修复研究（英文）

作　　者：万玉山[1] 贾春霞[1] 吕浩[1] 陈艳秋[1] 黄利[1] 

机构地区：[1]常州大学环境与安全工程学院,常州江苏213164

出　　处：《Agricultural Science & Technology》2015年第10期2261-2264,共4页农业科学与技术（英文版）

基　　金：Supported by the Prospective Research Project of Industry-University-Research Cooperation in Jiangsu Province(BY2014037-21)~~

摘　　要：[Objective] The remediation effect of the plant to Cd-contaminated soil was studied. [Method] By taking simulation test and field test, the ryegrass （Lolium perenne L.） was planted, and the remediation effect of the plant to contaminated sites was studied. [Result] The ryegrass was planted in the eluotropic soil for 0-60 d, Cd content in the soil showed a rapid decreasing trend; after 60 d, the enrich- ment ability of the plant to Cd gradually weakened over time; after 75 d of phytore- mediation, the Cd content in the soil decreased greatly, and the remediation effi- ciency was 90.66%. [Conclusion] Ryegrass remediation technology had good reme- diation effect to Cd-contaminated soil.[目的]研究植物对Cd污染土壤的修复效果。[方法]采取模拟和实地试验,通过种植黑麦草,研究植物对污染场地土壤的修复效果。[结果]在洗脱后的土壤中种植黑麦草0~60 d,土壤中Cd含量呈现快速下降的趋势,60 d后植物对Cd的富集能力随种植时间增长逐渐减弱,在植物修复75 d后土壤中的Cd含量大大降低,修复效率为90.66%。[结论]黑麦草修复技术对Cd污染土壤具有较好的修复效果。

关 键 词：Contaminated soil CD PHYTOREMEDIATION 

分 类 号：X53[环境科学与工程—环境工程]