改良材料强化紫薇修复Cu污染土壤

梁晶; 张青青; 张长波

doi:10.13205/j.hjgc.202106023

改良材料强化紫薇修复Cu污染土壤

doi: 10.13205/j.hjgc.202106023

梁晶^1,2,
张青青^1,2,
张长波^3, ,

1. 上海市园林科学规划研究院, 上海 200232;
2. 上海城市困难立地绿化工程技术研究中心, 上海 200232;
3. 上海化工研究院有限公司, 上海 200062

基金项目:

上海市建筑建材业市场管理总站资助项目（住建管2017-001-005）；上海市绿化和市容管理局科技攻关项目（G190202）

详细信息

作者简介:
梁晶(1981-),女,博士,主要从事城市土壤质量评价、废弃物循环利用与污染土壤修复。liangjing336@163.com

通讯作者:
张长波(1979-),男,硕士,主要从事土壤污染土壤评价与修复。cbzhang2007@163.com

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出版历程
- 收稿日期: 2020-03-11
- 网络出版日期: 2022-01-18

AMENDMENT MATERIALS ENHANCED LAGERSTROEMIA INDICA L. REMEDIATION TECHNOLOGY FOR Cu-POLLUTED SOIL

1. Shanghai Academy of Landscape Architecture Science and Planning, Shanghai 200232, China;
2. Shanghai Engineering Research Center of Landscaping on Challenging Urban Sites, Shanghai 200232, China;
3. Shanghai Research Institute of Chemical Industry, Shanghai 200062, China

摘要

摘要: 选用木本植物紫薇为研究对象，采用室内盆栽试验方法，研究了不同有机改良材料及螯合剂二乙胺四乙酸（EDTA）和乙二胺二琥珀酸（EDDS）添加量对植物修复Cu污染土壤的影响。结果表明：螯合剂EDTA和EDDS较有机改良材料对紫薇修复Cu污染土壤强化效果好，且EDTA添加量为5 mmol/L，或EDDS添加量为3 mmol/L时，对紫薇修复土壤Cu的强化效果较好；添加有机改良材料均对紫薇修复低Cu污染土壤有强化作用，且添加量为30%时强化效果明显，但不同有机改良材料对紫薇修复高Cu污染土壤的强化作用则存在一定差异，仅50%的绿化植物废弃物、农业有机废弃物和草炭处理具有强化效果。
- 紫薇 /
- Cu污染土壤 /
- Cu吸收率 /
- Cu去除率 /
- 叶片
Abstract: Lagerstroemia indica L., a woody plant was selected as the studied subject, and the strengthening effect of types and additive amount of amendment materials on the phytoremediation of Cu-contaminated soil were conducted with the incubation experiments. The results showed that there was a more significant enhancement effect for EDTA and EDDS than organic amendment materials, and the enhancement effect was the highest at the additive amounts of 5 mmol/L EDTA or 3 mmol/L EDDS. However, the enhancement effect was found on almost all the organic amendment materials on the lower Cu-polluted soils, and more significant at the organic amendment materials/soil volume ratio of 30%. Moreover, the strengthening effect of different amendment materials on the phytoremediation of the higher Cu-polluted soil was only found at organic amendment materials/soil volume ratio of 50% for the greenery waste, agricultural organic waste and peat.
- Lagerstroemia indica L. /
- Cu-contaminated soils /
- Cu absorption rate /
- Cu removal rate /
- leaves

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