王琰

个人信息Personal Information

副教授

博士生导师

硕士生导师

任职 : 环境学院教工党支部宣传委员

性别:男

毕业院校:中国科学院广州地球化学研究所

学位:博士

所在单位:环境学院

学科:环境科学. 环境工程

办公地点:西部校区环境楼

联系方式:E-mail:wangyandut@dlut.edu.cn

电子邮箱:wangyandut@dlut.edu.cn

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Effects of EDDS and plant-growth-promoting bacteria on plant uptake of trace metals and PCBs from e-waste-contaminated soil

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论文类型:期刊论文

发表时间:2015-04-09

发表刊物:JOURNAL OF HAZARDOUS MATERIALS

收录刊物:SCIE、EI、PubMed、Scopus

卷号:286

页面范围:379-385

ISSN号:0304-3894

关键字:E-waste; EDDS; PGPB; PCBs; Trace metals

摘要:The present study investigated the effects of the biodegradable chelant S,S-ethylenediaminedisuccinic acid (EDDS) and the plant-growth-promoting bacterium DGS6 on pollutant uptake by corn from e-waste-contaminated soils. The highest concentration and total uptake of Cu and Zn in corn shoots were observed in the presence of EDDS and DGS6+EDDS, respectively. The Sigma PCB concentrations in shoots ranged from 0.53 to 0.72 ng g(-1), and the highest PCB concentration was observed in the presence of EDDS. This could be ascribed to the enhanced dissolved organic carbon, increased dissolution and efficient translocation of PCBs from roots to shoots, as well as potential root damage due to increased soluble metal levels in soil solution. In contrast, the highest total uptake of PCBs in shoots was observed in the presence of DGS6, likely due to enhanced shoot biomass and high levels of air deposition. (C) 2015 Elsevier B.V. All rights reserved.