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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Li, Fangbai Luo, Chunling Song, Mengke Zhang, Gan Jiang, Longfei Zhang, Dayi Wang, Yan |
| Description | Country affiliation: China Author Affiliation: Song M ( Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China); Luo C ( Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China. Electronic address: clluo@gig.ac.cn.); Li F ( Guangdong Institute of Eco-environmental and Soil Sciences, Guangzhou 510650, China.); Jiang L ( Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China); Wang Y ( Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China.); Zhang D ( Lancaster Environment Centre, Lancaster University, Lancaster LA1 4YQ, UK.); Zhang G ( Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China.) |
| Abstract | Environmental contamination caused by electronic waste (e-waste) recycling is attracting increasing attention worldwide because of the threats posed to ecosystems and human safety. In the present study, we investigated the feasibility of in situ bioremediation of e-waste-contaminated soils. We found that, in the presence of lactate as an electron donor, higher halogenated congeners were converted to lower congeners via anaerobic halorespiration using ferrous ions in contaminated soil. The 16S rRNA gene sequences of terminal restriction fragments indicated that the three dominant strains were closely related to known dissimilatory iron-reducing bacteria (DIRB) and those able to perform dehalogenation upon respiration. The functional species performed the activities of ferrous oxidation to ferric ions and further ferrous reduction for dehalogenation. The present study links iron cycling to degradation of halogenated materials in natural e-waste-contaminated soil, and highlights the synergistic roles of soil bacteria and ferrous/ferric ion cycling in the dehalogenation of polychlorinated biphenyls (PCBs) and polybrominated biphenyl ethers (PBDEs). |
| ISSN | 00489697 |
| Volume Number | 502 |
| e-ISSN | 18791026 |
| Journal | Science of The Total Environment |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2015-01-01 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Electronic Waste Halogenated Diphenyl Ethers Analysis Polychlorinated Biphenyls Soil Microbiology Soil Pollutants Anaerobiosis Biodegradation, Environmental Environmental Monitoring Metabolism Recycling Soil Journal Article Research Support, Non-u.s. Gov't Discipline Environmental Science |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Waste Management and Disposal Pollution Environmental Engineering |
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