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A critical review on the bio-removal of hazardous heavy metals from contaminated soils: Issues, progress, eco-environmental concerns and opportunities
Wu, Gang; Kang, Hubiao; Zhang, Xiaoyang; Shao, Hongbo; Chu, Liye; Ruan, Chengjiang
2010-02-15
Source PublicationJOURNAL OF HAZARDOUS MATERIALS
Volume174Issue:3Pages:1-8
AbstractMechanism of four methods for removing hazardous heavy metal are detailed and compared-chemical/physical remediation, animal remediation, phytoremediation and microremediation with emphasis on bio-removal aspects. The latter two, namely the use of plants and microbes, are preferred because of their cost-effectiveness, environmental friendliness and fewer side effects. Also the obvious disadvantages of other alternatives are listed. In the future the application of genetic engineering or cell engineering to create an expected and ideal species would become popular and necessary. However, a concomitant and latent danger of genetic pollution is realized by a few persons. To cope with this potential harm, several suggestions are put forward including choosing self-pollinated plants, creating infertile polyploid species and carefully selecting easy-controlled microbe species. Bravely, the authors point out that current investigation of noncrop hyperaccumulators is of little significance in application. Pragmatic development in the future should be crop hyperaccumulators (newly termed as "cropaccumulators") by transgenic or symbiotic approach. Considering no effective plan has been put forward by others about concrete steps of applying a hyperaccumulator to practice, the authors bring forward a set of universal procedures, which is novel, tentative and adaptive to evaluate hyperaccumulators' feasibility before large-scale commercialization. (C) 2009 Elsevier B.V. All rights reserved.
Department城市与区域生态国家重点实验室
KeywordHeavy Metals Soil Phytoremediation Microremediation Eco-environmental Concerns Perspective
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Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/20945
Collection城市与区域生态国家重点实验室
Recommended Citation
GB/T 7714
Wu, Gang,Kang, Hubiao,Zhang, Xiaoyang,et al. A critical review on the bio-removal of hazardous heavy metals from contaminated soils: Issues, progress, eco-environmental concerns and opportunities[J]. JOURNAL OF HAZARDOUS MATERIALS,2010,174(3):1-8.
APA Wu, Gang,Kang, Hubiao,Zhang, Xiaoyang,Shao, Hongbo,Chu, Liye,&Ruan, Chengjiang.(2010).A critical review on the bio-removal of hazardous heavy metals from contaminated soils: Issues, progress, eco-environmental concerns and opportunities.JOURNAL OF HAZARDOUS MATERIALS,174(3),1-8.
MLA Wu, Gang,et al."A critical review on the bio-removal of hazardous heavy metals from contaminated soils: Issues, progress, eco-environmental concerns and opportunities".JOURNAL OF HAZARDOUS MATERIALS 174.3(2010):1-8.
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